Patent ID: 6214480
Filing Date: 2001-04-10
Classification: B23K,C22C,H02K,Y10T

Abstract:
An article made by joining two metal structural members by a binding layer interposed therebetween comprising, one of said two structural members being made of a permanent magnet including a rare earth element, the other of said two structural members being made of laminated metal sheets superposed one on another, and said binding layer being formed from a brazing filler metal, wherein said two structural members are joined together by heating to a temperature sufficient to cause a liquid phase in said binding layer and by producing mutually diffused areas between said one structural member and said binding layer and between said other structural member and said binding layer, respectively, by utilizing said liquid phase, and wherein said brazing filler metal forming said binding layer contains a rare earth element RE in a content of RE.gtoreq.50 atom % Cu in a content of 20 atom %.ltoreq.Cu.ltoreq.40 atom %, and an alloy element AE in a content of 0 atom %<AE.ltoreq.20 atom %, said rare earth element RE is at least one element selected from the group consisting of Pr, Nd, La, Ce and Sm, and said alloy element AE is at least one element selected from the group consisting of Fe, Co, Ni, Ag, Al, Ga and Si.