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Sichuan Da Xue Xue Bao Yi Xue Ban, 2023 Hu Y, Zhang W.
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Zhonghua Xue Ye Xue Za ZhiRed Blood Cell Disease (Anemia) Group +2 more
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Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023 Xu Z, Li Y, Zou G, Jin Y, Rao J, Tian S.
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Jianzhu Gangjiegou Jinzhan焊接是钢结构广泛采用的连接形式。在提高钢材强度等级后，焊接接头在服役过程中对蚀坑、裂纹等缺陷的敏感度增强，且焊接会劣化钢材成分、组织性能进而导致焊接接头产生初始缺陷。因此，在环境腐蚀、应力集中、超载等因素作用下，钢结构焊缝连接未达到设计服役年限就发生疲劳断裂，造成严重的资源浪费。基于对多因素耦合下高强钢焊缝连接疲劳性能研究现状的总结，介绍了腐蚀疲劳机理及腐蚀预测模型，分析了疲劳设计方法及疲劳寿命评估理论，归纳了焊接残余应力、点蚀坑以及初始裂纹对焊缝连接疲劳性能的影响。结果表明：焊接工艺 ...
郭宏超, 关晓迪, 王铳, 赵越
doaj
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