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首页> 外文期刊>ISIJ international >Effect of Magnetic Field on Successive γ→ε′→α′ Isothermal Martensitic Transformation in a SUS304L Stainless Steel
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Effect of Magnetic Field on Successive γ→ε′→α′ Isothermal Martensitic Transformation in a SUS304L Stainless Steel

机译：磁场对SUS304L不锈钢连续γ→ε'→α'等温马氏体转变的影响

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摘要

Effect of magnetic field on the TTT diagram of a successive γ →ε ′→α ′ isothermal martensitic transformation in a solution-treated SUS304L stainless steel has been investigated. The TTT diagram corresponding to 0.5 vol.% transformation of the α ′ martensite induced in the ε ′ phase shows a C-curve under a magnetic field (0–7T) with a nose temperature located at 103 K. Incubation time of the successive γ →ε ′→α ′ martensitic transformation shortens as the strength of magnetic field increases although the nose temperature does not depend on the magnetic field. Moreover, the width of the ε ′ martensite including α ′ martensite becomes thinner as the strength of the applied magnetic field increases at a fixed temperature. This result implies that the potential barrier for the ε ′→α ′ transformation decreases with increasing magnetic field. We have explained this behaviour based on a model previously proposed by our group.
机译：研究了磁场对固溶处理的SUS304L不锈钢中连续γ→ε′→α′等温马氏体相变的TTT图的影响。 TTT图对应于在ε′相中感应的α′马氏体的0.5 vol。％转变，显示了在磁场温度（0-7T）下的C曲线，鼻温位于103K。尽管鼻温度不依赖于磁场，但随着磁场强度的增加，相继的γ→<ε>′′→α'的马氏体转变的潜伏期缩短。此外，随着所施加的磁场的强度在固定温度下增加，包括αi′的马氏体的εi′的马氏体的宽度变薄。该结果表明，随着磁场的增加，用于ε'→α'变换的势垒减小。我们已经根据我们小组先前提出的模型来解释了这种行为。

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