公开(公告)号：US20220134488A1

公开(公告)日：2022-05-05

申请号：US17058008

申请日：2020-05-11

Applicant: SHANDONG JIAOTONG UNIVERSITY

Inventor： Junsheng Meng ,  Xiaoping Shi ,  Shaojun Zhang ,  Mingyu Wang ,  Bingbing Liu ,  Mingxuan Chen

IPC: B23K35/02 ,  B23K35/30 ,  C23C4/131

Abstract: The disclosure belongs to the technical field of surface coating, and particularly relates to a flux-cored welding wire, a preparation method and use thereof, a porous coating and a preparation method thereof. The disclosure provides a flux-cored welding wire, including a core wire and a sheath, where the core wire includes the following components by mass percentage: 15.0-30.0% of Cr, 1.5-2.5% of Si, 5.0-10.0% of Ni, 1.0-5.0% of TiH2, and Fe as balance; and the sheath is made of steel. Test results of examples show that, the porous coating obtained by supersonic arc spraying the flux-cored welding wire provided by the disclosure has a porosity of up to 46% and a coating adhesive strength of 45 MPa, which are desired.