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首页> 外文期刊>Aerospace science and technology >Microstructure and properties of electron beam welded joint of Ti-22Al-25Nb/TC11
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Microstructure and properties of electron beam welded joint of Ti-22Al-25Nb/TC11

机译：Ti-22Al-25Nb / TC11电子束焊接接头的组织与性能

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摘要

Dissimilar joining of Ti-22Al-25Nb alloy and an α + β titanium alloy TC11 were carried out using electron beam welding technique. The microstructure, microhardness, and mechanical properties of the joint have been investigated. The results show that EBW can be used the joining of dissimilar TC11 alloy and Ti-22Al-25Nb alloy. The microstructure of the heat affected zone (HAZ) of TC11 alloy is martensite α' phase, a large quantity of O/α_2 particles precipitate in the weld and the microstructure of the HAZ of Ti-22Al-25Nb alloy is B2 phase. The room-temperature tensile strength of the joint is higher than that of the TC11 alloy base, and the impact toughness value of the joint is found to be about 42% of that of the TC11 alloy base.
机译：使用电子束焊接技术进行了Ti-22Al-25Nb合金和α+β钛合金TC11的异种连接。研究了接头的显微组织，显微硬度和机械性能。结果表明，EBW可用于异种TC11合金和Ti-22Al-25Nb合金的连接。 TC11合金热影响区（HAZ）的组织为马氏体α'相，焊缝中析出大量O /α_2颗粒，Ti-22Al-25Nb合金的热影响区为B2相。接头的室温抗拉强度高于TC11合金基底的抗拉强度，并且发现接头的冲击韧性值约为TC11合金基底的抗冲击强度的42％。

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  • 来源
    《Aerospace science and technology》 |2010年第5期|P.302-306|共5页
  • 作者

    Lijun Tan; Zekun Yao; Wei Zhou; Hongzhen Guo; Yan Zhao;

  • 作者单位

    School of Materials and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    rnSchool of Materials and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    rnSchool of Materials and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    rnSchool of Materials and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    rnSchool of Materials and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    electron beam welding (EBW); titanium aluminides; titanium alloy; microstructure;

    机译：电子束焊接（EBW）;铝化钛;钛合金微观结构;

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