Conference Publications

120. Aqi Dong and Laurentiu Nastac, Computational Multi-Scale Modeling of Segregation and Microstructure Evolution during the Solidification of A356 Ingots Processed via a 2-Zone Induction Melting Furnace, Symposium: Computational Techniques for Multi-Scale Modeling in Advanced Manufacturing: Supplemental UE: TMS 2021 Conference Proceedings, 2021 TMS Annual Meeting & Exhibition, Orlando, FL,. March 14, 18, 2021.
 
119. Md Khalid Nahian, Yuxiang Peng, Laurentiu Nastac, Ramana G. Reddy, Computational Modeling of Current Density Distribution and Secondary Resistances for Aluminum Electrorefining in Ionic Liquids, Symposium: Recycling and Sustainability for Emerging Technologies and Strategic Materials, Proceedings: Supplemental UE: TMS 2021 Conference Proceedings, 2021 TMS Annual Meeting & Exhibition, Orlando, FL,. March 14, 18, 2021.
 
118. L. Nastac, E. Schwalbach, K. Chaput, and T. Butler, Modeling of the Solidification Structure Evolution of Ti-6Al-4V Processed via Electron Beam Powder Bed Fusion, presentation published online on MCWASP XV 2020 website, Stockholm, Sweden, June 21-26, 2020.
 
117. A. Dong and L. Nastac, The Ultrasound Effects on the Formation of the Solidification Structure of A356 Processed via a 2-Zone Induction Melting Furnace, presentation published online on MCWASP XV 2020 website, Stockholm, Sweden, June 21-26, 2020.
 
116. A. Dong and L. Nastac, The Influence of Ultrasound on the Microstructure Formation during the Solidification of A356 Ingots Processed via a 2-Zone Induction Melting Furnace, Proceedings of the Symposium “Defects and Properties of Cast Metals,” Eds. L. Yuan et al., TMS 2020, Feb. 23-27, San Diego, CA, https://doi.org/10.1007/978-3-030-36296-6_104, 1117-1126.
 
115. A. Dong, L. Nastac, and R. Reddy, A 3-D numerical model to predict low temperature aluminum electrochemical process using ionic liquids as electrolytes at different boundary conditions, Proceedings of the Symposium “Electrometallurgy 2020,” Eds. A. Allanore et al., TMS 2020, Feb. 23-27, San Diego, CA, https://doi.org/10.1007/978-3-030-36296-6_104, 1249-1260.
 
114. Q. Cao and L Nastac, The influence of different turbulence models on the fluid flow characteristics in gas-stirred ladles, Proc. SteelSim2019, Toronto, Canada, August 13-15, 2019.
 
113, Tao Liu, Chris Fancher, Jeffrey Bunn, Vishweshwar Arvikar, Ilya Levin, Laurentiu Nastac, Luke Brewer, Measurement of Residual Strain in the Cylinder Bridge of High Pressure Die Cast A383 Engine Blocks Using Neutron Diffraction, Proceedings of the Shape Casting: 7th International Symposium Celebrating, Prof. John Campbell's 80th Birthday, Eds. Murat Tiryakioglu, William Griffiths, Mark Jolly, San Antonio, TX, March 10-14, 2019.
 
112. Y. Xuan, A. Dong, and L. Nastac, The Influence of Ultrasound on the Microstructure Formation during Solidification of A356 Ingots Processed via a 2-Zone Induction Melting Furnace, TMS2019, Proceedings of the “Light Metals 2019: Ultrasonic Processing of Liquid and Solidifying Alloys” Symposium,” Eds. D. Eskin, L. Nastac, and K. Pericleous, A, San Antonio, TX, March 10-14, 2019, https://link.springer.com/book/10.1007%2F978-3-030-05864-7.
 
111. L. Nastac and Y. Xuan, An Experimental and Modeling Study of Al-based Nanocomposites Fabricated by Ultrasonic Cavitation and Solidification Processing, Proceedings of 9th International Symposium on Electromagnetic Processing of Materials (EPM2018), Awaji, Hyogo, Japan, October 14-18, 2018, IOP Conf. Series: Materials Science and Engineering 424 (2018) 012038 doi:10.1088/1757-899X/424/1/012038, pp. 1-4.
 
​110. L. Nastac, 3D Stochastic Modelling of the Columnar-to-Equiaxed Transition in Alloy 718, Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives: Energy, Aerospace, and Industrial Applications, The Minerals, Metals & Materials Series, Pittsburgh, PA, June 3-8, 2018, pp.379-387, Eds. Eric Ott et al. (https://doi.org/10.1007/978-3-319-89480-5_1).
 
109. A. Pitts, and L. Nastac, Inclusion Evolution Comparison of Aluminum Killed Silicon Bearing and Silicon Restricted Grades, AISTech 2018 Proceedings, Philadelphia, PA, May 7-10, 2018, pp. 1227-1237.
 
108. Q. Cao, L. Nastac. April Baggett, and Q. Yu, A Quick Modeling Analysis Tool for Estimating the Desulfurization Efficiency in the Ladle Metallurgical Furnace, AISTech 2018 Proceedings, Philadelphia, PA, May 7-10, 2018, pp. 3029-3039.
 
