低炭素鋼の過時効後の時効特性に及ぼすMoの影響(物理的性質)

概要

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Aging behavior of low Carbon steel depends on over aging condition and chemical compositions. Over aged samples with Mo after quenching are tensile tested and the effect by Mo on aging parameters are investigated. The following results are obtained: 1) Bake Hardenability of Mo added samples show high value at early stage of over aging than as quenched samples, 2) Tensile strength and Yield strength of the samples with Mo show higher value than those of the sample without Mo for 230 ppm carbon steel, 3) Snoek Peak Height of the samples with Mo show lower value than those of the sample without Mo for 70ppm carbon steel, but show higher for 230 ppm carbon steel. 4) These phenomena can be explained by assuming the presence of Mo-C-Va cluster which are made during quenching.
社団法人日本鉄鋼協会の論文
2005-02-01