The Study of Previous Powder-Particle Boundary Carbides

Li Huiying; Hu Benfu; Zhang Shouhua

doi:10.13374/j.issn1001-053x.1987.s1.006

Volume 9 Issue S1

Oct. 2021

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Li Huiying, Hu Benfu, Zhang Shouhua. The Study of Previous Powder-Particle Boundary Carbides[J]. Chinese Journal of Engineering, 1987, 9(S1): 40-49. doi: 10.13374/j.issn1001-053x.1987.s1.006

Citation:

Li Huiying, Hu Benfu, Zhang Shouhua. The Study of Previous Powder-Particle Boundary Carbides[J]. Chinese Journal of Engineering, 1987, 9(S1): 40-49. doi: 10.13374/j.issn1001-053x.1987.s1.006

Li Huiying, Hu Benfu, Zhang Shouhua. The Study of Previous Powder-Particle Boundary Carbides[J]. Chinese Journal of Engineering, 1987, 9(S1): 40-49. doi: 10.13374/j.issn1001-053x.1987.s1.006

Citation:

Li Huiying, Hu Benfu, Zhang Shouhua. The Study of Previous Powder-Particle Boundary Carbides[J]. Chinese Journal of Engineering, 1987, 9(S1): 40-49. doi: 10.13374/j.issn1001-053x.1987.s1.006

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The Study of Previous Powder-Particle Boundary Carbides

doi: 10.13374/j.issn1001-053x.1987.s1.006

Available Online: 2021-10-28
Publish Date: 2021-10-28

Abstract

Abstract

The problem of previour powder-particle boundary (PPB) was studied in a nickel-base P/M superalloy FGH95. The results indicate that carbides begin to form on the powder surface while atomization and continue to precipitate and grow into continous networks during HIP-consolidation. As a result of complex composition of carbides the different type carbides interact probably. The amount of PPB precipitation increases significantly during post-HIP heat treatment. The formation of PPB carbides is related to the amount of residual oxygen or oxygen contamination in alloy.