Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 840, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2022.142926
Keywords
Directed-energy deposition; Martensitic stainless steel; WC particles; Strength-ductility trade -off
Categories
Funding
- Project of the National Natural Science Foundation of China [52025052, 51905391, 51975405]
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Directed energy deposition was used to fabricate 15-5PH/WC composites with tailored reinforcement architecture. The addition of WC particles resulted in a synergistic enhancement of strength and ductility due to multiple factors.
Directed energy deposition of 15-5PH/WC composites with tailored reinforcement architecture was carried out by mechanical mixing of 15-5 PH powders and WC particles. The 15-5PH/WC composites exhibit a synergistic enhancement of strength and ductility than that without WC addition, due to the combined effects of grain refinement, non-equilibrium grain boundary strengthening, solution strengthening, and transformation-induced plasticity.
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