范明,袁小棋,高擎,周文浩,熊详江,武会宾,袁睿

• 1:湖南华菱湘潭钢铁有限公司技术质量部
• 2:北京科技大学钢铁共性技术协同创新中心

摘要(Abstract)：

采用光学显微镜、扫描电镜、能谱仪、拉伸试验和显微硬度仪等研究了316L/Q370qE、316L/Q420qE和316L/Q500qE(分别简称为370L、420L和500L复合板)3种不同强度级别的不锈钢/碳钢复合板的显微组织和力学性能，并在室温下使用三电极系统测试复合板的耐蚀性能。结果表明：370L复合板近界面附近碳钢侧组织为铁素体+珠光体，420L和500L复合板近界面处碳钢侧组织为铁素体+贝氏体，在界面附近碳钢侧均出现脱碳层，而在界面附近316L侧均存在一定量的杂质；随复合板中316L不锈钢体积分数的增加，3种复合板的伸长率都逐渐升高，拉伸断口均在界面处出现开裂；420L复合板的拉伸强度优于370L和500L复合板，420L复合板的耐蚀性最好，500L复合板次之，370L复合板较差。

关键词(KeyWords)： 不锈钢/碳钢复合板;316L不锈钢;桥梁用钢;复合板界面

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2021YFB3701700)

作者(Author): 范明,袁小棋,高擎,周文浩,熊详江,武会宾,袁睿

DOI: 10.13289/j.issn.1009-6264.2024-0432

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