148 炭素鋼の初期降伏とバウシンガー効果に及ぼすミクロ組織形態の影響

概要

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Calculated results by the homogenization methods were compared with the observed results by TEM to validate that morphology of carbide in the microstructure affects the mechanical properties of high carbon steel in the vicinity of initial yield point. The material was 0.80Cmass% carbon steel, and behaviours of two steels prepared by different thermal treatment were compared; (1) perfectly pearlitic structure, and (2) spheroidized carbide structure. It was also shown that similar mechanism occurring in the microstructure in the vicinity of initial yield point also applies to the mechanism dominating the Bauschinger's effect of these two steels.
社団法人日本機械学会の論文
2002-10-10