Books/Handbooks published
Poster/Paper presentations/publications in Conferences
2017
- Author of the Book: N. Kumar, W. Yuan, R.S. Mishra, Friction Stir Welding of Dissimilar Alloys and Materials, March 2015, Butterworth-Heinemann – an imprint of Elsevier.
- Author of the Text-book: R. S. Mishra, P. S. De, and N. Kumar, Friction stir welding and processing: Science and Engineering (http://dx.doi.org/10.1007/978-3-319-07043-8)
- Author of the Book: N. Kumar, R. S. Mishra, and J. A. Baumann. Residual stresses in friction stir welding, published by Butterworth-Heinemann – an imprint of Elsevier (Dec 2013).
- Author of the Handbook Chapter: P. S. De, N. Kumar, J. Q. Su, and R. S. Mishra. Fundamentals of Friction Stir Welding, ASM Handbook 6A Welding Fundamentals and Processes (2011).
- N. Kumar, M. Fusco, M. Komarasamy, R. Mishra, M. Bourham, and K. Murty, Understanding effect of 3.5 wt.% NaCl on the corrosion of Al0.1CoCrFeNi high-entropy alloy, Journal of Nuclear Materials, 495 (2017) 154-163 (https://doi.org/10.1016/j.jnucmat.2017.08.015).
- N. Martinez, N. Kumar, R. S. Mishra, and K. J. Doherty. Microstructural variation due to heat gradient of a thick friction stir welded aluminum 7449 Alloy, Journal of Alloys and Compounds, 713 (2017) 51 – 63 (https://doi.org/10.1016/j.jallcom.2017.04.147).
- N. Martinez, N. Kumar, R. S. Mishra, and K. J. Doherty. Effect of tool dimensions and parameters on the microstructure of friction stir welded aluminum 7449 alloy of various thicknesses, Materials Science and Engineering A 684 (2017) 470-479 (https://doi.org/10.1016/j.msea.2016.12.077).
- K. Alagarsamy, A. Fortier, M. Komarasamy, N. Kumar, A. Mohammad, S. Banerjee, H-C. Han, R. S. Mishra, Mechanical properties of high entropy alloy Al0.1CoCrFeNi for peripheral vascular stent application, Cardiovascular Engineering and Technology 7 (2016) 448 – 454 (https://doi.org/10.1007/s13239-016-0286-6).
- K. Alagarsamy, A. Fortier, N. Kumar, A. Mohammad, S. Banerjee, H-C. Han, R. S. Mishra, Computational modeling of stent implant procedure and comparison of different stent materials, Journal of Biomedical Engineering and Research, 1 (2016) 1 – 10.
- N. Kumar, R.S. Mishra, N. B. Dahotre, R.E. Brennan, K. Cho, Effect of friction stir processing on microstructure and mechanical properties of laser-processed Mg-4Y-3Nd alloy, Materials and Design 110 (2016) 663-675 (DOI: http://dx.doi.org/10.1016/j.matdes.2016.08.039).
- C. Lipscomb, A. Fortier, F. Kong, S. Das, N. Kumar, R. Mishra, Evaluation of plastic zone development in WE43 magnesium alloy upon friction stir processing using finite element modeling, Materials Science and Engineering A 673 (2016) 178-184 (DOI: http://dx.doi.org/10.1016/j.msea.2016.07.051).
- M. Komarasamy, N. Kumar, R. S. Mishra, P. K. Liaw, Anomalies in the deformation mechanism and kinetics of coarse-grained high entropy alloy, Materials Science and Engineering A 654 (2016) 256-263 (DOI: http://dx.doi.org/10.1016/j.msea.2015.12.063).
- N. Kumar, Q. Ying, X. Nie, R.S. Mishra, P. K. Liaw, R. E. Brennan, K. J. Doherty, K. C. Cho, High strain rate compressive plastic deformation behavior of high entropy Al0.1FeCrCoNi alloy, Materials & Design 86 (2015) 598-602 (DOI: 10.1016/j.matdes.2015.07.161).
