In-situ multi-phase strengthening and toughening nickel-based alloy composite material and preparation method thereof

The invention discloses an in-situ multiphase strengthening and toughening nickel-based alloy composite material and a preparation method thereof.The nickel-based alloy composite material comprises a nickel-based alloy matrix, an in-situ reinforcement phase WC, Al2O3 and a toughening phase W2AlC, th...

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Hauptverfasser:	CHEN YI, YANG ZHILIE, LIU AIHUI, ZHENG JIANWEN, XIA MUJIAN, LUO QIXIN, SUN JING, WANG HUALING, LI NIANLIAN, ZHU YUFU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ALLOYS CASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention discloses an in-situ multiphase strengthening and toughening nickel-based alloy composite material and a preparation method thereof.The nickel-based alloy composite material comprises a nickel-based alloy matrix, an in-situ reinforcement phase WC, Al2O3 and a toughening phase W2AlC, the in-situ reinforcement phase WC and the Al2O3 are distributed on the nickel-based alloy matrix, and the preparation method comprises the steps that (1) WO3 powder and Al powder are subjected to ball milling and mixing to form WO3/Al mixed powder; (2) sputtering a carbon layer on the surface of the WO3/Al mixed powder by adopting an ion sputtering process to obtain WO3/Al mixed powder wrapped by the carbon layer; (3) ball-milling and mixing the WO3/Al mixed powder wrapped by the carbon layer and nickel-based alloy powder to obtain nickel-based alloy composite material powder; and (4) in an argon protection environment, a selective laser melting process is adopted, high-energy laser beams are used for conducting swe