胡显军,孙丹丹,张珂,周雪峰,方峰

• 1:江苏省(沙钢)钢铁研究院
• 2:东南大学材料科学与工程学院

摘要(Abstract)：

利用光学显微镜、扫描电镜、透射电镜、硬度计和拉伸试验机等研究了固溶温度对热轧态Inconel625合金微观组织和力学性能的影响。结果表明:热轧态合金基体为奥氏体组织,第二相以富含Nb、Mo元素的MC碳化物为主。固溶温度低于1100℃时,碳化物溶解缓慢,此时温度对合金组织性能的影响较小;当固溶温度上升到1150℃时,碳化物充分溶解,晶粒尺寸迅速增大,合金的强度及硬度大幅下降,均匀伸长率显著提升。热轧态Inconel625合金最佳固溶温度区间为1100～1150℃。

关键词(KeyWords)： Inconel625合金;固溶处理;微观组织;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 胡显军,孙丹丹,张珂,周雪峰,方峰

DOI: 10.13289/j.issn.1009-6264.2018-0530

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