论文部分内容阅读
日本大同工业大学机械工程系的酒井义文教授开发出能耐1830℃的高温而且具有耐氧化性的超耐热合金。这种以钼为主的微粒经加热加压烧结而成的钼硅化物系耐热材料,可望用作航宇结构材料和节能用高效燃气涡轮机叶片材料。新合金的制造方法是将铂、铝、硅等混合的粉末在真空中(或情性气体中)搅拌,研碎至直径1~2微米的粉末。这种粉末经冷加工成形,在真空(或惰性气体保护)条件下、
Sakai Yoshinobu, a professor of mechanical engineering at Datong University of Technology, Japan, developed superalloys that are resistant to oxidation at temperatures up to 1830 ° C. The molybdenum silicide-based heat-resisting material made of molybdenum-based particles heated and pressure-sintered is expected to be used as an aerospace structural material and an energy-saving high-efficiency gas turbine blade material. The new alloy is produced by mixing a mixed powder of platinum, aluminum, silicon and the like in a vacuum (or in an inert gas) and pulverizing to a powder having a diameter of 1 to 2 μm. This powder is cold formed, under vacuum (or inert gas protection) conditions,