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首页> 外文期刊>Journal of Materials Research >Microstructures and mechanical properties of Ti/Al/Mg/Al/Ti laminates with various rolling reductions
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Microstructures and mechanical properties of Ti/Al/Mg/Al/Ti laminates with various rolling reductions

机译：具有不同压下量的Ti / Al / Mg / Al / Ti层压板的组织和力学性能

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摘要

Ti/Al/Mg/Al/Ti laminates were fabricated by hot rolling at 450 degrees C with various rolling reductions, and the relationship between the mechanical properties and microstructures was investigated in detail. Both Al-Mg and Ti-Al interfaces are well bonded without pore, crack, and intermetallics. Mg layer of 50% rolling reduction has the most dynamic recrystallized (DRXed) grains around the deformation bands, and tensile twins appear in Mg layer when the rolling reduction increases to 60%. Large numbers of twins are formed to absorb the further strain as reduction increases. Ti layer shows equiaxed grains, which are not sensitive to thickness strain. Mg layers of laminates with various rolling reductions all exhibit typical (0002) basal texture. Fifty-percent rolling reduction has the largest ultimate tensile strength of 337.8 MPa, which is mainly owing to grain refinement caused by the extensive DRX. The differences of elongation among the three samples with different rolling reductions are small.
机译：Ti / Al / Mg / Al / Ti层压板是通过在450摄氏度下热轧并以不同的压下率制备的，并详细研究了力学性能与显微组织之间的关系。 Al-Mg和Ti-Al界面均结合良好，没有孔，裂纹和金属间化合物。压下率50％的Mg层在变形带附近具有最大的动态再结晶（DRXed）晶粒，当压下率增加至60％时，Mg层中会出现拉伸孪晶。随着减少的增加，形成了大量的孪晶以吸收进一步的应变。 Ti层显示等轴晶粒，对厚度应变不敏感。具有各种压下率的层压材料的镁层均表现出典型的（0002）基础纹理。百分之五十的压下率具有337.8 MPa的最大极限抗拉强度，这主要归因于广泛的DRX引起的晶粒细化。具有不同压下率的三个样品之间的伸长率差异很小。

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  • 来源
    《Journal of Materials Research》 |2019年第2期|344-353|共10页
  • 作者

    Wang Taolue; Nie Huihui; Mi Yujie; Hao Xinwei; Yang Fan; Chi Chengzhong; Liang Wei;

  • 作者单位

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Adv Magnesium Based Mat, Taiyuan 030024, Shanxi, Peoples R China|Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China;

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

    Ti/Al/Mg/Al/Ti laminates; rolling reduction; mechanical properties; interface structure; DRX;

    机译：Ti / Al / Mg / Al / Ti层板;压下率;力学性能;界面结构;DRX;

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