泡沫陶瓷过滤器在带冠导叶熔模铸造中的应用

Application of Ceramic Foam Filter in Investment Casting of Double Corona Stationary Blades

叙述了泡沫陶瓷过滤器在汽轮机带冠导叶铸造中的应用。使用泡沫陶瓷过滤器使除渣有显著效果，是获得少、无夹渣带冠导叶的一种有效途径。

Application of ceramic foam filter in investment casting of double stationary corona blades of turbines is described. The use of ceramic foam filter makes slag inclusion decrease greatly. It is an efficient way to obtain double corona stationary blades with little or no slag inclusion.