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1篇 您的检索式:作者名="Jeremy H.Rao"
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1Mechanical Property Evaluation of a SLMed Martensitic Stainless Steel显示文摘A martensitic stainless steel AISI420 fabricated by selective laser melting(SLM)and post-processed by austenitizing and tempering heat treatment was investigated in this study.The as-fabricated SLMed AISI420 showed a strong mechanical property anisotropy and low ductility in the longitudinal direction.Detailed microstructural characterization revealed the presence of austenite and a relatively sharp solidification texture in the as-fabricated state,while the sharp texture was considered as the cause for the mechanical property anisotropy.In contrast,a fully martensitic microstructure with a very weak texture was achieved after the austenitizing and tempering heat treatment.The mechanical property anisotropy was also fully eliminated,witnessing a significant improvement in the ductility,and thus,comparable mechanical performance with the wrought product was achieved in this study.Yun Shi Xiaojing Xiong Zhengwu Liu Yi Yang Juan Hou Songquan Wu Jeremy H.Rao Kai Zhang Aijun Huang 2020Acta Metallurgica Sinica(English Letters)2020,33,11:0
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