The microstrure and performance of magnetronic sputtering deposited(MSD) coatings of hot corrosion resistant MCrAlY(M=Ni, Co or NiCo)-JR1(Ni40Cr10 A10.3Y), JR3(Co25Cr10A10.4Y)and JR4(Ni20Cr10A10.3Y0.8Si)have been studied.

• 本工作研究了JR1(Ni40Cr10A10.；3Y)、JR3(Co25Cr10A10