107. Q. Cao and L. Nastac, An Innovative Modeling Approach for Predicting the Desulfurization Kinetics in an Argon-Stirred Ladle Furnace, TMS2018, Proceedings of the “CFD Modeling and Simulation in Materials Processing Symposium,” Eds. L. Nastac, K. Pericleous, A. S. Sabau, L. Zhang, and B. G. Thomas, Phoenix, AZ, March 11-15, 2018, pp. 141-148 (ISBN 978-3-319-72058-6).
 
106. Q. Cao and L. Nastac, CFD Modeling of Transport Phenomena and Inclusion Removal in a Gas-stirred Ladle, TMS2018, Proceedings of the “CFD Modeling and Simulation in Materials Processing Symposium,” Eds. L. Nastac, K. Pericleous, A. S. Sabau, L. Zhang, and B. G. Thomas, Phoenix, AZ, March 11-15, 2018, pp. 133-140 (ISBN 978-3-319-72058-6).
 
105. G. Poole and L. Nastac, The Influence of Coil Configuration on Fluid Flow and Solidification of Electromagnetically Stirred Aluminum Alloys, TMS2018, Proceedings of the “CFD Modeling and Simulation in Materials Processing Symposium,” Eds. L. Nastac, K. Pericleous, A. S. Sabau, L. Zhang, and B. G. Thomas, Phoenix, AZ, March 11-15, 2018, pp. 9-18 (ISBN 978-3-319-72058-6).
 
104. L. Nastac, K. Redkin, C. Hrizo, Sean M. Loney, and K. Marsden, Numerical Modeling and Experimental Verification of Macrosegregation and CET Predictions in Large Steel Roll Ingots, TMS2018, Proceedings of the “CFD Modeling and Simulation in Materials Processing Symposium,” Eds. L. Nastac, K. Pericleous, A. S. Sabau, L. Zhang, and B. G. Thomas, Phoenix, AZ, March 11-15, 2018, pp. 43-51 (ISBN 978-3-319-72058-6).
 
103. T. Liu, S. Morales, M. Karkkainen, L.N. Brewer, L. Nastac, V. Arvikar, I. Levin, The combined effects of Sr additions and heat treatment on the microstructure and mechanical properties of high pressure die cast A383 alloy, Proceedings of the “Light Metals 2018: Aluminum Alloys, Processing and Characterization,” Ed. X. Wen, TMS2018, March 11-15, 2018, pp.253-257.
 
102. Q. Cao, A. Pitts, and L. Nastac, Mathematical Modeling of the Desulfurization Process in an Argon Gas-stirred Ladle: A Parametric Study, AISTech 2017 Proceedings, Nashville, TN, May 7-11, 2017, pp. 3283-3296.
 
101. Q. Cao, L. Nastac, and A. Pitts, CFD Modeling of Slag-metal Reactions and Sulfur Evolution in a Gas-stirred Ladle Furnace, TMS2017, San Diego, Feb 25-March 2, 2017, in Applications of Process Engineering Principles in Materials Processing, Energy and Environmental Technologies, S. Wang et al. (eds.), pp. 435-443, Book ISBN: 978-3-319-51090-3, DOI 10.1007/978-3-319-51091-0.
 
100. Y. Xuan, L. Nastac, Processing and Microstructure Charactersitics of A356 Based Nanocomposites Manufactured Via Ultrasonic Cavitation Under Differnet Cooling Rate During Solidification Processing, TMS2017, San Diego, Feb 25-March 2, 2017, Supplemental Proceedings, pp. 297-303, Book ISBN 978-3-319-51492-5, DOI 10.1007/978-3-319-51493-2.
 
99. M. Kärkkäinen, T. Liu , L. Nastac, L. Brewer, V. Arvikar and I. Levin,, A Modeling and Experimental Investigation on the Formation of Acicular Silicon and Sludge in High Pressure Die Casting of a Modified A383 Alloy, TMS2017, San Diego, Feb 25-March 2, 2017, Supplemental Proceedings, pp. 457-464, Book ISBN 978-3-319-51492-5, DOI 10.1007/978-3-319-51493-2.
 
98. A. Salman and L. Nastac, Stochastic Modeling for Prediction of the Columnar to Equiaxed Transition During Solidification of Magnesium-Based Alloys, Proceedings of MS&T2016, Salt Lake City, Utah, October 2016, pp. 345-352.
 
97. L. Nastac, D. Zhang and Y. Xuan, Advanced Manufacturing of A356 Nanocomposites assisted by Ultrasonic and Electromagnetic Processing, Proceedings of the XXVIII International Mineral Processing Congress (IMPC 2016), ISBN: 978-1-926872-29-2, September 11-15, 2016, Québec City, Canadian Institute of Mining, Metallurgy and Petroleum.
 
96. L. Nastac, D. Zhang, and Y. Xuan, Advances on Fabrication of Al-based Nanocomposites Assisted by Ultrasonic and Electromagnetic Processing, Proceedings of PRICM9, Kyoto, Japan, August 1-5, 2016, pp. 1-3.
 
95. L. Nastac, D. Zhang, and Y. Xuan, Processing, Microstructure and Mechanical Properties of MMNCs Manufactured via Ultrasonic Cavitation and Electromagnetic Processing, Proceedings of Ultrasonics2016, Caparica, Lisbon, Portugal, June 6-8, 2016, pp. 91-92 (ISBN: 978-989-99361-9-5).
 
