Preparation method of high-entropy alloy self-lubricating coating
The invention relates to a preparation method of a high-entropy alloy self-lubricating coating, which comprises the following steps: (1) carrying out polishing, sand blasting, ultrasonic cleaning and drying on the surface of a metal matrix by using a high-pressure sand blasting machine to obtain a p...
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| creator | LAO PEIQING CHEN JUANJUAN YANG DONGSHENG CHEN WENYUAN LIU WEIMIN YANG JUN CHENG JUN ZHU SHENGYU |
| description | The invention relates to a preparation method of a high-entropy alloy self-lubricating coating, which comprises the following steps: (1) carrying out polishing, sand blasting, ultrasonic cleaning and drying on the surface of a metal matrix by using a high-pressure sand blasting machine to obtain a pretreated metal matrix; (2) weighing 0 to 23 wt.% of Ag powder, 0 to 26 wt.% of CaF2/BaF2 irregular-shaped eutectic powder and the balance of spherical CrFeNiAl0. 3Ti0. 3 high-entropy alloy powder, and uniformly mixing by adopting a planetary ball mill to obtain thermal spraying composite powder; (3) loading NiCrAlY powder into a powder feeder, and spraying on the surface of the pretreated metal matrix by adopting an explosion spraying process to form a NiCrAlY transition layer; and (4) loading the thermal spraying composite powder into a powder feeder, and spraying the thermal spraying composite powder on the surface of the NiCrAlY transition layer by adopting an explosion spraying process to form the CrFeNiAl0. 3 |
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(2) weighing 0 to 23 wt.% of Ag powder, 0 to 26 wt.% of CaF2/BaF2 irregular-shaped eutectic powder and the balance of spherical CrFeNiAl0. 3Ti0. 3 high-entropy alloy powder, and uniformly mixing by adopting a planetary ball mill to obtain thermal spraying composite powder; (3) loading NiCrAlY powder into a powder feeder, and spraying on the surface of the pretreated metal matrix by adopting an explosion spraying process to form a NiCrAlY transition layer; and (4) loading the thermal spraying composite powder into a powder feeder, and spraying the thermal spraying composite powder on the surface of the NiCrAlY transition layer by adopting an explosion spraying process to form the CrFeNiAl0. 3</description><language>chi ; eng</language><subject>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 ; 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(2) weighing 0 to 23 wt.% of Ag powder, 0 to 26 wt.% of CaF2/BaF2 irregular-shaped eutectic powder and the balance of spherical CrFeNiAl0. 3Ti0. 3 high-entropy alloy powder, and uniformly mixing by adopting a planetary ball mill to obtain thermal spraying composite powder; (3) loading NiCrAlY powder into a powder feeder, and spraying on the surface of the pretreated metal matrix by adopting an explosion spraying process to form a NiCrAlY transition layer; and (4) loading the thermal spraying composite powder into a powder feeder, and spraying the thermal spraying composite powder on the surface of the NiCrAlY transition layer by adopting an explosion spraying process to form the CrFeNiAl0. 3</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN118064823A |
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| subjects | 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 |
| title | Preparation method of high-entropy alloy self-lubricating coating |
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