鋼の焼入れと低温焼もどしにおける組織変化と応力の解析

概要

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Constitutive relations of thermoelastic-plastic material undergoing phase trantsformation during heat treatment were developed on the basis of continuum thermodynamics. The interaction between temperature and metallic structures was carefully discussed to obtain the heat conduction equation including latent heat due to phase transformation. The structure and temperature distributions were numerically calculated by the finite element technique after determining the rate equation for each structure from the data of dilatation-temperature-time diagrams. Variations of stresses were also analyzed for solid cylinders of S45C and SCM-3 steels during quenching and tempering processes. The calculated results of transformation kinetics and residual stresses were compared with the experimental data measured by a microscope and X-ray diffraction method, respectively.
社団法人日本材料学会の論文
1980-12-15