Clad reactive metal plate product and process for producing the

Details Clad reactive metal plate product and process for producing the Clad reactive metal plate product and process for producing the

1995-06-09

1996-12-03

Heinrich, Samuel M.

Metal fusion bonding

Process

Specific mode of heating or applying pressure

228186, 228190, B23K 2004

Patent

active

055799884

ABSTRACT:
A cost effective process is provided for the production of a clad reactive metal plate composite that contains a complete metallurgical bond between a reactive metal or metal alloy backer plate and the cladding layer which is employed in the present invention as the cladding plate. The full metallurgical bond is achieved in the present invention by maintaining a small gap between the cladding plate and the backer plate in the composite assembly. The small gap, which optionally may contain a evacuation nipple, may be obtained by placing shims composed of the backer plate material between the backer plate and the cladding plate in the composite assembly prior to sealing and hot working the assembly. Also, provided is a highly corrosion resistant clad reactive metal plate composite which comprises a reactive metal or metal alloy cladding layer that is completely bonded to a reactive metal or metal alloy backer plate through a metallurgical bond.

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patent: 4777098 (1988-10-01), Takamura et al.
patent: 4839242 (1989-06-01), Murayama et al.
patent: 4966816 (1990-10-01), Wardlaw et al.
patent: 5115963 (1992-05-01), Yasui

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