公开(公告)号：US20170151637A1

公开(公告)日：2017-06-01

申请号：US15325530

申请日：2015-07-29

Applicant: UACJ Corporation

Inventor： Junichi ICHIKAWA ,  Tomoki YAMAYOSHI ,  Yasunaga ITOH ,  Yutaka YANAGAWA

IPC: B23K35/28 ,  C22C21/06 ,  B23K35/02 ,  C22C21/02 ,  B23K1/00 ,  B23K1/008

Abstract: A brazing sheet for brazing in an inert-gas atmosphere without using a flux has a core and a filler material clad to one side or both sides of the core. The core has a chemical composition that contains Mg: 0.35-0.8% (mass %; likewise hereinbelow), the remainder being composed of Al and unavoidable impurities. The filler material has a chemical composition that contains Si: 6-13% and Bi: 0.001-0.05% and Mg: limited less than 0.05%, the remainder being composed of Al and unavoidable impurities.