Failure investigation and stress analysis of a longitudinal stringer of an automobile chassis

V. Veloso; H.S. Magalhaes; G.I. Bicalho

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Failure investigation and stress analysis of a longitudinal stringer of an automobile chassis

机译：汽车底盘纵梁的故障调查与应力分析

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A failure analysis of a longitudinal stringer of a prototype vehicle has been carried out in this study. Failure took place at the bumpers fixation points of the vehicle suspension during durability tests. Crack was created and has grown causing fracture of the component. Stress analysis was performed using finite element method. A reinforcement model to solve the problem was proposed. Experimental quasi-static and durability tests were carried out and failures were no longer observed.

机译：在这项研究中，对原型车的纵向纵梁进行了失效分析。在耐久性测试期间，在车辆悬架的保险杠固定点发生了故障。产生了裂纹，裂纹不断扩展，导致部件断裂。应力分析使用有限元方法进行。提出了一种解决该问题的加固模型。进行了实验准静态和耐久性测试，不再观察到故障。

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《Engineering failure analysis》 |2009年第5期|共7页
作者
V. Veloso; H.S. Magalhaes; G.I. Bicalho;
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原文格式 PDF
正文语种 eng
中图分类工程力学;
关键词
Failure analysis; Stress analysis; Automotive components; Longitudinal stringer;

机译：失效分析;应力分析;汽车部件;纵向纵梁;

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1. Failure investigation and stress analysis of a longitudinal stringer of an automobile chassis [J] . V. Veloso, H.S. Magalhaes, G.I. Bicalho Engineering failure analysis . 2009,第5期

机译：汽车底盘纵梁的故障调查与应力分析
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4. Stress Analysis and Testing at the Marshall Space Flight Center to Study Cause and Corrective Action of Space Shuttle External Tank Stringer Failures [C] . Robert J. Wingate AIAA/ASME/ASCE/AHS/ASC structures, structural dynamics and materials conference . 2012

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机译：马歇尔太空飞行中心的应力分析和测试研究航天飞机外部坦克攻击失败的原因和纠正措施。

Failure investigation and stress analysis of a longitudinal stringer of an automobile chassis

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