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Heat and Fluid Flow

 

1.     T. Mukherjee, J. S. Zuback, A. De and T. DebRoy. Heat and fluid flow modeling to examine 3D printability of alloys. 7th International Symposium on High-Temperature Metallurgical Processing, 2016, pp. 469-478. John Wiley & Sons, Inc. (pdf)

2.     V. Manvatkar, A. De, and T. DebRoy, Heat transfer and material flow during laser assisted multi-layer additive manufacturing, Journal of Applied Physics, 2014, vol. 116, issue: 12, article number 124905. (pdf)

3.     A. Raghavan, H. L. Wei, T. A. Palmer, and T. DebRoy, Heat transfer and fluid flow in additive manufacturing, Journal of Laser Applications, 2013, 25(5), paper # 052006. (pdf)

4.     A. Arora, M. Mehta, A. De, and T. DebRoy, Load bearing capacity of tool pin during friction stir welding, International Journal of Advanced Manufacturing Technology, 2012, vol. 61, pp. 911-920.(pdf)

5.     M. Mehta, A. Arora, A. De and T. DebRoy, Tool Geometry for Friction Stir Welding - Optimum Shoulder Diameter, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 2011, vol. 42A(9), pp. 2716-2722.(pdf)

6.     A. Arora, T. DebRoy and H. K. D. H. Bhadeshia, Back-of-the-envelope calculations in friction stir welding - velocities, peak temperature, torque, and hardness, Acta Materialia, 2011, vol. 59(5), pp. 2020-2028.(pdf)

7.     T. D. Anderson, J. N. DuPont and T. DebRoy, Origin of stray grain formation in single-crystal superalloy weld pools from heat transfer and fluid flow modeling, Acta Materialia, 2010, vol. 58(4), pp. 1441-1454.(pdf)

8.     R. Rai, T.A. Palmer, J.W. Elmer and T. DebRoy, Heat transfer and fluid flow during electron beam welding of 304l stainless steel alloy, Welding Journal, 2009, vol. 88(3), pp. 54s-61s.(pdf)

9.     R. Rai, P. Burgardt, J. O. Milewski, T. J. Lienert and T. DebRoy, Heat transfer and fluid flow during electron beam welding of 21Cr-6Ni-9Mn Steel and Ti-6Al-4V Alloy, Journal of Physics D - Applied Physics, 2009, vol. 42, article # 025503. (pdf)

10. S. Bag, A. De and T. DebRoy, A genetic algorithm-assisted inverse convective heat transfer model for tailoring weld geometry, Materials and Manufacturing Processes, 2009, vol. 24 (3), pp. 384-397.(pdf)

11. Arora, G. G. Roy, and T. DebRoy, Unusual wavy weld pool boundary from dimensional analysis, Scripta Materialia, 2009, vol. 60, pp. 68-71.(pdf)

12. R. Nandan, T. DebRoy and H. K. D. H. Bhadeshia, Recent advances in friction-stir welding - process, weldment structure and properties, Progress in Materials Science, 2008, vol. 53, pp. 980-1023.(pdf)

13. S. Mishra, T. J. Lienert, M. Q. Johnson and T. DebRoy, An experimental and theoretical study of gas tungsten arc welding of stainless steel plates with different sulfur concentrations, Acta Materialia, 2008, vol. 56(9), pp. 2133-2146.(pdf)

14. R. Rai, S. M. Kelly, R. P. Martukanitz and T. DebRoy, A convective heat-transfer model for partial and full penetration keyhole mode laser welding of a structural steel, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 2008, vol. 39A(1), pp. 98-112. (pdf)

15. B. Ribic, R. Rai and T. DebRoy, Numerical simulation of heat transfer and fluid flow in GTA/laser hybrid welding, Science and Technology of Welding and Joining, 2008, vol. 13(8), pp. 683-693. (pdf)

16. R. Nandan, B. Prabu, A. De, and T. DebRoy, Improving reliability of heat transfer and materials flow calculations during friction stir welding of dissimilar aluminum alloys, Welding Journal, 2007, vol. 86, pp. 313S-322S.(pdf)

17. R. Rai, J. W. Elmer, T. A. Palmer and T. DebRoy, Heat transfer and fluid flow during keyhole mode laser welding of tantalum, ti-6al-4v, 304l stainless steel and vanadium, Journal of Physics D - Applied Physics, 2007, vol. 40, pp. 5753-5766. (pdf)

18. A. Kumar and T. DebRoy, Heat transfer and fluid flow during gas-metal-arc fillet welding for various joint configurations and welding positions, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 2007, vol. 38A, pp. 506-519.(pdf)

19. R. Nandan, G. G. Roy, T. J. Lienert and T. DebRoy, Three-dimensional heat and material flow during friction stir welding of mild steel, Acta Materialia, 2007, vol. 55, pp. 883-895. (pdf)

