The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.

采用粉法制备了微米尺寸和准纳米尺寸氧化镧粒子增强合。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉虽然从根本上解决了碳化物偏析和粗题，但其工艺复杂，成本过高，应用受到限制。