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Dependence of nanoindentation hardness with crystallographic orientation of austenite grains in metastable stainless steels

机译:亚稳不锈钢中纳米压痕硬度与奥氏体晶粒结晶学取向的关系

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摘要

The mechanical behaviour of a metastable austenitic stainless steel has been studied by means of nanoindentation of individual grains. Hardness, elastic modulus and estimation of wear resistance were determined as a function of crystallographic orientation. Electron backscattered diffraction, atomic force microscopy and focused ion beam analysis was performed at the residual imprints. Results show that austenitic grains display an anisotropic behaviour as regard as hardness in contrast with the elastic modulus which remained constant and equal to 200 GPa.
机译:亚稳态奥氏体不锈钢的力学行为已通过单个晶粒的纳米压痕进行了研究。确定硬度,弹性模量和估计的耐磨性作为晶体学取向的函数。在残留印记上进行电子背散射衍射,原子力显微镜和聚焦离子束分析。结果表明,奥氏体晶粒在硬度方面表现出各向异性,而弹性模量保持恒定并等于200 GPa。

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  • 来源
    《Materials Science and Engineering》 |2015年第1期|188-195|共8页
  • 作者单位

    CIEFMA - Departament de Ciencia dels Materials i Engineria Metal · lurgica, ETSEIB, Universitat Politecnica de Catalunya, Avda. Diagonal 647, 08028 Barcelona, Spain,CRnE, Campus Diagonal Sud, Edifici C', Universitat Politecnica de Catalunya, C/ Pascual i Vila 15, 08028 Barcelona, Spain;

    CIEFMA - Departament de Ciencia dels Materials i Engineria Metal · lurgica, ETSEIB, Universitat Politecnica de Catalunya, Avda. Diagonal 647, 08028 Barcelona, Spain,CRnE, Campus Diagonal Sud, Edifici C', Universitat Politecnica de Catalunya, C/ Pascual i Vila 15, 08028 Barcelona, Spain;

    CIEFMA - Departament de Ciencia dels Materials i Engineria Metal · lurgica, ETSEIB, Universitat Politecnica de Catalunya, Avda. Diagonal 647, 08028 Barcelona, Spain,CRnE, Campus Diagonal Sud, Edifici C', Universitat Politecnica de Catalunya, C/ Pascual i Vila 15, 08028 Barcelona, Spain;

    CIEFMA - Departament de Ciencia dels Materials i Engineria Metal · lurgica, ETSEIB, Universitat Politecnica de Catalunya, Avda. Diagonal 647, 08028 Barcelona, Spain,CRnE, Campus Diagonal Sud, Edifici C', Universitat Politecnica de Catalunya, C/ Pascual i Vila 15, 08028 Barcelona, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metastable steel; AISI 301LN; Nanoindentation; Mechanical anisotropy; Statistical method; Wear resistance;

    机译:亚稳钢;AISI 301LN;纳米压痕机械各向异性统计方法;耐磨性;

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