陈志远,张丁非,程健,江海军,胡瑜,王渝,薛寒松

• 1:重庆大学材料科学与工程学院
• 2:重庆钢铁研究所有限公司

摘要(Abstract)：

采用不同热处理制度对高温合金GH4033进行处理。通过能谱仪、光学显微镜、扫描电镜(SEM)和高温拉伸试验机等分析手段研究热处理对合金晶粒尺寸、第二相以及高温拉伸性能的影响。结果表明:采用1160℃×1.5 h+1020℃×8 h+1080℃×8 h+700℃×16 h进行热处理的试样(No.1试样)与采用1080℃×8 h+700℃×16 h进行热处理的试样(No.2试样)相比,前者晶粒分布更均匀,晶界碳化物呈细小的断链状分布,后者的晶界碳化物呈粗大的连续网状分布;前者的抗拉强度与后者接近,但塑性远优于后者。

关键词(KeyWords)： GH4033;微观组织;热处理;第二相;高温拉伸

Abstract:

Keywords:

基金项目(Foundation): 重庆市重大装备用系列高性能合金材料共性技术开发及应用项目(cstc2015zdcy-ztzx50002)

作者(Author): 陈志远,张丁非,程健,江海军,胡瑜,王渝,薛寒松

DOI: 10.13289/j.issn.1009-6264.2017-0468

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