94. Q. Cao, A. Pitts, D. Zhang, L. Nastac, and R. Williams, 3D CFD Modeling of the LMF System:  Desulfurization Kinetics, Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts (MOLTEN16), Eds. R. Reddy at al., Seattle, WA, May 22-25, 2016, pp. 1009-1016 (ISBN 978-1-119-30876-8).
 
93. A. Pitts, P. Turner, J. Hallmark, B. Williams, and L. Nastac, Method for Simultaneous Sampling of Steel at Multiple Depths in the Refining Ladle, AISTech 2016 Proceedings, Pittsburgh, PA, May 16-19, 2016.
 
92. L. Nastac, M. Kärkkäinen, P. Hietanen, and S. Louhenkilpi, Multiscale Modeling of the Solidification Structure Evolution of Continuously Cast Steel Blooms and Slabs, Symposium: CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS 2016 Annual Meeting & Exhibition, Nashville, TN, Feb. 14-18, 2016, pp. 109-116 (ISBN 978-1-119-22576-8).
 
91. L. Nastac, D. Zhang, Q. Cao, A. Pitts, and R. Williams, 3D CFD Modeling of the LMF System, Symposium: CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS2016 Annual Meeting&Exhibition, Nashville, TN, Feb. 14-18, 2016, pp. 187-194 (ISBN 978-1-119-22576-8).
 
90. D. Zhang and L. Nastac,  Progress on Numerical Modeling of the Dispersion of Ceramic Nanoparticles during Ultrasonic Processing and Solidification of Al-based Nanocomposites, Symposium: CFD Modeling and Simulation in Materials Processing, Symposium: CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS 2016 Annual Meeting & Exhibition, Nashville, TN, Feb. 14-18, 2016, pp. 143-150 (ISBN 978-1-119-22576-8).
 
89. L. Nastac, D. Zhang, S. Jia, and Y. Xuan, Advances on Experimental and Numerical Modeling of Al-based Alloys and Nanocomposites Fabricated via Ultrasonic and Electromagnetic Processing, Proceedings of EPM2015, 8th International Conference on Electromagnetic Processing of Materials, Cannes, France, October 12-16, 2015.
 
88. Daojie Zhang and Laurentiu Nastac, Numerical Modeling of the Nanodispersion during Ultrasonic and Electromagnetic Stirring Processing of Al-Based Nanocomposites, Proceedings of EPM2015, 8th International Conference on Electromagnetic Processing of Materials, Cannes, France, October 12-16, 2015.
 
87. D. Zhang and L. Nastac, Numerical Study on the Dispersion of Ceramic Nanoparticles during Ultrasonic Processing and Solidification of 6061-based Nanocomposites, Proceedings of MS&T2015, Symposium: Advanced Metal Casting Technologies, Columbus, OH, October 4-8, 2015, pp. 267-273 (ISBN-13: 978-0-87339-764-3).
 
86. A. Salman and L. Nastac, Innovative Technology to Cast Thin Wall and Geometrically Complex Aluminum-Based Alloy Castings, Proceedings of MS&T2015, Symposium: Advanced Metal Casting Technologies, Columbus, OH, October 4-8, 2015, 275-281 (ISBN-13: 978-0-87339-764-3).
 
85. S. Jia, D. Zhang and L. Nastac, Experimental and Modeling Analyses of Al-Based Nanocomposites Manufactured via Molten-Metal and Solidification Processing Assisted by Ultrasonic Stirring Technology, Proceedings of ABM Week, 70th Annual Congress,  Rio de Janeiro, August 17-21, 2015.
 
84. Daojie Zhang and Laurentiu Nastac, Advanced Numerical Modeling of the Dispersion of Ceramic Nanoparticles during Ultrasonic Cavitation Processing and Solidification of 6061-based Nanocomposites, Proceedings of MCWASP2015, Awaji Yumebutai, Japan, June 21-26, 2015, pp. 1-8.
 
83. Laurentiu Nastac, An Efficient 3D Stochastic Model for Predicting the Columnar-to-Equiaxed Transition in Alloy 718, Proceedings of MCWASP2015, Awaji Yumebutai, Japan, June 21-26, 2015, pp. 1-7.
 
82. A. Pitts, B. Tate and L. Nastac, FeSi Residuals and Their Effects on Steel Cleanliness, Proceedings of AISTECH2015, Cleveland, OH, May 4-7, 2015, pp. 1-11.
 
81. M. Shamsuzzoha, L. Nastac, and J. Berry, Permanent Mold Castings of High-Strength and High Ductiliy Ba-Treated HYPO-Eutectic Al-Si Alloys,” Proceedings of the AFS Casting Congress 2015, 119th Metalcasting Congress, Columbus, OH, April 21-23, 2015, paper 15-087, pp. 1-6, Wiley, A John Wiley and Sons, Inc., Publications.
 
80. L. Nastac, S. Jia, M. N. Nastac and R. Wood, A Numerical Model for Predicting the Gas Evolution in Silica Sand (Furan Binder) Mold Castings, Advances in the Science and Engineering of Casting Solidification: An MPMD Symposium Honoring Doru Michael Stefanescu, Eds. L. Nastac et al., TMS 2015 Annual Meeting & Exhibition, Orlando, FL, March 15-19, 2015, pp. 363-370 (ISBN 978-1-119-08238-5).
 
