熱間せん断変形条件が微細組織形成におよぼす影響

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書誌事項

タイトル別名
  • Effect of Hot Shear Deformation on Microstructure Formation
  • ネツカン セン ダンヘンケイ ジョウケン ガ ビサイ ソシキ ケイセイ ニ オヨボス エイキョウ

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説明

<p>A new physical simulation method for evaluating the effect of shear deformation on the evolution of a microstructure is proposed using niobium-bearing steel. The effects of the processing conditions, such as pre-heat treatment, strain rate, and cooling rate, on the formation of ultrafine grains were experimentally examined by the shearing method named the “interrupt shearing test”. This method utilizes a high-speed compression testing machine and is capable of simulating the formation of fine grained steel in the phase transformation procedure. Large shear deformation has been reproduced by the proposed method, and a grain size of approximately 1μm has been obtained by controlled mist cooling.</p>

収録刊行物

  • 塑性と加工

    塑性と加工 60 (703), 215-220, 2019

    一般社団法人 日本塑性加工学会

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