Cu和Cr对耐候钢的力学性能及耐蚀性能的影响Effects of Cu and Cr content on mechanical properties and corrosion resistance of weathering steels
封辉,刘峰,王本贤,吴成义,刘玉宝,王福松
摘要(Abstract):
研究了不同Cu和Cr含量对低合金高强耐候钢的力学性能及耐腐蚀性能的影响规律。结果表明,Cu元素含量对合金的强度影响较为明显,随Cu含量增加,合金的屈服强度逐渐提高;随Cr含量增加,合金屈服强度也略有上升,但强化效果不明显。Cu和Cr的加入均会提高合金的韧脆转变温度,但冲击功的绝对值仍保持在较高的水平。Cu和Cr元素的加入,增加了锈层的致密度,使得合金的耐腐蚀性能得到明显提升。
关键词(KeyWords): 低合金高强钢;固溶强化;周期浸润腐蚀
基金项目(Foundation): 国家科技支撑计划项目(2009BAG12A07)
作者(Author): 封辉,刘峰,王本贤,吴成义,刘玉宝,王福松
DOI: 10.13289/j.issn.1009-6264.2012.01.020
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