腐蚀后自攻螺钉连接件力学性能研究
DOI:
https://doi.org/10.70693/cjst.v1i1.624Keywords:
薄壁型钢；螺钉连接；盐雾腐蚀；力学性能Abstract
本文研究腐蚀对自攻螺钉连接件强度退化的影响。模拟海洋大气环境，进行自攻螺钉连接件腐蚀试验，探究螺钉直径、螺钉数量和钢板厚度对连接件在腐蚀周期下的力学性能。研究结果表明，单颗螺钉连接件强度退化主要因素为腐蚀程度，两颗螺钉连接件强度退化主要因素为板材厚度，四颗螺钉连接件强度退化主要影响因素为螺钉直径。其中，四颗螺钉连接件腐蚀后的力学性能最优，采用最大直径尺寸螺钉，其腐蚀后增益作用明显，建议优先考虑应用。
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