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Home > Wen Yuan (High School Edition) > 2021 No.09 > 钛合金板对接焊接头残余应力测试研究

  • 钛合金板对接焊接头残余应力测试研究

    Author(s)：

    彭金波 吴秀丽 张茂 韩中宝

    Publication Title：

    Wen Yuan (High School Edition) 2021 No.09

    Affiliations：

    中国航发航空科技股份有限公司

    Abstract：

    钛合金被广泛应用于航空航天等工程领域，其中焊接是完成连接的主要方式。焊接技术虽然生产效率高，但其常常会在结构中引入残余应力。焊接残余应力的存在会对结构的稳定性及疲劳开裂性能产生非常不利的影响，给结构的服役安全性带来威胁。为了了解钛合金焊后残余应力的大小和分布，本文针对TC2钛合金薄板制作了对接焊接头，并采用钻孔法对其残余应力具体分布进行了测试研究。结果表明残余应力在焊缝周围存在明显的应力梯度，峰值应力出现在焊缝及其附近，随着距离焊缝中心线的增大，残余应力值逐渐减小。

    Keywords：

    TC2钛合金；薄板；焊接残余应力；钻孔法

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    [1] 彭金波,吴秀丽,张茂,韩中宝.钛合金板对接焊接头残余应力测试研究[J].Wen Yuan (High School Edition),2021(09),.

文渊(高中版)
Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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