- S.A. Mantri, D. Choudhuri, A. Behera, J. D. Cotton, N. Kumar, and R. Banerjee, Influence of fine scale alpha precipitation on the mechanical properties of the beta titanium alloy Beta-21S, Metallurgical and Materials Transactions A (2015) (DOI: 10.1007/s11661-015-2944-y).
- R. S. Mishra, N. Kumar, and M. Komarasamy, A lattice strain framework for plastic deformation in complex concentrated-alloys including high-entropy alloys, Materials Science and Technology, (2015) (DOI: http://dx.doi.org/10.1179/1743284715Y.0000000050).
- N. Kumar, M. Komarasamy, N. Phalgun, R. S. Mishra, P. K. Liaw, Friction Stir Processing of a High Entropy Alloy Al0.1CoCrFeNi, JOM 67 (2015) 1007-1013 (DOI: 10.1007/s11837-015-1385-9)
- N. Kumar, D. Choudhuri, R. Banerjee, and R. S. Mishra, Strength and ductility optimization of Mg-Y-Nd-Zr alloy by microstructural design, International Journal of Plasticity 68 (2015) 77-97 (DOI: 10.1016/j.ijplas.2014.11.003).
- M. Komarasamy, N. Kumar, Z. Tang, R. S. Mishra, and P. K. Liaw, Microstructure evolution and deformation mechanism of friction stir processed high entropy alloy, Materials Research Letters (DOI: 10.1080/21663831.2014.958586).
- N. Kumar, M. Komarasamy, and R. S. Mishra, Plastic deformation behavior of ultrafine grained Al-Mg-Sc alloy, Journal of Materials Science 49 (2014) 4202-4214 (DOI: 10.1007/s10853-014-8115-5).
- N. Kumar, N. Dendge, R. Banerjee, and R. S. Mishra, Effect of microstructure on the uniaxial tensile deformation behavior of Mg-4Y-3RE alloy, Materials Science and Engineering A 590 (2014) 116-131 (DOI: 10.1016/j.msea.2013.10.009).
- N. Kumar and R. S. Mishra. Additivity of strengthening mechanisms in ultrafine grained Al-Mg-Sc alloy, Materials Science and Engineering A 580 (2013) 175-183 (DOI: 10.1016/j.msea.2013.05.006).
- K.S. Suresh, N. Kumar, R.S. Mishra, S. Suwas, Evolution of microstructure and texture in friction stir processed Al-Mg-Mn alloy, Materials Science Forum 753 (2013) 247-25
- S. Santhanakrishnan, N. Kumar, N. Dendge, D. Choudhuri, S. Katakam, S. Palanivel, H. D. Vora, R. Banerjee, R. S. Mishra, and N. B. Dahotre, Macro and microstructural study of laser processed WE43 (Mg-Y-Nd) magnesium alloy, Metallurgical and Materials Transactions B 44 (2013) 1190-1200 (DOI: 10.1007/s11663-013-9896-7).
- G. R. Argade, N. Kumar, R. S. Mishra, Stress corrosion cracking susceptibility of ultrafine grained Al-Mg-Sc alloy, Materials Science and Engineering A 565 (2013) 80-89 (DOI: 10.1016/j.msea.2012.11.066).
- N. Kumar and R. S. Mishra. Ultrafine grained Al-Mg-Sc alloy via friction stir processing, Metallurgical and Materials Transactions A 44 (2013) 934-945 (DOI: 10.1007/s11661-012-1461-5) (Due to the comprehensive nature and overall excellence, this paper has been selected by Met. Trans. Editors for open access).
- N. Kumar and R. S. Mishra. Thermal stability of friction stir processed ultrafine grained Al-Mg-Sc alloy. Materials Characterization 74 (2012) 1-10 (DOI: 10.1016/j.matchar.2012.09.003).
