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首页> 外文会议>FISITA world automotive congress >Test and Analysis of the Mechanical Properties for Laser-Welding Seams and Spot-Welding Joints
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Test and Analysis of the Mechanical Properties for Laser-Welding Seams and Spot-Welding Joints

机译：激光焊缝和点焊接头力学性能的测试与分析

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摘要

Laser welding seams and Spot-welding Joints are wide used in auto body design. It is important for the body design engineers and CAE engineers to understand the mechanical behaviors of spot-weld joints and laser-welding seams. The objective of this paper is to introduce a test method to study the mechanical properties for laser-welding seams and spot-welding Joints by test and simulation. In this paper, different welding joint samples are designed considering the application in auto body joint design, and the methods for measuring the mechanical properties for Laser-Welding Seams in tailor welded blanks and Spot-welding Joints are presented. Two size TWBs (tailor welded blanks) tensile test samples with longitudinal laser-welding seams and three kinds of spot-welding joints with different thickness blanks are designed and tested.
机译：激光焊缝和点焊接头广泛用于车身设计中。对于车身设计工程师和CAE工程师而言，了解点焊接头和激光焊缝的机械性能非常重要。本文的目的是介绍一种测试方法，通过测试和模拟研究激光焊接接缝和点焊接头的力学性能。本文针对不同的焊接接头样品在汽车车身接头设计中的应用进行了设计，提出了量身定做的焊接坯料和点焊接头中激光焊缝力学性能的测量方法。设计并测试了两种带有纵向激光焊接接缝的尺寸为TWBs（量身定制的焊接坯料）的拉伸测试样品以及三种具有不同厚度的坯料的点焊接头。

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