本文在实验的基础上,分析了影响无机盐水溶液淬火介质冷却性能的各种因素。并从影响这些因素的规律中,发现了介质的浓度是主要因素。具有冷却性能优良的介质浓度只有在C_0～C_(10)之间才能获得。此时,该介质汽化热较大,粘度、沸点也较高,使介质高温冷速增大,低温冷速减慢,具有理想冷却曲线之形态。 本文对寻找及开发新型无机盐水溶液淬火介质提供了实验数据。 Based on the experiment, the paper analyzes various factors that affect the cooling performance of quenching media of inorganic salt solution. And from the rules that affect these factors, we found that the concentration of media is the main factor. Medium with excellent cooling performance can only be obtained between C_0 ~ C_ (10). At this moment, the medium has larger heat of vaporization, higher viscosity and boiling point, which increases the cooling rate of the medium at high temperature and slows the cooling at low temperature, and has the ideal cooling curve. This article provides experimental data for the search and development of new inorganic salt aqueous quenching media.