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