79. S. Jia, P.G. Allison, T.W. Rushing, and L. Nastac, Ultrasonic Processing of 6061-based Nanocomposites for High Performance Applications, Advances in the Science and Engineering of Casting Solidification: An MPMD Symposium Honoring Doru Michael Stefanescu, Eds. L. Nastac et al., TMS 2015 Annual Meeting & Exhibition, Orlando, FL, March 15-19, 2015, pp. 31-36 (ISBN 978-1-119-08238-5).
 
78. D. Zhang and L. Nastac, Numerical Modeling of the Dispersion of Ceramic Nanoparticles during Ultrasonic Processing of A356-based Nanocomposites, Advances in the Science and Engineering of Casting Solidification: An MPMD Symposium Honoring Doru Michael Stefanescu, Eds. L. Nastac et al., TMS 2015 Annual Meeting & Exhibition, Orlando, FL, March 15-19, 2015, pp. 37-47 (ISBN 978-1-119-08238-5).
 
77. L. Nastac and D. Zhang, 3D Stochastic Modeling of Microstructure Evolution during the Solidification of Alloy 718, Proceedings of the "Computational Modeling of Microstructural Evolution II” Symposium, ASME Congress 2014, paper # IMECE2014-39761, pp. 1-5, Montreal, Canada, November 16-20, 2014.
 
76. D. Zhang, S. Jia, P. Allison, and L. Nastac, Numerical Modeling of the Dispersion of Ceramic Nanoparticles during Ultrasonic Processing of 6061-based Nanocomposites, Proceedings of the “Advanced Metal Casting Technologies” Symposium, MS&T2014, Eds. A. Druschitz, L. Nastac and P. Sanders, Pittsburgh, PA, October 12-16, 2014, pp.695-702 (ISBN-13: 978-0-87339-763-6).
 
75. G. Poole and L. Nastac, Flow and Temperature Field Evolution during Solidification of an Electromagnetically Stirred Melt: Influence of Magnetic Shields, Proceedings of the “Advanced Metal Casting Technologies” Symposium, MS&T2014, Eds. A. Druschitz, L. Nastac and P. Sanders Pittsburgh, PA, October 12-16, 2014, pp.659-667 (ISBN-13: 978-0-87339-763-6).
 
74. L. Nastac, Multiscale Modeling of the Solidification Structure Evolution of VAR-Processed Alloy 718 Ingots, Proceedings of the “8th International Symposium on Superalloy 718 and Derivatives” Symposium,” pp. 57-65, Eds. Eric Ott et al., Pittsburgh, PA, September 28-October 1, 2014 (ISBN 978-1-119-01680-9), Published by TMS Wiley.
 
73. L. Nastac, S. Jia, and D. Zhang, Advances on Ultrasonic Processing of Alloys and Nanocomposites, Extended abstract published in the Proceedings of the 1st International Caparica Conference on Ultrasonics based applications: from analysis to synthesis, p. 59, Caparica-Almada, Portugal, September 15-17, 2014, Eds. C. Lodeiro et al., ISBN BOOK VERSION: 978-989-98793-3-1, ISBN PDF VERSION: 978-989-98793-1-7, Published by Proteomass Scientific Society.
 
72. L. Nastac and D. Zhang, 3D Stochastic Modeling of Microstructure Evolution During the Solidification of Dendritic Alloys, Proceedings of the 2nd International Congress on 3D Materials Science 2014, Eds., D. Bernard, J. Y. Buffiere, T. Pollock, H. F. Poulsen, A. Rollet and M. Uchic, Annecy, France, pp. 1-6, June 29-July 2, 2014 (DOI:10.1002/9781118990278.ch3) (ISBN: 978-1-118-94545-2).
 
71. L. Nastac and K. Marsden, CFD Modeling of Macro-segregation and Shrinkage in Large Diameter Steel Roll Castings using an Active Heating Technology, Proceedings of the Ingot Casting, Rolling and Forging, ICRF2014, Second International conference, Milan, May 7-9, 2014, pp. 1-7.
 
70. R. Mudryy,  S. Jia, and L. Nastac, Recent Advances on the Solidification Processing of Cast Energetic Materials, Proc. of the Shape Casting: 5th International Symposium, ED. M .Tiryakioglu, ,John Campbell, and Glenn Byczynski, TMS, Sand Diego, Feb. 16-20, 2014, pp. 67-74 (ISBN 978-1-118-88818-6).
 
69. M. Shamsuzzoha, L. Nastac, and A. Haque, Development of high-strength and highly ductile hypo-eutectic Al-Si alloys by nano-refining the constituent phases, Proc. of the Symposium Light Metals 2014: Aluminum Alloys: Development, Characterization and Applications, Ed. J. Grandfield, TMS, Sand Diego, Feb. 16-20, 2014, pp. 365-367 (ISBN 978-1-11888-908-4).
 
68. A. Patel and L. Nastac, Mathematical Modeling of Microshinkage Formation during Solidification of A356 Alloy Castings, Light Metals for Transportation Symposium, Ed. Mihaiela Isac, Proc. of the MS&T 2013 Conference, Montreal, QC, Canada, October 27-31, 2013, pp. 1086-1093 (ISBN 978-0-87339-762-9).
 
67. L. Nastac, C. Hrizo, and R. Schleiden, Numerical Modeling of Centrifugally Cast HSS Rolls, Advanced Metal Casting Technologies Symposium, Eds.  Al. Druschitz, L. Nastac and P. Sanders, Proc. of the MS&T 2013 Conference, Montreal, QC, Canada, October 27-31, 2013, pp. 877-884 (ISBN 978-0-87339-762-9).  
 