- S. K. Panigrahi, K. Kumar, N. Kumar, W. Yuan, R. S. Mishra, E. DeLorme, B. Davis, R. A. Howell, and K. Cho. Transition of deformation behavior in an ultrafine grained magnesium alloy. Materials Science and Engineering A 549 (2012) 123-127 (DOI: 10.1016/j.msea.2012.04.017).
- N. Kumar, R. S. Mishra, C. S. Huskamp, and K. K. Sankaran, The effect of friction stir processing on the microstructure and mechanical properties of equal channel angular pressed 5052Al alloy sheet, Journal of Materials Science 46 (2011) 5527-5533 (DOI: 10.1007/s10853-011-5497-5).
- N. Kumar, R. S. Mishra, C. S. Huskamp, and K. K. Sankaran, Microstructure and mechanical behavior of friction stir processed ultrafine grained Al-Mg-Sc sheet, Materials Science and Engineering A 528 (2011) 5883-5887 (DOI: 10.1016/j.msea.2011.03.109).
- N. Kumar, R. S. Mishra, C. S. Huskamp, and K. K. Sankaran, Critical grain size for change in deformation behavior in ultrafine grained Al-Mg-Sc alloy, Scripta Materialia 64 (2011) 576-579 (DOI: 10.1016/j.scriptamat.2010.11.051).
- R. Kapoor, N. Kumar, R. S. Mishra, C. S. Huskamp, K. K. Sankaran, Influence of fraction of high angle boundaries on the mechanical behavior of an ultrafine grained Al-Mg alloy, Materials Science and Engineering A 527 (2010) 5246-5254 (DOI: 10.1016/j.msea.2010.04.086).
- N. Kumar, S. Hegde, G. Kumar, and K. N. Prabhu, Effect of modification melt treatment and cooling rate on NDT parameters of Al-13%Si alloy(LM9), Indian Foundry Journal, 52 (2006) 24-32.
Poster/Paper presentations/publications in Conferences
2017
- A.S. Alomari, N. Kumar, and K.L. Murty, Serrated Flow in Alloy 709 (Fe-25Ni-20Cr), ANS Winter Meeting 2017, Washington, DC, USA, Oct. 29-Nov. 02, 2017.
- N. Kumar, A. Alomari, and K.L. Murty, On creep deformation behavior of Nb-containing Fe-Ni- Cr austenitic stainless steel, Materials for Nuclear Energy Applications symposium at Materials Science & Technology 2017 conference, Oct. 08 – 12, 2017, Pittsburg PA USA.
- A.S. Alomari, N. Kumar, and K.L. Murty, Dynamic Strain Aging in Alloy 709, Poster Session-Triangle Student Research Competition, Research Triangle, Durham, NC, USA, Oct. 4, 2017.
- K. L. Murty, N. Kumar and B. Luan, Biaxial creep of textured Nb-modified Zircaloy tubing, International Conference on Frontiers in Materials Processing, Applications, Research and Technology (FiMPART), July 9 - 12, 2017, Bordeaux, France.
- A.S. Alomari, N. Kumar, and K.L. Murty, Investigation on Creep Mechanisms of Alloy 709, Proceedings of the 17th International Conference on Power Engineering ICOPE17, June 26 - 30, 2017, Charlotte, NC, USA.
- A. S. Alomari, N. Kumar, and K.L. Murty, Tensile Plastic Deformation Behavior of Alloy 709 at 500 °C, 2017 ANS Annual Meeting, June 11-15, 2017, San Francisco, CA.
- N. Kumar, A. Alomari and K. L. Murty, Understanding plastic deformation mechanism(s) in recrystallized Zircaloy-4, Advances in Materials and Manufacturing Processes for Energy Technologies, Manufacturing Science and Engineering Conference, June 4 – 8, 2017, University of Southern California Los Angeles, CA USA. INVITED
- A.S. Alomari, N. Kumar, and K.L. Murty, Steady State Creep Behavior of Alloy 709, Poster Session-NE Graduate Research Symposium, Raleigh, NC, USA, Apr. 27, 2017.
