Power plants – Combustion products used as motive fluid
Patent
1998-04-30
2000-04-11
Freay, Charles G.
Power plants
Combustion products used as motive fluid
60 3955, 60753, F02G 300
Patent
active
060475390
ABSTRACT:
A method of preventing water erosion and hot corrosion in a combustor of a gas turbine engine, wherein water is injected into said combustor for NOx abatement, which involves the step of applying a dense vertically cracked thermal barrier coating to certain components thereof The dense vertically cracked thermal barrier coating has a porosity of less than approximately 8% and a tensile strength in the range of approximately 4-7 ksi. The dense vertically cracked thermal barrier coating is applied to such combustor components so as to produce a segmented ceramic structure having macrocracks formed therein which are oriented substantially perpendicular to an interface of the combustor component and the segmented ceramic structure.
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Freay Charles G.
General Electric Company
Hess Andrew C.
Young Rodney M.
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