66. L. Nastac, X. Liu and S. Jia, Advances on Ultrasonic Cavitation-Assisted Molten Metal Processing of Metal-Matrix-Nano-Composites, Proc. of the 21st Intern. Conference on COMPOSITES/NANO ENGINEERING (ICCE - 21), Ed. D. Hui, Tenerife, Spain, July 21-27, 2013 (2 2-column pages) (www.icce-nano.org).
 
65. R. Mudryy and L. Nastac, Solidification Processing of Cast Energetic Materials, Proc. of the Symposium: Solidification, Deformation and Related Processing, The 8th Pacific Rim International Conference on Advanced Materials and Processing, TMS, Hawaii, August 4-9, 2013, pp. 2643-2650 (ISBN 978-0-470-94309-0).
 
64. L. Nastac, Numerical Multiscale Modeling of Fluid Flow Characteristics of Ultrasonically Processed A356 Alloys, Proc. of the Symposium: Solidification, Deformation and Related Processing, The 8th Pacific Rim International Conference on Advanced Materials and Processing, TMS, Hawaii, August 4-9, 2013, pp. 2557-2562, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-0-470-94309-0).
 
63. X. Liu, S. Jia and L. Nastac, “Ultrasonic Processing of A356-Nanocomposite Castings,” Proceedings of the AFS Casting Congress 2013, 117th Metalcasting Congress, St. Louis, Ms. April 6-9, 2013, paper 13-1382, pp. 1-6, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-0-87433-403-6).
 
62. S. Jia, X. Liu, and L. Nastac, “Ultrasonic Stirring Effects on the Microstructure of A356 Castings,” Proceedings of the AFS Casting Congress 2013, 117th Metalcasting Congress, St. Louis, Ms. April 6-9, 2013, paper 13-1383, pp. 1-7 (ISBN 978-0-87433-403-6).
 
61. A. Patel and L. Nastac, An Innovative Quantitative Model for Prediction of Micro-Shrinkage in Cast Alloys, Proceedings of the AFS Casting Congress 2013, 117th Metalcasting Congress, St. Louis, Ms. April 6-9, 2013, paper 13-1385, pp. 1-5 (ISBN 978-0-87433-403-6).
 
60. L. Nastac and N. El-Kaddah, Computational Multi-scale Modeling of the Microstructure and Segregation of Cast Mg alloy at Low superheat, TMS2013, San Antonio, Tx, March 3-7, 2013, Magnesium Technology 2013, Eds. N. Hort, S. N. Mathaudhu, N. R. Neelameggham, and M. Alderman, pp. 265-270, 2013, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-11860-552-3).
 
59. R. Mudryy and L. Nastac, Computational Multi-Phase Modeling of Cast Energetic Materials, Proc, of the “ Modeling of multi-scale Phenomena in Materials Processing – III,” Editors:  A. Sabau, L. Nastac and A. Rollett,  TMS2013, San Antonio, Tx, March 3-7, 2013, EPD Congress 2013,TMS, pp. 31-38, 2013, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-11860-574-5, ISSN Number 1079-7580).
 
58. L. Nastac and K. Marsden, CFD Modelling of Macro-Segregation and Shrinkage in Large Diameter Steel Roll Castings: A comparison of SEN and DLP Techniques , Ninth International Conference on CFD in the Minerals and Process Industries CSIRO, Melbourne, Australia, December 10-12, 2012, pp. 1-6 (ISBN 978-1-922173-01-0)
 
57. R. Mudryy and L. Nastac, Numerical Modeling and Simulation Analysis of Casting of Energetic Material in a Projectile Controlled by the ACH Solidification and Mechanical Vibration Technologies, AICHE2012, October 28-November 2, Pittsburgh, PA, 2012 (10 pages).
 
56. L. Nastac, Numerical Modeling of Magnetohydrodynamics and Solidification Phenomena in PAM Processed Ti-6Al-4V Ingots, Proc. of the 7th Electromagnetic Processing of Materials 2012 (EPM2012) Conference, Beijing, China, October 22-26, 2012, paper #60, p. 1-4.
 
55. R. Haghayeghi and L. Nastac, An investigation on grain refinement of Al alloys through liquid shearing, Proc. of the MS&T 2012 Conference, Pittsburgh, PA, October 7-11, 2012, pp. 73-79 (ISBN-13: 978-0-87339-761-2).
 
54. X. Liu, S. Jia and L. Nastac, “On Ultrasonic Cavitation-assisted Molten Metal Processing of A356-Nanocomposites,” Proc. of the MS&T 2012 Conference, Pittsburgh, PA, October 7-11, 2012, pp. 120-127 (ISBN-13: 978-0-87339-761-2).
 
53. S. Jia, X. Liu, and L. Nastac, Ultrasonic Stirring Effects on the Microstructure of A356 Alloys, Proceedings of the Advanced Casting Technologies Symposium, MS&T 2012, Pittsburgh, PA, October 7-11, 2012, pp. 112-119 (ISBN-13: 978-0-87339-761-2).
 
