黄国超,姚草根,张绪虎,王亮,徐桂华,王冰,孙亚超,邓太庆,孟烁,杨焕晨

• 1:航天材料及工艺研究所

摘要(Abstract)：

采用光学显微镜和扫描电镜研究了FGH4097粉末高温合金经9种不同三级时效工艺处理后的显微组织和γ′相的演变。结果表明：不同时效制度下FGH4097合金的光学显微组织变化不大，均未见原始粉末颗粒边界组织；不同时效制度对合金的二次γ′相的形态有一定的影响，对三次γ′相的平均尺寸、面积分数、颗粒密度和尺寸分布有明显的影响。FGH4097合金最优的三级时效热处理工艺为910℃×3 h/AC+750℃×8 h/AC+700℃×16 h/AC。

关键词(KeyWords)： FGH4097合金;三级时效;γ′相;显微组织

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 黄国超,姚草根,张绪虎,王亮,徐桂华,王冰,孙亚超,邓太庆,孟烁,杨焕晨

DOI: 10.13289/j.issn.1009-6264.2021-0426

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