- A.S. Alomari, N. Kumar, and K.L. Murty, High Temperature Deformation Mechanisms of Austenitic Stainless Steel Alloy 709, The 12th Annual NC State University Graduate Student Research Symposium, Raleigh, NC, USA, Mar. 22, 2017.
- N. Kumar, K. Grundy, B. Kombaiah, B. Luan, K. L. Murty, Anisotropic Biaxial Creep of Textured Nb-modified Zircaloy-4 Tubing, Mechanical and Creep Behavior of Advanced Materials: A SMD Symposium Honoring Prof. K. Linga Murty, TMS 2017 146th Annual Meeting and Exhibition, February 26 – March 2, 2017, San Diego CA USA.
- N. Kumar, A. Alsabbagh, C.S. Seok, K. L. Murty, Synergistic Effects of Neutron Irradiation and Interstitial Nitrogen on Strain Aging in Ferritic Steels, Mechanical and Creep Behavior of Advanced Materials: A SMD Symposium Honoring Prof. K. Linga Murty, TMS 2017 146th Annual Meeting and Exhibition, February 26 – March 2, 2017, San Diego CA USA.
- D.L. Olson, Z. Shayer, S. Liu, Z. Yu, K.L. Murty, N. Kumar, D. Kaoumi, S. Depinoy, B. Anderson, T.J. Ulrich, C. Bryan, D. Enos, J.D. Almer, J.R. Johns, D. Lewis, Innovative approaches to marine atmospheric stress corrosion cracking inspection, evaluation and modeling in used-fuel dry storage canisters, MS&T16, October 23-27, 2016 Salt Lake City, Utah USA.
- K. Algarsamy, A. Fortier, N. Kumar, R. S. Mishra, Investigation of thermo-mechanical processing and mechanical properties of CoCrFeNiMn high entropy alloy for peripheral vascular stent application, Advances in Solid-State Manufacturing Processes symposium, MSEC2016, June 27 – July 1, 2016, VirginiaTech USA. (Paper presentation)
- A. Poudel, A. Fortier, N. Kumar, R. S. Mishra, K. C. Cho, R. E. Brennan, K. J. Doherty, Intermetallic Compound Formation Control in Aluminum to Magnesium Alloy Weld Joint Using Friction Stir Welding, Advances in Solid-State Manufacturing Processes symposium, MSEC2016, June 27 – July 1, 2016, VirginiaTech USA. (Oral Presentation)
- R. S. Mishra, N. Kumar, M. Komarasamy, Lattice strain framework for plastic deformation in complex concentrated alloys including high entropy alloys, High Entropy Alloys IV, TMS Annual Meeting & Exhibition, Nashville, 14-18 February 2016, USA (Oral presentation). INVITED
- K. Algarsamy, A. Fortier, N. Kumar, R. S. Mishra, Friction stir processed high entropy alloys for biomedical application, High Entropy Alloys IV, TMS Annual Meeting & Exhibition, Nashville, 14-18 February 2016, USA (Oral presentation).
- N. Kumar, M. Komarasamy, Z. Tang, R. Mishra, and P. Liaw, On the friction stress and Hall-Petch coefficient of a single phase face-centered-cubic high entropy alloy, Al0.1FeCoNiCr, High Entropy Alloys III, TMS Annual Meeting & Exhibition, Orlando FL, 15-19 March 2015, USA (Oral presentation). INVITED
- N. Kumar, R. Mishra, R. Brennan, K. Doherty, K. Cho, Laser-assisted friction stir processing for controlling microstructural evolution in Mg-4Y-3Nd alloy, Friction Stir Welding and Processing VIII, TMS Annual Meeting & Exhibition, Orlando FL, 15-19 March 2015, USA (Oral presentation). INVITED
- M. Komarasamy, N. Kumar, and R. Mishra, Computational and experimental evaluation of effect of primary Al3Sc particles on fatigue behavior of an Al-Mg-Sc alloy, ICME: Linking Microstructure to Structural Design Requirements — ICME: Linking Microstructure to Structural Design Requirements II, TMS Annual Meeting & Exhibition, San Diego, CA, February 16 – 20, 2014, USA (Oral presentation).