52. A. Patel and L. Nastac, An Innovative Quantitative Model for Prediction of Micro-Shrinkage in Solidifying Alloys, Proceedings of the Advanced Casting Technologies Symposium, MS&T 2012, Pittsburgh, PA, October 7-11, 2012, pp. 38-44 (ISBN-13: 978-0-87339-761-2).
 
51. L. Nastac, Multiscale modeling of the solidification microstructure evolution with ultrasonic stirring, Proc. of MCWASP2012, Schladming, Austria, June 17-22, 2012, pp. 1-8, (http://www.mcwasp2012.at.hm/ ).(ISSN 1757-8981)
 
50. L. Nastac and N. El-Kaddah, Stochastic mesoscopic modeling of the globular grain structure and solute redistribution in cast alloys at low superheat, Proc. of MCWASP2012, Schladming, Austria, June 17-22, 2012, pp. 1-8 (http://www.mcwasp2012.at.hm/ ).(ISSN 1757-8981)
 
49. L. Nastac and K. Marsden, CFD Modeling of Macro-Segregation and Shrinkage in Large Diameter Steel Roll Castings:  Chill Study, Proceedings of ICRF2102, Aachen Germany, EUROGRESS, June 3-7, 2012, pp. 1-10 (www.ICRF2012.com).
 
48. M. Shamsuzzoha, L. Nastac and J. Berry, Nano-Refinement of Eutectic and Primary Silicon Fibers in  Al-Si Alloys for High Strength Structural Applications, AFS2012 Conference Proc., 116th Metalcasting Congress, Columbus, OH, April 16-20, 2012, paper 12-101, pp. 1-8 (ISBN 978-0-87433-391-6).
 
47. L. Nastac and Nagy El-Kaddah, Microstructure Evolution of Cast Mg AZ31B Alloy at Low Superheat, AFS2012 Conference Proc., 116th Metalcasting Congress, Columbus, OH, April 16-20, 2012, paper 12-073, pp. 1-10 (ISBN 978-0-87433-391-6).
 
46. L. Nastac, Numerical Simulation of Macro-Shrinkage and Micro-shrinkage in A356 Sand Mold Castings, CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS2012 annual Meeting, Orlando, FL, March 11-15, 2012, p. 205-212, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-118-29615-8).
 
45. L .Nastac, Key Note: A Multiscale Transient Modeling Approach for Predicting the Solidification Structure in VAR-Processed Alloy 718 Ingots, CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS2012 annual Meeting, Orlando, FL, March 11-15, 2012, p. 99-106, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-118-29615-8).
 
44. L. Nastac, Solute Redistribution, Liquid/Solid Interface Instability, and Initial Transient Regions during the Unidirectional Solidification of Ti-6-4 and Ti-17 Alloys, CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS2012 annual Meeting, Orlando, FL, March 11-15, 2012, pp. 123-130, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-118-29615-8).
 
43. L. Nastac, Invited: Multiscale Modeling of Ingot Solidification Structure Controlled by Electromagnetic and Ultrasonic Stirring Technologies, CFD Modeling and Simulation in Materials Processing, Eds. L. Nastac et al., TMS2012 annual Meeting, Orlando, FL, March 11-15, 2012, 261-268, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-1-118-29615-8).
 
42. Laurentiu Nastac, Analytical Modeling of Solute Redistribution during Unidirectional Solidification of Alloy 718, LMPC2011, Nancy, France, September 25-28, 2011, pp. 1-8, (http://sf2m.asso.fr/LMPC2011/LMPC2011.htm ).
 
41. Laurentiu Nastac and Kevin Marsden, CFD Modeling of Macro-Segregation and Shrinkage in Large Diameter Steel Roll Castings, Proceedings of the SteelSim2011 (METEC2011), 4th International conference on modeling and simulation of Metallurgical Processes in Steelmaking, Dusseldorf, Germany, June 27-July 1, 2011, pp. 1-11 (http://www.steelsim2011.com/).
 
40. Laurentiu Nastac and John Romanelli, Advanced Casting Mold Design Technology of the LCS WaterJet Inlet Tunnel entry Edge Components, Shape Casting IV Symposium, Eds. M. Tiryakiaglu, J. Campbell and P. N. Crepeau, Wiley, A John Wiley & Sons, Inc., Publication, TMS2011, San Diego, CA, Feb. 27- March 3, 2011, pp. 249-256 (ISBN: 978-1-118-02937-4).
 
39. Laurentiu Nastac and John Romanelli, Advanced Casting Mold Design Technology of the LCS WaterJet Inlet Tunnel Entry Edge Components Assisted by fluid flow, Solidification and Stress Modeling, Proc. of the DMC Conference, Las Vegas, December 2010, pp. 1-10.
 
38. Laurentiu Nastac and John Romanelli, Advanced Casting Mold Design Technology of the LCS WaterJet Inlet Tunnel Entry Edge Components Assisted by fluid flow, Solidification and Stress Modeling, Proc. of the SNAME Conference, Seattle, November 2010, pp. 1-8.
 
37. L. Nastac, Multi-Scale Modeling of Solidification Phenomena in Metal Castings, Proc. of the Ansys2010 Conference, Washington DC, August 2010, pp. 1-12.
 
36. L. Nastac et al., Microgrid Model Development and Validation Testing, Proceedings of the IEEE-NAPS2009, Starkville, MS, Sept. 30-Oct.2, 2009, pp. 1-12.
 
