Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1991-12-31
1993-06-08
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156654, 252 793, 252 794, B44C 122, C73F 100
Patent
active
052175693
ABSTRACT:
A solution is described for the chemical processing of beta phase-containing titanium alloys. The solution contains HNO.sub.3 and HF, along with a small but effective amount of copper, ruthenium, rhodium, palladium, osmium, iridium, platinum or gold to reduce hydrogen absorption, ammonium formate and citric acid to increase the milling rate, and a surfactant to ensure a satisfactory milled surface.
REFERENCES:
patent: 5102499 (1992-04-01), Jodgens
Fishter Robert E.
Hodgens, II Henry M.
Long Kenneth C.
Parizek Robert J.
Powell William A.
United Technologies Corporation
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