新型医用钛合金Ti7Nb10Mo的时效硬化行为Age-hardening behavior of new Ti7Nb10Mo titanium alloy for biomedical application
杨奇,刘会群,檀雯,石卫民,郭建华,尹胜利,王鼎春
摘要(Abstract):
用XRD、TEM及硬度测试等方法研究了Ti7Nb10Mo合金在时效过程中的硬化行为。结果表明:随时效温度和时间的变化,合金展现出不同的硬化效应,300~450℃温度下时效,合金硬度出现双峰时效现象,且呈上升趋势,500~650℃温度下时效,合金的硬度达到峰值后一直下降,这主要是由于在固溶态β+少量ω相基体中不断析出α和α″相,且在时效过程中ω相不断析出及分解。
关键词(KeyWords): β类钛合金;固溶时效;时效硬化
基金项目(Foundation):
作者(Author): 杨奇,刘会群,檀雯,石卫民,郭建华,尹胜利,王鼎春
DOI: 10.13289/j.issn.1009-6264.2017-0416
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