35. L. Nastac, A. D. Patel and G. E. Maurer, Modeling of Macro-Segregation in a Permanent Mold Casting, Proceedings of International Symposium on Liquid Metal Processing and Casting, Santa Fe NM, September 20-23, 2009, pp. 337-344 (ISBN: 978-0-87339-743-8).
 
34. L. Nastac, Ultrasonic Technology Model Development and Applications to Casting Processes, "Modelling of Casting, Welding, and Advanced Solidification Processes XII", Vancouver, BC, June 2009 (ISBN: 978-0-87339-742-1).
 
33. L. Nastac and Y. Dai, Ultrasonic Model Development and Applications to Ingot Casting Processes Proc. of the Ansys Conference, Pittsburgh, PA, October 2008, pp. 1-11.
 
32. L. Nastac, P. Wang, and O. Nayak, Advanced Fault Analysis Software System (or AFAS) for Distribution Power Systems, NAPS2007 conference, Proceedings of the North American Power Symposium 2007, Las Cruces, NM, September 30- October 2, 2007.
 
31. L. Nastac, A. Thatte, P. Wang, R. Lascu, D. Costyk, T. Abdelazim, and S. Kuloor, Methodology and Implementation Strategy for Predicting the Location of Permanent Faults in Distribution Power Systems, Proceedings of IASTED2007, January 3-5, 2007.
 
30. L. Nastac and A. Thatte, A Heuristic Approach for Predicting Fault Locations in Distribution Power Systems, Proceedings of IEEE-NAPS2006, September 17-19, 2006.
 
29. L. Nastac, P. Wang, S. Kuloor, O. Nayak, R. Dougal, and S. Leeb, Integrated Power System Onboard Platform for the IFTP-DD(X) Warship, ASNE Day 2006, Arlington, VA, June 19-21, 2006.
 
28. L. Nastac and F. R. Dax, Mathematical Modeling of Titanium Ingot Solidification Process, Welding and Advanced Solidification Processes-XI (Conference held in Opio, France, May 28-June 2, 2006), Edited by C. Gandin and M. Bellet, TMS 2006, pp. 993-1000.
 
27. L. Nastac and A. Patel, Modeling of Solidification Structure in VAR-Processed Alloy 718 Ingots, Welding and Advanced Solidification Processes-XI (Conference held in Opio, France, May 28-June 2, 2006), Edited by C. Gandin and M. Bellet, TMS 2006, pp. 961-968
 
26. L. Nastac, S. Kuloor, O. Nayak, and P. Wang, A Methodology for Power Management in the IFTP-DD(X) system Warship, Proceedings of the Shiptech2006 Conference, Panama City, FL, January 23-25, 2006.
 
25. L. Nastac, P. Wang, R. Lascu, D. Costyk, M. Dilek, R. Broadwater, M. Prica, and S. Kuloor, Assessment of Modeling and Simulation Tools for Distribution Power Systems, Proceedings of the IASTED Conference, CA, October 24-26, 2005, pp. 193-199.
 
24. L. Nastac, P. Wang, , R. Lascu, M. Prica, M. Dilek, and S. Kuloor, Fault Analysis using Modeling and Simulation for Distribution Power Systems, Proceedings of the IEEE 37th NAPS Conference, IA, October 23-25, 2005, pp. 225-232.
 
23. L. Nastac, F. Spadafora, and E. M. Crist, CFD Modeling and Simulation Applications for PAM-Assisted Casting of Ti-6Al-4V Ingots and Slabs, in TMS Proceedings “Multiphase Phenomena and CFD Modeling and Simulation in Materials Processes”, Eds. L. Nastac and B. Li, TMS Annual Meeting, Charlotte, NC (March 2004), pp. 301-315, TMS 2004, Wiley, A John Wiley and Sons, Inc., Publications (ISBN 978-0-87339-570-0).
 
22. L. Nastac, F. Spadafora, O. Yu, C. Wang, Y. Pang, and D. Winterscheidt, Magnetohydrodynamics in PAM Processed Ti-6Al-4V Ingots, "Modelling of Casting, Welding, and Advanced Solidification Processes X", United Engineering Foundation, San Destin, Florida (May 2003)
 
21. L. Nastac, F. R. Dax, and W. Hanusiak, Methodology for Modeling of the EB-PVD Coating Process, "2nd International Conference on Thermal Process Modelling and Computer Simulation", Nancy, France (March 2003)
 
20. L. Nastac, Solidification Structure Modeling in Ingots Processed Through Primary and Secondary Remelt Operations, to be published in the International Journal of Cast Metals Research (The CDC England), Proceedings of the International Conference on Modeling of Casting and Solidification Processes (MCSP-5), Nagoya, Japan (January 2002)
 
19. L. Nastac, C. Wang, H. Dong, and Y. Pang, Solidification Structure in Ti-5Al-2Sn-2Zr-4Mo-4Cr Ingots Processed by Plasma Arc Cold Hearth Melting, International Symposium on Liquid Metals Processing and Casting, Vacuum Metallurgy Conference, Santa Fe, NM (September 2001)
 
18. C. Wang, H. Dong, L. Nastac, and Y. Pang, Titanium Vaporization and Dust Formation in a Plasma Arc Cold Hearth Melting Furnace, International Symposium on Liquid Metals Processing and Casting, Vacuum Metallurgy Conference, Santa Fe, NM (September 2001)
 
