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首页> 外文期刊>Materials Science and Engineering >Fabrication, microstructure and mechanical properties of the as-rolled ZW31/PMMCS laminate
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Fabrication, microstructure and mechanical properties of the as-rolled ZW31/PMMCS laminate

机译：轧制ZW31 / PMMCS层压板的制造，微观结构和力学性能

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摘要

In present work, the ductile Mg-Zn-Y alloy (ZW31) was introduced into the 10 mu m 15 vol% SiCp/AZ91 composites (PMMCs) to coordinate the deformation of PMMCs during the rolling process, then the ZW31/PMMCs laminate with the thickness of similar to 1 mm was prepared successfully. The microstructure and mechanical properties of the as-rolled ZW31/PMMCs laminate before and after the annealing process was investigated, the results indicated that existence of ZW31 alloy layer can absorb energy and relieve stress concentration of PMMCs layer by the formation of twins, which not only break through the bottlenecks of poor toughness of PMMCs, but also make it possible for the rolling of PMMCs sheet. The recrystallization behavior of the ZW31 alloy layer and PMMCs layer was completely different during the subsequent annealing process. For the ZW31 alloy layer, recrystallization induced by twinning, while the recrystallization in PMMCs layer related to the introduced particle. The typical rolling texture was formed in the ZW31/PMMCs laminate, and the intensity of which was mainly controlled by the ZW31 alloy. Application of annealing process improved the elongation of the ZW31/PMMCs laminate, however, at the expense of strength. Cracks originate in different positions of PMMCS layer and then connect with each other along the direction which perpendicular to the stress. The existence of ZW31 alloy layer inhibits the propagation of crack and is propitious to improve the ductility of ZW31/PMMCs laminate.
机译：在目前的工作中，将延性Mg-Zn-Y合金（ZW31）引入10μm15Vol％SiCP / AZ91复合材料（PMMC）中，以协调轧制过程中PMMC的变形，然后ZW31 / PMCS层压板成功制备类似于1mm的厚度。研究了退火过程前后卷ZW31 / PMMCS层压体的微观结构和机械性能，结果表明，ZW31合金层的存在可以通过形成的双胞胎形成PMMCS层的能量并减轻胁迫浓度，这不是只突破PMMCS难度差的瓶颈，而且也可以使PMMCS滚动滚动。在随后的退火过程中，ZW31合金层和PMMCS层的再结晶行为完全不同。对于ZW31合金层，通过孪生诱导的重结晶，而与引入的颗粒有关的PMMC层中的重结晶。典型的轧制纹理形成在ZW31 / PMMC层压板中，其强度主要由ZW31合金控制。退火过程的应用改善了ZW31 / PMMCS层压板的伸长，但是以牺牲强度为代价。裂缝起源于PMMCS层的不同位置，然后沿垂直于应力的方向彼此连接。 ZW31合金层的存在抑制了裂缝的传播，并且有利于改善ZW31 / PMCS层压板的延展性。

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  • 来源
    《Materials Science and Engineering》 |2019年第jul22期|138043.1-138043.10|共10页
  • 作者

    Zhang Xuan-chang; Wang Cui-ju; Deng Kun-kun; Nie Kai-bo; Gan Wei-min; Liang Wei; Wu Yu-cheng;

  • 作者单位

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

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

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

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

    Helmholtz Zentrum Geesthacht Inst Mat Res Geesthacht Germany;

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

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

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  • 正文语种 eng
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  • 关键词

    Particle reinforced magnesium matrix composites; Rolling; Microstructure; Texture; Mechanical properties;

    机译：颗粒增强镁基复合材料;轧制;微观结构;纹理;机械性能;

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