论文部分内容阅读
一、概述把熔融的金属从液态以10~6～10~(11)°K/秒的冷却速度凝固下来的技术叫液态急冷技术。金属与合金从一种相到另一相的转变主要决定于加热温度及冷却速度,而冷却速度又起着决定性的作用。上述参量的改变使得金属材料获得差别很大的微观组织和结构。这可使材料具有不同的物理化学性能。钢中马氏体转变就是一例。
First, an overview of the molten metal from the liquid to 10 ~ 6 ~ 10 ~ (11) ° K / sec cooling rate of solidification technology called liquid quenching technology. The transition of metals and alloys from one phase to the other depends primarily on the heating temperature and the cooling rate, which in turn plays a decisive role. Changes in these parameters make the metal material to obtain very different microstructures and structures. This allows the material to have different physicochemical properties. Martensitic transformation in steel is an example.