- M. Komarasamy, N. Kumar, Z. Tang, R. S. Mishra; and P. Liaw, Mechanical behavior of an Al0.1CoCrFeNi high entropy alloy, Symposium on High Entropy Alloys II — Structures and Mechanical Properties, TMS Annual Meeting & Exhibition, San Diego, CA, February 16 – 20, 2014, USA (Oral presentation).
- S. Das, N. Kumar, R. Mishra, K. Doherty, K. Cho, B. Davis, and R. Delorme, Effect of Friction Stir Processing on toughness of WE43 alloy, Magnesium Technology 2014 — Poster Session, TMS Annual Meeting & Exhibition, San Diego, CA, February 16 – 20, 2014, USA (Poster presentation).
- N. Kumar and R. S. Mishra, Ductility of ultrafine grained magnesium alloy, Magnesium Technology Symposium, TMS Annual Meeting & Exhibition, San Antonio, March 3-7, 2013, USA (Poster presentation).
- N. B. Dahotre, S. Katakam, N. Dendge, H. D. Vora, N. Kumar, S. Santhanakrishnan, J. Y. Hwang, R. Banerjee, R. S. Mishra, and P. C. Collins, Comparative study of laser and friction stir joining of a magnesium alloy, International Conference on Magnesium Alloys and Their Applications, Vancouver, BC, July 8-12, 2012, Canada (Paper presentation).
- N. Kumar and R. S. Mishra, Thermal stability of friction stir processed ultrafine grained Al-Mg-Sc alloy, Friction Stir Welding and Processing VI, 2011 TMS Annual Meeting & Exhibition, San Diego, CA, February 27 – March 3, 2011, USA (Oral presentation).
- N. Kumar, R. S. Mishra, C. S. Huskamp and K. K. Sankaran, Critical grain size for change in deformation behavior in ultrafine grained Al-Mg-Sc alloy, EMPMD Technical Division Student Poster Contest, 2011 TMS Annual Meeting & Exhibition, San Diego, CA, February 27 – March 3, 2011, USA (Poster presentation).
- N. Kumar, R. S. Mishra, G. Mohanty, S. Karthik, and K. Rajan, The Effect of friction stir welding on the microstructure and mechanical behavior of continuously equal-channel angular pressed (CECAP) A5052 alloy sheets, Ultrafine Grained Materials – Sixth International Symposium - TMS 2010 Annual Meeting and Exhibition; Seattle, WA; February 14-18, 2010 (Poster presentation).
- Rajeev Kapoor, Nilesh Kumar, Rajiv Mishra, Influence of grain boundary character and strain rate on the ductility of ultrafine grained AA 5052, Ultrafine Grained Materials – Sixth International Symposium - TMS 2010 Annual Meeting and Exhibition; Seattle, WA; February 14-18, 2010 (Oral presentation).
- N. Kumar and R. S. Mishra, The effect of friction stir processing on the microstructure evolution and mechanical properties of A201 alloy, Graduate Research Showcase, 2009, Missouri University of Science & Technology, Rolla, USA (Poster presentation).
- N. Kumar, J. Rodelas, and R. S. Mishra, The effects of friction stir processing on the microstructural evolution and mechanical properties of Ti-6A1-4V alloy, Friction Stir Welding and Processing V -TMS 2009 Annual Meeting and Exhibition; San Francisco, CA; February 15-19, 2009 (Paper and oral presentation).