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首页> 外文期刊>Materials Science and Engineering >Microstructure and mechanical properties of in situ TiC/Ti composites with a laminated structure synthesized by spark plasma sintering
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Microstructure and mechanical properties of in situ TiC/Ti composites with a laminated structure synthesized by spark plasma sintering

机译：采用火花等离子体烧结合成的层压结构的原位TiC / Ti复合材料的微观结构和力学性能

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摘要

A series of novel in situ TiC/Ti composites with laminated microstructure have been fabricated via electropho-retic deposition followed by spark plasma sintering (SPS), in which the electrophoretic deposition has been used to deposit graphene oxides (GOs) on commercially pure Ti foils and the SPS has been used to induce in situ reaction between Ti and GOs to form TiC and simultaneously achieve densification. With increasing deposition duration, the volume fraction of TiC reinforcement increases and the grain size of Ti matrix decreases in the as-sintered composites, resulting in continuous strength increment. Attributed to the introduction of TiC reinforcement and laminated structure, a strength increment of 93.9% can be reached with a considerable elongation of 6.1%. Moreover, different strengthening mechanisms are discussed and quantitatively evaluated based on microscopy analysis.
机译：通过电子视网膜沉积，采用电泳沉积（SPS），通过电泳沉积制造了一种具有层压微观结构的一系列新型具有层压微观结构的新型，其中电泳沉积已经用于在商业上纯的Ti箔上沉积石墨烯氧化物（GOS）并且SPS已被用于诱导Ti和GOS之间的原位反应，以形成TIC并同时实现致密化。随着沉积持续时间的增加，TiC增强的体积分数增加，Ti基质的晶粒尺寸在烧结复合材料中减小，导致连续强度增量。归因于引入TIC加固和层压结构，可以达到93.9％的强度增量，其伸长率为6.1％。此外，基于显微镜分析讨论和定量评估了不同的强化机制。

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  • 来源
    《Materials Science and Engineering》 |2021年第22期|141136.1-141136.9|共9页
  • 作者

    Chengxin Lei; Yan Du; Ming Zhu; Wangtu Huo; Hao Wu; Yusheng Zhang;

  • 作者单位

    School of Materials Science and Engineering Xi'an University of Science and Technology Xi 'an 710054 China Xi'an Rare Metal Materials Institute Co. Ltd Xi'an 710016 China;

    Northwest Institute for Nonferrous Metal Research Xi'an 710016 China;

    School of Materials Science and Engineering Xi'an University of Science and Technology Xi 'an 710054 China;

    Northwest Institute for Nonferrous Metal Research Xi'an 710016 China;

    Northwest Institute for Nonferrous Metal Research Xi'an 710016 China School of Materials Science and Engineering Northeastern University Shenyang 110819 China;

    Xi'an Rare Metal Materials Institute Co. Ltd Xi'an 710016 China;

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  • 正文语种 eng
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  • 关键词

    Titanium; Metal matrix composites; Laminated structure; Mechanical property; Microstructural evolution;

    机译：钛;金属基复合材料;层压结构;力学性质;微观结构演变;

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