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Low-Temperature Carbide Transformation in Pearlite of Medium-Carbon Steels
Steel in Translation Pub Date : 2021-01-27 , DOI: 10.3103/s0967091220090041
S. V. Davydov

Abstract

Metallographic studies of annealed medium-carbon steels (45, 40Kh, and 35KhGSA) showed that there is low-temperature peritectoid carbide transformation of pearlite of these steels, in which solid solutions of ferrite and cementite form solid solution with a broad homogeneity range on the basis of ε-carbide Fe2C. It was suggested to plot the horizontal line of peritectoid transformation at the temperature of 382°C and the horizontal line of peritectoid transformation of cementite at 1650°C on the Fe–C diagram of state.



中文翻译:

中碳钢珠光体中的低温碳化物转变

摘要

对退火的中碳钢(45、40Kh和35KhGSA)的金相研究表明,这些钢的珠光体存在低温蠕变碳化物相变,其中铁素体和渗碳体的固溶体形成了均匀范围较宽的固溶体。根据ε-碳化物Fe 2 C的理论基础,建议在Fe–C状态图上绘制在382°C的温度下的蠕变转变的水平线和在1650°C的渗碳体的蠕变转变的水平线。

更新日期:2021-01-28
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