The thermal conductivity,density and specific heat capacity of shell for titanium alloy investment casting were measured,providing parameter support for numerical simulation of shell baking temperature field.A reverse trans-formation of traditional solidification cooling theory was carried out to develop a solution for investment casting shell baking,and a heating model for high-temperature baking process of the shell was established to simulate the heating and cooling processes of baking process.Based on geometric modeling of casting,the automatic generation of shell geo-metric modeling was realized.Taking the complex thin-walled skeleton shell for titanium alloy casting as object,the temperature variation law of baking process was simulated and analyzed.The results indicate that the established shell baking model gives a better description of the variation law of baking temperature.
NETL
NSTL
万方数据
