Method for coating or heat treatment of blisks for aircraft...

Details Method for coating or heat treatment of blisks for aircraft... Method for coating or heat treatment of blisks for aircraft...

2008-07-17

2011-10-04

Chen, Bret (Department: 1715)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S374500

Reexamination Certificate

active

08029865

ABSTRACT:
A method for hard-material coating or heat treatment of the blade airfoils of blisks for gas turbines includes insulating portions of the blisk other than the blade airfoils against a furnace atmosphere; loading the blisk as a whole into a heat treatment furnace/coating cabinet at the required heat-treatment/coating temperature and partially cooling at least some of the insulated portions of the blisk with at least one of a solid and a liquid cooling medium while the blade airfoils are exposed to the temperature necessary for coating/heat treatment.

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Mackenzie, Scott, “Heat Treating: Design of Quench Systems for Aluminum Heat Treating, Part II—Agitation”. Industrial Heating article; Sep. 1, 2006, pp. 1-3.

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