Metal treatment – Compositions – Heat treating
Patent
1988-12-13
1990-06-26
Woo, Jay H.
Metal treatment
Compositions
Heat treating
148 6, 148421, 148DIG33, C23C 1000
Patent
active
049369270
ABSTRACT:
Aluminum diffusion coatings are applied to structural components of titanium alloys by two separate heat treatment steps applied to the component embedded in an aluminum powder. The first heat treatment step is performed at relatively very low temperatures for avoiding an oxygen embrittlement of the structural component by any remainder oxygen. The subsequent diffusion heat treatment is performed at higher temperatures. If desired, a getter material having a high oxygen affinity, is added to the powder mixture in which the structural components are embedded for the first treatment. The getter material binds any remainder oxygen.
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Pack-Aluminization of Titanium, by M. F. Galis, pp. 965-972.
Oxidation of Aluminide Coatings on Unalloyed Titanium by Roland Streiff et al., pp. 591-597.
Grunke Richard
Piechl Lothar
Durkin II Jeremiah F.
Fasse W. G.
Kane, Jr. D. H.
MTU Motoren - und Turbinen-Union Muenchen GmbH
Woo Jay H.
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