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29 Jan 2024 SERC Institute of Materials Research & Engineering A strong fracture-resistant high-entropy alloy with nano-bridged honeycomb microstructure intrinsically toughened by 3D-printing Punit Kumar, Sheng Huang, David H. Cook, Kai Chen, Upadrasta Ramamurty, Xipeng Tan, Robert O. Ritchie Nature Communications
20 Oct 2023 SERC Institute of Materials Research & Engineering Fracture behavior of PH15-5 stainless steel manufactured via directed energy deposition Sheng Huang, Punit Kumar, Choon Wee Joel Lim, Jayaraj Radhakrishnan, Upadrasta Ramamurty Materials & Design
11 Aug 2023 SERC Institute of Materials Research & Engineering On the strength and fracture toughness of an additive manufactured CrCoNi medium-entropy alloy Punit Kumar, Matthew Michalek, David H. Cook, Huang Sheng, Kwang B. Lau, Pei Wang, Mingwei Zhang, Andrew M. Minor, Upadrasta Ramamurty, Robert O. Ritchie Acta Materialia
24 Dec 2022 SERC Institute of Materials Research & Engineering Part geometry-driven crystallographic texture control in a 3D-printed austenitic steel – a strategy for near-monocrystalline microstructure generation Shubham Chandra, Xipeng Tan, Punit Kumar, Upadrasta Ramamurty Scripta Materialia
3 Oct 2022 SERC Institute of Materials Research & Engineering Effect of heat treatment on the microstructure and mechanical properties of 2.4 GPa grade maraging steel fabricated by laser powder bed fusion Siyuan Wei, Punit Kumar, Kwang Boon Lau, Delvin Wuu, Laura-Lynn Liew, Fengxia Wei, Siew Lang Teo, Augustine Cheong, Chee Koon Ng, Baicheng Zhang, Cheng Cheh Tan, Pei Wang, Upadrasta Ramamurty Additive Manufacturing
4 Aug 2022 SERC Singapore Institute of Manufacturing Technology Heat treatment effect on the microstructure and elevated temperature tensile property of the Ti6242S alloy fabricated via laser powder bed fusion Zhiguang Zhu, Punit Kumar, Fern Lan Ng, Hang Li Seet, Upadrasta Ramamurty, Sharon Mui Ling Nai Journal of Alloys and Compounds
16 Jul 2022 SERC Institute of Materials Research & Engineering Effect of initial dislocation density on the plastic deformation response of 316L stainless steel manufactured by directed energy deposition Shi-Hao Li, Yakai Zhao, Punit Kumar, Upadrasta Ramamurty Materials Science and Engineering: A
13 Jul 2022 SERC Institute of Materials Research & Engineering Directed energy deposition of metals: processing, microstructures, and mechanical properties Shi-Hao Li, Punit Kumar, Shubham Chandra, Upadrasta Ramamurty International Materials Reviews
29 Jan 2022 SERC Institute of Materials Research & Engineering Role of metastable austenite in the fatigue resistance of 304L stainless steel produced by laser-based powder bed fusion Punit Kumar, R. Jayaraj, Zhiguang Zhu, R.L. Narayan, U. Ramamurty Materials Science and Engineering: A
26 Dec 2021 SERC Institute of Materials Research & Engineering Fracture behavior of laser powder bed fusion fabricated Ti41Nb via in-situ alloying Sheng Huang, Punit Kumar, Wai Yee Yeong, R. Lakshmi Narayan, Upadrasta Ramamurty Acta Materialia