论文部分内容阅读
我厂承制的大型燃气轮机二级喷嘴叶片毛坯(图1)是用熔模精密铸造方法生产的,材料是高温合金,采用感应电炉熔炼,自由浇注。
The large-scale gas turbine secondary nozzle blade blank (Figure 1) made by our factory is produced by investment casting. The material is high temperature alloy, which is melted by induction electric furnace and freely poured.