単結晶鉄におけるヤング率と弾性スティフネス

    研究成果: ジャーナルへの寄稿学術誌査読

    抄録

    Elastic stiffness c11, c12 and c44 are key parameters in the analysis of elastic deformation behaviors. In order to determine the values of these parameters, Young's modulus of single crystal; E100, E110 and E111 are needed as well as Young' modulus Ep and Poisson's ratio ν in poly-crystal. In this paper, the values of Young's modulus in single crystalline iron are summarized and then elastic stiffness was estimated for pure iron under the conditions; Ep=208.2 GPa and ν=0.291 that are reliable values for isotropic poly-crystalline iron. As a result, it is found that Young's modulus of single crystalline iron should be as follows: E100=127.8 GPa, E110=214.3 GPa, E111=276.6 GPa. From these values, elastic stiffness of iron is calculated at c11=228.1 GPa, c12=135.0 GPa, c44=113.2 GPa. Diffraction Young's modulus of iron can be estimated on the basis of Kröner model by applying the values of elastic stiffness. It is also confirmed that the average value of diffraction Young's modulus agrees with the value of Young's modulus Ep (208.2 GPa) of ideal poly-crystalline iron.

    寄稿の翻訳タイトルYoung's modulus of single crystalline iron and elastic stiffness
    本文言語日本語
    ページ(範囲)679-682
    ページ数4
    ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
    106
    9
    DOI
    出版ステータス出版済み - 9月 1 2020

    All Science Journal Classification (ASJC) codes

    • 凝縮系物理学
    • 物理化学および理論化学
    • 金属および合金
    • 材料化学

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