公开(公告)号：US3579808A

公开(公告)日：1971-05-25

申请号：US3579808D

申请日：1969-03-20

Applicant: TRW INC

Inventor： HAGAN MELVIN A ,  BATISTA ROY I

IPC: B23K20/02 ,  B23K20/04 ,  B23K20/233

CPC classification number: B23K20/023 ,  B23K20/04 ,  B23K20/233 ,  Y10T428/12819

Abstract: This invention relates to composite metal article and method for making the same wherein tantalum metal is applied to the surface of niobium metal and the two metals are diffusion bonded in a protective environment. The bonded metals may be cold worked to produce the final fabricated article.