Development and research status of Ni-base superalloy

Ni-base superalloy is a kind of the most complex alloy,it was used widely as higher temperature components.Its relative applied temperature is the highest in common alloy series.From the developing history of superalloy,it experienced four steps:wrought superalloy、C.C.superalloy、D.S. superalloy、S.C.superalloy.The development and research method of the alloy design was presented.In this paper,and the effect of material physical properties due to elements deflection was discussed too.