20. R. Rai and T. DebRoy, Tailoring weld geometry during keyhole mode laser welding using a genetic algorithm and a heat transfer model, Journal of Physics, D: Applied Physics, 2006, vol. 39(6), pp. 1257-1266.(pdf)

21. R. Nandan, G. G. Roy, and T. DebRoy, Numerical simulation of three-dimensional heat transfer and plastic flow during friction stir welding, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 2006, vol. 37A, pp. 1247-1259. (pdf)

22. X. He, J. T. Norris, P. W. Fuerschbach, and T. DebRoy, Liquid metal expulsion during laser spot welding of 304 stainless steel, Journal of Physics D-Applied Physics, 2006, vol. 39(3), pp. 525-534.(pdf)

23. A. De and T. DebRoy, Improving reliability of heat and fluid flow calculation during conduction mode laser spot welding by multivariable optimization, Science and Technology of Welding and Joining, 2006, vol. 11(2), pp. 143-153.(pdf)

24. A. De and T. DebRoy, Reliable calculations of heat and fluid flow during conduction mode laser welding through optimization of uncertain parameters, Welding Journal, 2005, vol. 84(7) , pp. 101s to 112s. (pdf)

25. A. Kumar and T. DebRoy, Improving reliability of modeling heat and fluid flow in complex gas-metal-arc fillet welds Part II: Application to welding of steel, Journal of Physics D - Applied Physics, 2005, vol. 38, pp. 127-134.(pdf)

26. A. Kumar, W. Zhang and T. DebRoy, Improving reliability of modeling heat and fluid flow in complex gas-metal-arc fillet welds Part I: An engineering physics model, Journal of Physics D - Applied Physics, 2005, vol. 38, pp. 119-126.(pdf)

27. X. He, T. DebRoy, and P. W. Fuerschbach, Composition change of stainless steel during microjoining with short laser pulse, Journal of Applied Physics, 2004, vol. 96(8), pp. 4547-4555.(pdf)

28. W. Zhang, C. H. Kim, and T. DebRoy, Heat and fluid flow in complex joints during gas metal arc welding - part II: Application to fillet welding of mild steel, Journal of Applied Physics, 2004, vol. 95, pp. 5220-5229. (pdf)

29. W. Zhang, C. H. Kim, and T. DebRoy, Heat and fluid flow in complex joints during gas metal arc welding - part I: Numerical model of fillet welding, Journal of Applied Physics, 2004, vol. 95, pp. 5210-5219. (pdf)

30. A. Kumar and T. DebRoy, Guaranteed fillet weld geometry from heat transfer model and multivariable optimization, International Journal of Heat and Mass Transfer, 2004, vol. 47(26), pp. 5793-5806.(pdf)

31. X. He, P. W. Fuerschbach, and T. DebRoy, Heat transfer and fluid flow during laser spot welding of 304 stainless steel, Journal of Physics D - Applied Physics, 2003, vol. 36, pp. 1388-1398. (pdf)

32. W. Zhang, G. G. Roy, J. W. Elmer, and T. DebRoy, Modeling of heat transfer and fluid flow during gas tungsten arc spot welding of low carbon steel, Journal of Applied Physics, 2003, vol. 93(5), pp. 3022-3033. (pdf)

33. A. Robert and T. DebRoy, Geometry of laser spot welds from dimensionless numbers, Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science, 2001, vol. 32, pp. 941-947.(pdf)

34. K. Mundra, T. DebRoy, and K. M. Kelkar, Numerical prediction of fluid flow and heat transfer in welding with a moving heat source, Numerical Heat Transfer Part A - Applications, 1996, vol. 29, pp. 115-129. (pdf)

35. K. Mundra, T. DebRoy, T. Zacharia, and S. A. David, Role of thermophysical properties in weld pool modeling, Welding Journal, 1992, vol. 71(9), pp. 313s-320s.(pdf)

36. K. Tankala and T. DebRoy, Modeling of the role of atomic-hydrogen in heat-transfer during hot filament assisted deposition of diamond, Journal of Applied Physics, 1992, vol. 72, pp. 712-718.(pdf)

37. T. DebRoy, S. Basu, and K. Mundra, Probing laser-induced metal vaporization by gas-dynamics and liquid pool transport phenomena, Journal of Applied Physics, 1991, vol. 70(3), pp. 1313-1319.(pdf)

38. T. DebRoy and J. A. Sychterz, Numerical calculation of fluid-flow in a continuous-casting tundish, Metallurgical Transactions B - Process Metallurgy, 1985, vol. 16, pp. 497-504.(pdf)

39. T. DebRoy and A. K. Majumdar, Predicting fluid-flow in gas-stirred systems, Journal of Metals, 1981, vol. 33(11), pp. 42-47.(pdf)