OALib Journal期刊
ISSN: 2333-9721
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国产海洋用钢36Z焊缝腐蚀疲劳裂纹扩展的研究
, PP. 95-99
Keywords: 焊缝,腐蚀疲劳,裂纹扩展
Abstract:
本文给出了国产海洋用钢36z焊缝及热影响区在人工合成海水中不同频率的裂纹扩展特征,并与国外同样强度级别的海洋用钢A537焊缝的裂纹扩展率进行了比较。结果表明,在人工合成海水中国产钢焊缝和热影响区低频比高频下的裂纹扩展率分别高3—5倍和4—10倍;国产钢焊缝与A537焊缝的裂纹扩展率基本相当。本文对腐蚀介质下焊缝裂纹扩展规律和断裂特征进行了讨论。
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