摘要
NiTi基形状记忆合金具有优异的耐蚀性、生物相容性和形状记忆效应,应用非常广泛。增材制造技术能直接成形具有复杂形状的NiTi基形状记忆合金构件。目前可用于制备NiTi基形状记忆合金的增材制造技术有电子束熔炼、激光熔融沉积和选区激光熔炼。影响采用增材制造技术制备的NiTi基形状记忆合金性能的因素有增材制造工艺、化学成分和显微组织等。
NiTi-base shape memory alloy possesses excellent corrosion resistance,biocompatibility and shape memory effect,and is very widely used.NiTi-base shape memory alloy components of complex shape can be directly formed by additive manufacturing technology.At present,the additive manufacturing technologies applicable to fabrication of NiTi-base shape memory alloy involve electron beam melting(EBM),laser melting depostition(LMD)and selective laser melting(SLM).The factors influencing performances of NiTi-base shape memory alloy are additive manufacturing process,chemical composition,microstructure,etc.
作者
贾文静
何博
兰亮
庄祎豪
JIA Wenjing;HE Bo;LAN Liang;ZHUANG Yihao(Research Center of High-Temperature Alloy Precision Forming,School of Materials Science and Engineering,Shanghai University of Engineering Science,Shanghai 201620,China)
出处
《热处理》
CAS
2023年第2期1-7,共7页
Heat Treatment
关键词
NiTi基形状记忆合金
增材制造
相变温度
显微组织
力学性能
NiTi-base shape memory alloy
additive manufacturing
transformation temperature
microstructure
mechanical property
