Paul Klemens Phones & Addresses
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Salisbury, CT
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Manchester, CT
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Sharon, CT
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21 Timber Dr, Storrs Manfld, CT 06268
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Storrs Mansfield, CT
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West Hartford, CT
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Falls Village, CT
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PO Box 506, Salisbury, CT 06068
Publications
Us Patents
Thermal Barrier Coating Material
View pageUS Patent:
6686060, Feb 3, 2004
Filed:
May 15, 2002
Appl. No.:
10/063810
Inventors:
Robert William Bruce - Loveland OH
Paul Gustav Klemens - Storrs CT
Glen Alfred Slack - Scotia NY
Paul Gustav Klemens - Storrs CT
Glen Alfred Slack - Scotia NY
Assignee:
General Electric Company - Schenectady NY
International Classification:
B32B 1504
US Classification:
428633, 428632, 428469, 428670, 428650, 428697, 428699, 428701, 428702, 416241 B
Abstract:
A coating material, particularly a thermal barrier coating, for a component intended for use in a hostile environment, such as the superalloy turbine, combustor and augmentor components of a gas turbine engine. The coating material is zirconia that is stabilized with yttria and to which an oxide additive of niobia or titania is alloyed to reduce and stabilize the thermal conductivity of the coating.
Ceramic Materials For Thermal Barrier Coatings
View pageUS Patent:
60156309, Jan 18, 2000
Filed:
Apr 10, 1997
Appl. No.:
8/835411
Inventors:
Nitin P. Padture - Storrs CT
Maurice Gell - Newington CT
Paul G. Klemens - Mansfield CT
Maurice Gell - Newington CT
Paul G. Klemens - Mansfield CT
Assignee:
The University of Connecticut - Storrs CT
International Classification:
B32B 1504
US Classification:
428632
Abstract:
A method for identifying ceramics suitable for use as thermal barrier coatings is presented, based on parameters associated with thermal conductivity, oxygen diffusivity, thermal expansion coefficient, maximum temperature capability, hardness, elastic modulus, density, and chemical reactivity. A ceramic thermal barrier coating and method of manufacture is further presented, the ceramic comprising yttrium aluminum garnet (Y. sub. 3 Al. sub. 5 O. sub. 12, or YAG)-based ceramics. Such ceramics are based on yttrium aluminum garnet or other ceramics with the garnet structure and alloys thereof. The ceramics in accordance with the present invention have low thermal conductivity, and are more potentially durable than prior art zirconia based ceramics.