Method for manufacturing a welded shaped body dispersion-hardene

Details Method for manufacturing a welded shaped body dispersion-hardene Method for manufacturing a welded shaped body dispersion-hardene

1999-03-10

2000-10-10

Jenkins, Daniel J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

148678, 148280, 148281, 148276, 148277, B32B 1501

Patent

active

061299979

ABSTRACT:
A method is provided for manufacturing a welded shaped body of platinum material dispersion-hardened by finely divided small particles of base metal oxide, especially such a body provided with at least one inside wall, such as a tube. The base metal oxide is one or more oxides of the elements yttrium, zirconium and cerium. The method includes shaping and welding of at least one part, especially a sheet, of an alloy of platinum and base metal, to a preform body, e.g. a tube. The preform body is then subjected to heat treatment in an oxidizing medium until the minimum degree of oxidation of the base metal reaches 75 wt %. The preform body is then formed into the desired product.

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patent: 4819859 (1989-04-01), Schwenninger
Shojiro Ochiari, "Mechanical properties of Metallic Composites", 1993, pp. 352-353.

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