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随机变幅载荷下焊接接头的海水腐蚀疲劳裂纹扩展试验
徐纪林; 薛以年; 李禾
Source Publication中国海洋平台
1994-10-30
IssueZ1Pages:154-158
ISSN1001-4500
Abstract本工作采用国产海上平台用钢的T型和十字形板状焊接接头试件;模拟导管架管节点的弯曲受力状态;在随机变幅载荷下进行了海水腐蚀疲劳裂纹扩展试验;分别测得在海水自由腐蚀和阴极保护条件下的da/dN~△K_(rms)关系曲线。对于十字型焊接接头试件;根据试验测得的裂纹扩展速率曲线;用断裂力学方法对其海水腐蚀疲劳裂纹扩展寿命(有阴极保护)进行了估算;估算得到的裂纹扩展寿命曲线与试验数据以及用线性累积损伤理论估算的寿命曲线进行了分析比较和讨论。
Keyword随机变幅载荷 焊接接头 海水腐蚀疲劳 裂纹扩展
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/72346
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
徐纪林,薛以年,李禾. 随机变幅载荷下焊接接头的海水腐蚀疲劳裂纹扩展试验[J]. 中国海洋平台,1994(Z1):154-158.
APA 徐纪林,薛以年,&李禾.(1994).随机变幅载荷下焊接接头的海水腐蚀疲劳裂纹扩展试验.中国海洋平台(Z1),154-158.
MLA 徐纪林,et al."随机变幅载荷下焊接接头的海水腐蚀疲劳裂纹扩展试验".中国海洋平台 .Z1(1994):154-158.
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