Abrasive tool making process – material – or composition – With inorganic material – Metal or metal oxide
Patent
1992-09-08
1993-11-23
Bell, Mark L.
Abrasive tool making process, material, or composition
With inorganic material
Metal or metal oxide
298892, 51245, 51298, 4151736, 416241B, B24D 302
Patent
active
052640116
ABSTRACT:
An abrasive system and a processing procedure is provided which permits the direct installation of a thick abrasive blade tip cap onto a cast single crystal turbine rotor blade during a single heating schedule requiring only one furnace operation. The composition of the abrasive blade tip cap advantageously utilizes the high temperature performance capabilities of the single crystal alloy without significantly affecting its mechanical properties as a consequence of the processing necessary to permanently bond the abrasive blade tip cap to the rotor blade. A semi-rigid blade tip cap preform is first formed and positioned on the tip of the rotor blade. The preform and rotor blade are then heated in a vacuum furnace according to a temperature schedule entailing heating rates, holding temperatures and durations which are sufficient to bond and consolidate the preform. The rotor blade is then rapidly cooled in the vacuum furnace to retain the single crystal structure of the rotor blade.
REFERENCES:
patent: 3850590 (1974-11-01), Chalkley et al.
patent: 4142872 (1979-03-01), Conradi
patent: 4249913 (1981-02-01), Johnson et al.
patent: 4378975 (1983-04-01), Tomlinson et al.
patent: 4591364 (1986-05-01), Phaal
patent: 4610698 (1986-09-01), Eaton et al.
patent: 4741973 (1988-05-01), Condit et al.
patent: 4802828 (1989-02-01), Rutz et al.
patent: 4854196 (1989-08-01), Mehan
patent: 5096465 (1992-03-01), Chen et al.
Barber Michael J.
Brown Lawrence E.
Clingman David L.
Cross Kenneth R.
Bell Mark L.
Brooks Cary W.
General Motors Corporation
Hartman Domenica N. S.
Thompson Willie J.
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