Stress relief of metal-ceramic gas turbine seals

Details Stress relief of metal-ceramic gas turbine seals Stress relief of metal-ceramic gas turbine seals

B - Operations, Transporting

32

B

148/47, 154/89

B32B 15/04 (2006.01) C04B 37/02 (2006.01) C21D 9/40 (2006.01) C23C 4/02 (2006.01) C23C 4/18 (2006.01)

Patent

CA 1098019

ABSTRACT OF THE DISCLOSURE A process for the production of ceramic-metal assemblies which are joined by a graded layer of a metal- ceramic mixture is described. The effect of the proces- sing sequence is to vary the prestress between the metal and ceramic components. The assemblies are produced by heating at elevated temperatures and the process of the invention involves preferential cooling of the metal portion of the assembly. EH-6108b

293048

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