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钢的过冷奥氏体等温转变图形(即“S”或“C”曲线),是正确使用钢铁材料为生产斗争和科学实验服务的重要资料,也是研究钢铁固态相变的全面总结。通过这种图形,不仅可以看出钢中碳及合金元素对合金相变的影响情况,为研制新合金钢提供参考,而且在很大程度上也指导着钢的热处理操作。因此,必须重视积累钢中过冷奥氏体等温转变图形的工作。制作钢的过冷奥氏体等温转变图形,是一项细致
The subcooling austenite isothermal transformation of steel (ie, the “S” or “C” curve) is an important piece of information on the proper use of steel for service and scientific experimentation. It is also a comprehensive study of the solid state transformation of steel to sum up. Through this graph, we can not only see the impact of carbon and alloying elements on the phase transformation of the alloy, but also provide a reference for the development of new alloy steel, and to a large extent also guide the heat treatment operation of steel. Therefore, we must attach importance to the accumulation of cold austenite in steel isothermal transformation graphics work. The production of cold austenite isothermal transformation of steel graphics is a meticulous