熔模铸造模料本构方程的建立及其应用  

Establishment and Application of Constitution Equation on Investment Casting Wax Stock

作　　者：周铁涛[1] 韩昌仁[1] 柴增田[1] 王贵[1] 

机构地区：[1]北京航空航天大学一系,北京100083

出　　处：《铸造》2001年第2期78-80,共3页Foundry

基　　金：国家自然科学基金!资助项目 (599750 0 4 )

摘　　要：在实验基础上 ,采用幂律粘度模型建立了熔模铸造用模料的流动本构方程 ,将其应用到数值模拟系统中 ,成功地实现了对熔模铸造用模料充型过程的数值模拟。On the basis of experiment,by using the exponential viscous model,a flow constitution equation of the pattern material(wax stock)used in investment casting has been established.By applying it to the numerical simulation system,the numerical simulation on die filling process of the fusible pattern material(wax stock)used in investment casting has been successfully realized.

关 键 词：熔模铸造 模料 本构方程 粘度模型 数值模拟 充型过程 

分 类 号：TG248.5[金属学及工艺—铸造]