Li Huiying, Hu Benfu, Zhang Shouhua. Precipitation in Ar-Atomized Nickel-base Superalloy Powders[J]. Chinese Journal of Engineering, 1987, 9(S1): 29-39. DOI: 10.13374/j.issn1001-053x.1987.s1.005
Citation: Li Huiying, Hu Benfu, Zhang Shouhua. Precipitation in Ar-Atomized Nickel-base Superalloy Powders[J]. Chinese Journal of Engineering, 1987, 9(S1): 29-39. DOI: 10.13374/j.issn1001-053x.1987.s1.005
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Precipitation in Ar-Atomized Nickel-base Superalloy Powders

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  • The precipitation phases present in argon-atomized FGH95 superalloy powders were studied by X-ray diffraction, transmission electron microscopy and X-ray energy dispersive spectra techniques.
    The major precipitate Phase in the interior of the powder particles is identified as MC-type carbides containing Nb and Ti with some Cr,Ni, Mo and W.The morphology of MC-type carbides may be related to the composition of the alloy and the condition of its solidification.Minor Phases,such as Laves phase, primary γ' phase and boride phase are also present.
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