17. L. Nastac, J. J. Valencia, M. L. Tims, and F. R. Dax, Advances in Solidification of IN718 and RS5 Alloys, Proceedings of the Fifth International Special Emphasis Symposium on Superalloy 718, 625, 706, and Derivatives, ed. E. A. Loria (June 2001)
 
16. L. Nastac, A Stochastic Approach for Simulation of Solidification Morphologies and Segregation Patterns in Cast Alloys, Modelling of Casting, Welding and Advanced Solidification Processes IX, United Engineering Foundation, Aachen, Germany (August 2000)
 
15. L. Nastac, J. J. Valencia, J. Xu, and H. Dong, A Computer Model for Simulation of Multi-Scale Phenomena in the Centrifugal Casting of Metal-Matrix-Composites, TMS, Symposium on Materials Processing in the Computer Age III, Nashville, TN (March 2000)
 
14 L. Nastac, Keynote Lecture:  A New Stochastic Approach for Simulation of Solidification Morphologies and of Segregation Patterns in Cast Dendritic Alloys, International Conference on Modeling of Casting and Solidification Processes (MCSP-4), Yonsei University, Seoul, Korea (September 1999)
 
13. L. Nastac, J.-S. Chou, and Y. Pang, Assessment of Solidification-Kinetics Parameters for Titanium-Base Alloys, Bunshah Best Paper Award, in the Proceedings of the International Symposium on Liquid Metals Processing and Casting, Vacuum Metallurgy Conference, pp. 207-233 (February 1999)
 
12. S. Sundarraj, L. Nastac, Y. Pang, and K. O. Yu, Modeling of Macrosegregation During Solidification of Ti-6-4 and Ti-17 PAM Ingots, Proceedings of the Modelling of Casting, Welding and Advanced Solidification Processes VIII, The Minerals, Metals & Materials Society (June 1998)
 
11. H. Hao, X. Huang, L. Nastac, S. Sundarraj, and A. Simkovich, Modeling of Centrifugally-Cast TiC/Bronze Metal Matrix Composites, Proceedings of the Modelling of Casting, Welding and Advanced Solidification Processes VIII, The Minerals, Metals & Materials Society (June 1998)
 
10. S. Sundarraj, L. Nastac, Y. Pang, and K. O. Yu, Modeling of Macrosegregation During Solidification of Ti-6-4 and Ti-17 PAM Ingots, Proceedings of the Modelling of Casting, Welding and Advanced Solidification Processes VIII, The Minerals, Metals & Materials Society, pp. 297-304 (1998)
 
9. L. Nastac, S. Sundarraj, and Kuang-O Yu, Stochastic Modeling of Solidification Structure in Alloy 718 Remelt Ingots, Proceedings of the Fourth International Special Emphasis Symposium on Superalloy 718, 625, 706, and Derivatives, ed. E. A. Loria, pp. 55-66 (June 1997)
 
8. L. Nastac and D. M. Stefanescu, Modeling of the Stable to Metastable Structural Transition in Gray Cast Iron, Proceedings of the Fifth International Symposium on Physical Metallurgy of Cast Iron, Nancy, France (1995), eds. G. Lesoult and J. Lacaze, SCITEC Publishing, Switzerland, pp. 469-478 (June 1997)
 
7. L. Nastac, S. Sundarraj, Kuang-O Yu, and Y. Pang, Stochastic Modeling of Grain Structure Formation During Solidification of Superalloy and Ti Alloy Remelt Ingots, Proceedings of the International Symposium on Liquid Metals Processing and Casting, Vacuum Metallurgy Conference, pp. 145-165 (February 1997)
 
6. H. Domanus, B. Smith, L. Chuzhoy, and L. Nastac, Computer Simulation using CaPS of an Aluminum Plate Casting, Modeling of Casting, Welding and Advanced Solidification Processes VII, edited by M. Cross and J. Campbell, The Minerals, Metals & Materials Society, pp. 947-954 (1995)
 
5. L. Nastac, D. M. Stefanescu, and L. Chuzhoy, An Analytical Model for Microsegregation in Open and Expanding Domains, Modeling of Casting, Welding and Advanced Solidification Processes VII, edited by M. Cross and J. Campbell, The Minerals, Metals & Materials Society, pp. 533-540 (1995)
 
4. L. Nastac and D. M. Stefanescu, Modeling of the Stable to Metastable Structural Transition in Gray Cast Iron, Proceedings of the Fifth International Symposium on Physical Metallurgy of Cast Iron, Nancy (France) (October 1994)
 
3. L. Nastac and D. M. Stefanescu, Modeling of Growth of Equiaxed Dendritic Grains at the Limit of Morphological Stability, Modeling of Casting, Welding and Advanced Solidification Processes VI, The Minerals, Metals & Materials Society, pp. 209-217 (1993)
 
2. L. Nastac, S. Chang, D. M. Stefanescu, and L. Hadgi, A Model for Microsegregation in Multicomponent Systems Solidifying with Equiaxed Morphology, Microstructural Design by Solidification Processing, TMS, pp. 57-75 (1992)
 
1. L. Nastac and D. M. Stefanescu, Assessment of Various Methods for Coupling Heat Transfer and Solidification Kinetics Codes, Micro/Macro Scale Phenomena in Solidification, HTD-Vol. 218/AMD- Vol. 139, ASME, pp. 27-34 (1992)