邢鹏宇,张义文,贾建

• 1:钢铁研究总院高温材料研究所

摘要(Abstract)：

利用扫描电镜(SEM)和场发射电子探针显微分析仪(EPMA)等研究热处理后不同Ta含量的FGH4098合金中MC型碳化物的形貌、含量、尺寸和组成。结果表明:对于热处理态FGH4098合金,加入Ta元素可以抑制MC型碳化物沿原始粉末颗粒边界(PPB)析出;随Ta含量的增加,FGH4098合金中MC型碳化物的含量有所增加,等效粒径也略有增加,但变化不大;加入合金中的Ta元素会替代MC型碳化物中的Ti,改变了MC型碳化物组成,且随着合金Ta含量的增加,MC型碳化物组成中Ta元素的所占比例显著增加。

关键词(KeyWords)： 粉末高温合金;FGH4098;Ta元素;MC型碳化物

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 邢鹏宇,张义文,贾建

DOI: 10.13289/j.issn.1009-6264.2017-0414

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