Inconel 718合金中δ相数量与形貌的控制是保证产品性能的关键因素.介绍了近年来Inconel 718合金中δ相对其组织与疲劳性能影响的研究进展.综述了合金中δ相的形成与析出、溶解规律,δ相与热变形参数间的对应关系及δ相对疲劳性能的影响.
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