孟宪明,梁永立,韩玮,赵杰,张俊宝

• 1:大连理工大学材料科学与工程学院
• 2:宝山钢铁股份有限公司研究院前沿技术研究所

摘要(Abstract)：

采用冷气动力喷涂技术在低碳钢表面制备了304不锈钢涂层,并分别进行300、600、800和950℃保温1 h的退火热处理,研究了不同退火温度对涂层组织和耐蚀性能的影响。结果表明:冷喷涂涂层由大量变形粒子搭接构成,粒子间界面清晰可见。950℃退火处理后,涂层组织由等轴晶构成,大量粒子间界面消失。电化学测试结果表明涂层的腐蚀速率随退火温度升高而降低,涂层在950℃退火条件下达到最低腐蚀速率0.145 mm/y。

关键词(KeyWords)： 冷喷涂;304不锈钢涂层;退火处理;电化学性能

Abstract:

Keywords:

基金项目(Foundation): 国家“863”专项(2007AA03Z352)

作者(Author): 孟宪明,梁永立,韩玮,赵杰,张俊宝

DOI: 10.13289/j.issn.1009-6264.2011.02.024

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