<正>The effects of electric field intensity and treatment temperature on the microstructures of GH4199 superalloy after long-term aging were investigated. The r
Iron-based powder metallurgy material was prepared by warm compaction at 125℃ using a compacting pressure of 700 Mpa.Sintering temperature ranging from 1100℃
<正>The effect of phosphorus on the oxidation resistance of low thermal expansion alloy IN909 was studied. The composition and structure of the oxidation layer
<正>A series of experimental studies were conducted on the recrystallization of directionally solidified cobalt-base superalloy DZ40M. It is found that the seco