Abstract
The relation between the quenching properties and thermal properties-specific heat, evaporation heat, thermal conductivity and vapor pressure, etc.-was investigated for mineral oils and known hydrocarbons of low molecular weight.
The quenching properties of mineral oils are better when the specific heat and the thermal conductivity are largger, and the evaporation heat and vapor pressure smaller, but each cannot explain perfectly the three stages of quenching curves.
T1 is dependent linearly on the critical temperature. The critical temperature, dry point, initial boiling point, viscosity and surfactant qualities controll the quenching properties.
