公开(公告)号：US11850659B2

公开(公告)日：2023-12-26

申请号：US17486062

申请日：2021-09-27

Applicant: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Hongxi Liu ,  Jingzhou Liu ,  Xuanhong Hao ,  Yingnan Di ,  Jianquan Lin

IPC: B22F1/054 ,  B22F1/107 ,  C23C24/10 ,  B23K26/34 ,  C22C30/00 ,  B23K26/60 ,  B23K26/00

CPC classification number: B22F1/054 ,  B22F1/107 ,  B23K26/0006 ,  B23K26/34 ,  B23K26/60 ,  C22C30/00 ,  C23C24/103 ,  C23C24/106 ,  B22F2301/15

Abstract: The present disclosure discloses a high-entropy alloy powder for laser cladding and a use method thereof. The alloy powder is CoCrFeMnNiCx, and x has a value of 0.1-0.15. The specific method includes: subjecting a 45 steel substrate to surface pretreatment, mixing the weighed CoCrFeMnNi high-entropy alloy powder with different content of a nano-C powder uniformly and pre-placed on the pre-treated substrate surface to form a prefabricated layer, then placing the prefabricated layer at 80-90° C. for constant temperature treatment for 8-12 h, and under a protective atmosphere, subjecting the cladding powder to laser cladding on the surface of the 45 steel. The method of the present disclosure prepares a CoCrFeMnNiCx high-entropy alloy coating with performance superior to the CoCrFeMnNi high-entropy alloy coating.