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轨道扣件弹条断裂失效分析
李天夫; 屈伸; 董晨; 张哲峰
2019-09-25
Source Publication金属热处理
Volume44Issue:S1Pages:174-177
Abstract采用宏观和微观分析、金相组织分析、化学成分测试等方法对断裂的弹条进行了分析。结果表明,失效弹条为疲劳断裂,疲劳源位于弹条表面,在疲劳源处存在折叠缺陷,弹条的金相组织为正常的回火索氏体;弹条的原材料盘条在热轧过程中发生折叠,折叠处引起应力集中,导致弹条发生早期疲劳断裂。
Keyword弹条 轨道扣件 折叠缺陷 疲劳断裂 失效分析
MOST Discipline CatalogueTG115 ; U213.53
Language中文
WOS SubjectTG115 ; U213.53
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80396
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
First Author AffilicationInstitute of Metal Research Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李天夫,屈伸,董晨,等. 轨道扣件弹条断裂失效分析[J]. 金属热处理,2019,44(S1):174-177.
APA 李天夫,屈伸,董晨,&张哲峰.(2019).轨道扣件弹条断裂失效分析.金属热处理,44(S1),174-177.
MLA 李天夫,et al."轨道扣件弹条断裂失效分析".金属热处理 44.S1(2019):174-177.
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