熔模铸造条件下Ti6Al4V合金铸件与陶瓷型壳间界面换热系数研究*
邵珩1,李岩2,南海2,许庆彦1(
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RESEARCH ON THE INTERFACIAL HEAT TRANSFER COEFFECIENT BETWEEN CASTING AND CERAMIC SHELL IN INVESTMENT CASTING PROCESS OF Ti6Al4V ALLOY
Heng SHAO1,Yan LI2,Hai NAN2,Qingyan XU1()
)
图8. 假定铸型材料热扩散率(a)发生偏差时计算得到的h与模拟温度
Fig.8. Calculated h based on conditions C and D (when assumed the thermal diffusivity of the shell deviate (a) is 20% smaller and bigger than the real a) (a) and temperatures based on condition C (b)
