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首页> 外文期刊>Materials Science and Engineering >Detecting mechanical properties of microstructure units in Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy
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Detecting mechanical properties of microstructure units in Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy

机译：Ti-6.5Al-3.5Mo-1.5Zr-0.3Si合金中显微组织单元的力学性能检测

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摘要

Strengths of microstructure units (i.e. α/β lamellae, colony boundary and prior β grain boundary) in the α/β lamellar-structured Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy were examined using microindentation testing. Combining with the EBSD characterization, the relationship between the strength and the crystallographic orientation of the microstructure units was analyzed. The results show that the orientation of the a phase in α/β lamellae dominates the strength of the colony. The strength of the colony boundary can be determined by the strengths of the bilaterial colonies, following a rule of mixtures. Furthermore, the critical resolved shear stresses for the prismatic and the basal slip systems in the Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy are evaluated based on the microindentation data.
机译：使用微压痕测试检查了α/β层状结构Ti-6.5Al-3.5Mo-1.5Zr-0.3Si合金中的微结构单元（即α/β薄片，菌落边界和先前的β晶界）的强度。结合EBSD表征，分析了强度和微观结构单元的晶体学取向之间的关系。结果表明，α/β薄片中a相的取向支配着菌落的强度。遵循混合规则，可以通过双侧菌落的强度来确定菌落边界的强度。此外，基于微压痕数据评估了Ti-6.5Al-3.5Mo-1.5Zr-0.3Si合金中棱柱形和基体滑移系统的临界解析剪切应力。

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  • 来源
    《Materials Science and Engineering》 |2014年第3期|84-88|共5页
  • 作者

    J. Yang; Z.M. Song; L.M. Lei; G.P. Zhang;

  • 作者单位

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    AVIC commercial Aircraft Engine Co., Ltd., Shanghai 200241, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Ti alloy; Crystallographic orientation; Strength; Microstructure; Microindentation;

    机译：钛合金晶体学取向;强度;微观结构微压痕;

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