Hard solder

Details Hard solder Hard solder

1997-02-07

1998-11-03

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

429 12, 429 36, C21D 109

Patent

active

058302921

ABSTRACT:
The invention relates to a hard solder for high-temperature soldered joints joining high temperature-resistant materials, especially chromium and alloys based on chromium. The hard solder consists of 40% to 70% by weight chromium, up to 2% by weight of one or several of the metals selected from the group of vanadium, niobium, tantalum, titanium, zirconium and hafnium, up to 2% by weight of one or several of the metals or their oxides selected from the group of rare earths and yttrium, as well as nickel as the balance. The solder according to the present invention is particularly suitable for joining by soldering parts in solid-electrolyte, high-temperature fuel cells.

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