Preparation method of wear-resistant and corrosion-resistant laser cladding repair layer on surface of roller
The invention discloses a preparation method of a wear-resistant and corrosion-resistant laser cladding repair layer on the surface of a roller. The preparation method comprises the following steps: blending basic Ni alloy powder; blending to assist in generating in-situ authigenic reinforced phase...
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| creator | LI DONGHUI GAO YAN WANG FACANG LI WEI FAN YI |
| description | The invention discloses a preparation method of a wear-resistant and corrosion-resistant laser cladding repair layer on the surface of a roller. The preparation method comprises the following steps: blending basic Ni alloy powder; blending to assist in generating in-situ authigenic reinforced phase powder, and proportioning B4C powder and Ti powder according to the molar ratio of B4C to Ti being 1: (5-3); adding auxiliary generation in-situ synthesis reinforced phase powder into the basic Ni alloy powder; mixing and drying the prepared powder; adding the dried powder into a 5% PVA solution, preparing the mixture into paste, coating the surface of a to-be-repaired roller with the paste, and forming a prefabricated layer; and the coated prefabricated layer is subjected to laser scanning cladding and then naturally cooled to the room temperature, removing a black oxide layer on the surface of a cladding layer, and then polishing the cladding layer to be flush with the original surface of the roller. By means of |
| format | Patent |
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The preparation method comprises the following steps: blending basic Ni alloy powder; blending to assist in generating in-situ authigenic reinforced phase powder, and proportioning B4C powder and Ti powder according to the molar ratio of B4C to Ti being 1: (5-3); adding auxiliary generation in-situ synthesis reinforced phase powder into the basic Ni alloy powder; mixing and drying the prepared powder; adding the dried powder into a 5% PVA solution, preparing the mixture into paste, coating the surface of a to-be-repaired roller with the paste, and forming a prefabricated layer; and the coated prefabricated layer is subjected to laser scanning cladding and then naturally cooled to the room temperature, removing a black oxide layer on the surface of a cladding layer, and then polishing the cladding layer to be flush with the original surface of the roller. 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The preparation method comprises the following steps: blending basic Ni alloy powder; blending to assist in generating in-situ authigenic reinforced phase powder, and proportioning B4C powder and Ti powder according to the molar ratio of B4C to Ti being 1: (5-3); adding auxiliary generation in-situ synthesis reinforced phase powder into the basic Ni alloy powder; mixing and drying the prepared powder; adding the dried powder into a 5% PVA solution, preparing the mixture into paste, coating the surface of a to-be-repaired roller with the paste, and forming a prefabricated layer; and the coated prefabricated layer is subjected to laser scanning cladding and then naturally cooled to the room temperature, removing a black oxide layer on the surface of a cladding layer, and then polishing the cladding layer to be flush with the original surface of the roller. 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| language | chi ; eng |
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| subjects | ALLOYS 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 METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Preparation method of wear-resistant and corrosion-resistant laser cladding repair layer on surface of roller |
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