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首页> 外文期刊>Materials Science and Engineering >Microstructural evolution and final properties of a cold-swaged multifunctional Ti-Nb-Ta-Zr-0 alloy produced by a powder metallurgy route
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Microstructural evolution and final properties of a cold-swaged multifunctional Ti-Nb-Ta-Zr-0 alloy produced by a powder metallurgy route

机译：粉末冶金法生产的冷弯多功能Ti-Nb-Ta-Zr-0合金的组织演变和最终性能

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摘要

Body centred cubic (BCC) p-phase multifunctional titanium alloys have been developed with a very unique combination of thermal and mechanical properties. In this investigation, a very low porosity Ti-36.8-Nb-2.7Zr-2.0Ta-0.44O (wt％) alloy was produced by powder sintering, hot forging, solution treatment and cold swaging. X-ray diffraction and transmission electron microscopy (TEM) of the solution treated alloy revealed the presence of a small amount of ω-phase in a predominantly BCC β-phase matrix. Electron backscatter diffraction (EBSD) of the swaged alloy revealed a highly elongated and fragmented microstructure, and a strong 〈110〉 fibre texture. TEM also revealed the existence of stress-induced twin lamella, dislocations and
机译：体心立方（BCC）p相多功能钛合金已经开发出，具有非常独特的热和机械性能组合。在这项研究中，通过粉末烧结，热锻，固溶处理和冷锻工艺生产了孔隙率极低的Ti-36.8-Nb-2.7Zr-2.0Ta-0.44O（wt％）合金。固溶处理的合金的X射线衍射和透射电子显微镜（TEM）显示，在主要为BCCβ相的基质中存在少量ω相。锻造合金的电子背散射衍射（EBSD）显示出高度伸长和破碎的微观结构，以及很强的<110>纤维织构。透射电镜还揭示了应力诱导的孪晶片，位错和

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  • 来源
    《Materials Science and Engineering 》 |2013年第15期| 206-216| 共11页
  • 作者

    W. Guo; M.Z. Quadir; S. Moricca; T. Eddows; M. Ferry;

  • 作者单位

    School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia,Australian Research Council Centre of Excellence for Design in Light Metals, Australia;

    School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia,Australian Research Council Centre of Excellence for Design in Light Metals, Australia,Electron Microscope Unit, University of New South Wales, NSW 2052, Australia;

    Institute of Materials Engineering, Australian Nuclear Science and Technology Organization (ANSTO), NSW 2232, Australia;

    Institute of Materials Engineering, Australian Nuclear Science and Technology Organization (ANSTO), NSW 2232, Australia;

    School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia,Australian Research Council Centre of Excellence for Design in Light Metals, Australia;

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  • 正文语种 eng
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  • 关键词

    Cum Metal; Multifunctional titanium alloy; Forging; Swaging; Microstructure and texture; Mechanical properties;

    机译：暨金属;多功能钛合金;锻造;型锻微观结构和质地;机械性能;

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