Rapid fabrication of Nb-Si based alloy by selective laser melting: Microstructure, hardness and initial oxidation behavior

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Rapid fabrication of Nb-Si based alloy by selective laser melting: Microstructure, hardness and initial oxidation behavior

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作者：Yueling Guo^a ; Lina Jia^a ; ^{jialina@buaa.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Shaobo Sun^a ; Bin Kong^a ; Jinhui Liu^b ; Hu Zhang^a
关键词：Nb-Si alloy ; Selective laser melting ; Rapid solidification ; Hardness ; Oxidation
刊名：Materials & Design
出版年：2016
出版时间：5 November 2016
年：2016
卷：109
期：Complete
页码：37-46
全文大小：4021 K

文摘

•: Nb-Si based alloy with a novel refined microstructure was fabricated by selective laser melting (SLM).
•: The hardness of Nb-Si based alloy by SLM reduced to 542HV_0.1 from 810HV_0.1 after heat treatment at 1500 °C for 4 h.
•: A layered oxide scale was formed at the initial stage of high temperature oxidation, including a sound SiO₂ layer.

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