亜共析鋼のレーザ変態硬化過程の解析 : 第1報, 温度履歴-組織変化連成問題の定式化と数値計算法

概要

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Coupling effects between the temperature field and the structural changes are considered in the analysis of the laser transformation hardening process. The volume fractions of the structural components, the latent heat during the phase transformation and structure dependence of the thermophysical properties are introduced during the iterational calculations of the temperature distribution and the structural changes. The carbon content, mean value of the grain size of the prior austentite, and the size and the interlamellar spacing of the pearlite colony are input for the initial parameters. Numerical computations are carried out by the finite element method, and the hardness distribution in HAZ can be also obtained
社団法人溶接学会の論文
1991-02-05