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首页> 外文期刊>Scripta materialia >The role of nano-scaled structural non-uniformities on deformation twinning and stress-induced transformation in a cold rolled multifunctional beta-titanium alloy
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The role of nano-scaled structural non-uniformities on deformation twinning and stress-induced transformation in a cold rolled multifunctional beta-titanium alloy

机译：纳米结构非均匀性对冷轧多功能β-钛合金变形孪氮和应力诱导的作用

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摘要

The microstructure in a multifunctional beta-titanium alloy, Ti-24Nb-4Zr-8Sn (wt%), before and after cold rolling was investigated using conventional and aberration-corrected scanning/transmission electron microscopy. With the presence of nano-scaled orthorhombic phase (O') and hexagonal phase (omega), primary (332)<113>(beta) deformation twins were activated during cold rolling with a thin layer of orthorhombic martensite (alpha '') occupying every twin boundary. In the interior of primary twins, nano-scaled alpha '' particles were observed, together with secondary {112}<111>(beta) twins. Our work may indicate that the preformed nano-scaled 0' phase assists in activating the {332)<113>(beta) deformation twining and O' phase transforms to nano-scaled stress-induced alpha '' during cold rolling. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
机译：使用常规和像差校正的扫描/透射电子显微镜研究了多功能β-钛合金，Ti-24NB-4ZR-8SN（WT％），在冷轧之前和之后的微观结构。 随着纳米缩放的正交相（O'）和六边形相（OMEGA），在冷轧过程中激活初级（332）<113>（β）变形双胞胎，其占用的薄层（alpha''）占据 每个双胞胎边界。 在原发性双胞胎的内部，观察纳米缩放的α'颗粒，与次级{112} <111>双胞胎一起观察。 我们的作品可能表明，预先形成的纳米缩放0'相的辅助激活{332）<113>（β）变形缠绕和O'相变为冷轧期间纳米缩放应力诱导的α'。 （c）2019年Acta Materialia Inc.出版By Elsevier Ltd.保留所有权利。

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  • 来源
    《Scripta materialia》 |2020年第2020期|共5页
  • 作者

    Liang Qianglong; Kloenne Zachary; Zheng Yufeng; Wang Dong; Antonov Stoichko; Gao Yipeng; Hao Yulin; Yang Rui; Wang Yunzhi; Fraser Hamish L.;

  • 作者单位

    Xi An Jiao Tong Univ Ctr Microstruct Sci Frontier Inst Sci &

    Technol State Key Lab Mech Behav Mat Xian Shannxi Peoples R China;

    Ohio State Univ Ctr Accelerated Maturat Mat CAMM Columbus OH 43210 USA;

    Ohio State Univ Ctr Accelerated Maturat Mat CAMM Columbus OH 43210 USA;

    Xi An Jiao Tong Univ Ctr Microstruct Sci Frontier Inst Sci &

    Technol State Key Lab Mech Behav Mat Xian Shannxi Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn State Key Lab Adv Met &

    Mat Beijing Peoples R China;

    Ohio State Univ Dept Mat Sci &

    Engn 116 W 19Th Ave Columbus OH 43210 USA;

    Chinese Acad Sci Inst Met Res Shenyang Liaoning Peoples R China;

    Chinese Acad Sci Inst Met Res Shenyang Liaoning Peoples R China;

    Ohio State Univ Ctr Accelerated Maturat Mat CAMM Columbus OH 43210 USA;

    Ohio State Univ Ctr Accelerated Maturat Mat CAMM Columbus OH 43210 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 冶金工业;
  • 关键词

    Titanium alloys; Deformation twinning; Stress-induced alpha '' martensite; Stress-induced omega phase; O ' phase;

    机译：钛合金;变形孪生;应激诱导的α'的马氏体;应激诱导的ω相;o'阶段;

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