费克勋,李成涛,宋利君,薛飞

• 1:苏州热工研究院寿命管理技术中心

摘要(Abstract)：

采用背散射电子衍射分析技术(EBSD)和慢应变速率拉伸实验方法研究不同轧制道次的Inconel 690合金微观组织和应力腐蚀开裂(SCC)行为。结果表明,三道次轧制的690合金样品的晶粒更大,低重合点阵晶界所占比例更高,织构程度更弱。三道次轧制的690合金在高温高压纯水中的慢应变速率拉伸试验表现出更好的耐应力腐蚀性能。三道次轧制的690合金可以形成更加均匀的组织,提高低重合点阵晶界所占比例,增加其抗应力腐蚀能力。

关键词(KeyWords)： 690合金;轧制;微观组织;EBSD;应力腐蚀

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(钢铁联合研究基金)(U1260201)

作者(Author): 费克勋,李成涛,宋利君,薛飞

DOI: 10.13289/j.issn.1009-6264.2015.03.010

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