张志强,荆洪阳,徐连勇,张天刚,徐誉桐

• 1:中国民航大学航空工程学院
• 2:天津大学材料科学与工程学院
• 3:中国民航大学工程技术训练中心
• 4:中国民航大学中欧航空工程师学院

摘要(Abstract)：

铁素体/奥氏体双相不锈钢兼具高的强度、良好的塑韧性和耐腐蚀性能,在海洋工程、石油化工、核电等多个国家重点能源领域具有广阔的应用前景。焊接是双相不锈钢推广应用不可或缺的加工制造环节。在焊接过程中,焊缝和热影响区组织会经受复杂的热循环作用,促使铁素体大量增加和有害二次相析出,进而恶化力学性能和耐腐蚀性能,导致其成为焊接结构的薄弱环节。本文首先论述了双相不锈钢组织特点和焊接技术发展现状,重点综述了双相不锈钢焊接接头组织和性能的研究进展,最后指出目前双相不锈钢焊接存在的问题与未来的研究方向。

关键词(KeyWords)： 双相不锈钢;焊接;组织;性能;焊后热处理

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51905536);; 中央高校基本科研业务费(3122019084)

作者(Author): 张志强,荆洪阳,徐连勇,张天刚,徐誉桐

DOI: 10.13289/j.issn.1009-6264.2019-0485

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