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螺栓断裂分析
引用本文:张海峰,邢建东,郭卫红,张永辉.螺栓断裂分析[J].材料开发与应用,2004,19(4):28-31.
作者姓名:张海峰  邢建东  郭卫红  张永辉
作者单位:1. 西安交通大学,陕西,西安,710049;洛阳船舶材料研究所,河南,洛阳,471039
2. 西安交通大学,陕西,西安,710049
3. 洛阳船舶材料研究所,河南,洛阳,471039
摘    要:采用多种分析手段对螺栓断口及基体进行分析,并从螺栓的使用环境、受力情况及工作状况分析和探讨了断裂的原因。结果表明,螺栓的断裂是由于缝隙腐蚀引起,在应力腐蚀及腐蚀疲劳的作用下最终导致螺栓断裂,是由多种因素综合所致。

关 键 词:螺栓  缝隙腐蚀  应力腐蚀  疲劳
文章编号:1003-1545(2004)04-0028-04
修稿时间:2004年4月2日

Analysis on the Failure of High Strength Steel Bolts
ZHANG Hai-feng.Analysis on the Failure of High Strength Steel Bolts[J].Development and Application of Materials,2004,19(4):28-31.
Authors:ZHANG Hai-feng
Affiliation:ZHANG Hai-feng~
Abstract:Analysis on the features of the fracture and the body of high strength steel bolts were carried out and the failure factors were analyzed considering the loading conditions and the working conditions of the bolts in their application environment.The results shown that the failure cracks of the bolts were initially induced by crevice corrosion,and the stress couuosion and fatigue corrosion brought about propagation of the cracks ,and finally the failures occured,that is to say,the failures of the bolts were result from several fators.
Keywords:Bolts  Crevice corrosion  Stress corrosion  Fatigue  
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