IMECH-IR  > 力学所知识产出(1956-2008)
吉普汽车转向机固定螺栓断裂失效分析
吕永华; 洪友士; 李云笃; 厉小静
Source Publication机械工程材料
1992
Volume16Issue:1Pages:53-58
ISSN1000-3738
Abstract螺栓是汽车、桥梁等钢结构中广泛使用的紧固件。重要螺栓的断裂常常导致灾难性事故。本文通过几起BJ/XJ213汽车转向机固定螺栓的断裂分析,指出了事故发生的客观原因及存在于人们思想中的主观原因。测定了螺栓预紧扭矩与产生预紧应力之间的对应关系,同时用扫描电镜观察了典型的螺栓断口特征。结果表明,螺栓联接部位的加工缺陷及不合理的装配,使得固定螺栓在服役过程中承受了异常的交变弯曲载荷,导致了最终的疲劳断裂。
Keyword转向机固定螺栓 预紧扭矩 疲劳裂纹
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/35820
Collection力学所知识产出(1956-2008)
Corresponding Author吕永华
Recommended Citation
GB/T 7714
吕永华,洪友士,李云笃,等. 吉普汽车转向机固定螺栓断裂失效分析[J]. 机械工程材料,1992,16,1,:53-58.
APA 吕永华,洪友士,李云笃,&厉小静.(1992).吉普汽车转向机固定螺栓断裂失效分析.机械工程材料,16(1),53-58.
MLA 吕永华,et al."吉普汽车转向机固定螺栓断裂失效分析".机械工程材料 16.1(1992):53-58.
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