高マンガン鋼の冷間圧延組織の電子顕微鏡観察

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タイトル別名
  • Transmission Electron Microscope Study of Cold-Rolled Hadfield Steels
  • コウマンガン コウ ノ レイカン アツエン ソシキ ノ デンシ ケンビキョウ カンサツ

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抄録

The structure of cold-rolled Hadfield steels (1.17%C, 12.48%Mn) subjected to 30% cold-rolling at room temperature has been studied by means of transmission electron microscopy. In the electron micrograph a number of parallel fine bands (50∼100Å) are found, in addition to stacking faults and plates of ε-martensite (called ε′-phase) which were previously observed. From the result of the analysis by selected-area electron diffraction, the fine bands newly found are interpreted as deformation twins formed on (111) planes of the matrix. The formation of such fine deformation twins is considered to cause the work hardening of Hadfield steel with the ε′-phase and the stacking faults.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (7), 403-407, 1964

    公益社団法人 日本金属学会

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