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US 7,824,763 B2Granted
Composite material for turbine support structure
AssigneeGeneral Electric Company
InventorsAdi Narayana Namburi, Hayagreeva Rao, Chinniah Thiagarajan
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Abstract
A composite material for use in turbine support structures. The composite material may include a first material having a positive coefficient of thermal expansion and a second material having a negative coefficient of thermal expansion, a negative Poisson ratio, or both a negative coefficient of thermal expansion and a negative Poisson ratio.
Claims12
A turbine support structure comprising:
- a first material having a positive coefficient of thermal expansion;
- and
- a second material having a negative coefficient of thermal expansion, a negative Poisson ratio, or both a negative coefficient of thermal expansion and a negative Poisson ratio;
- wherein said first material and said second material provide controlled thermal expansion of said turbine support structure.
1 more element
A turbine, comprising:
- a turbine support structure which comprises
- a first material having a positive coefficient of thermal expansion;
- and
- a second material having a negative coefficient of thermal expansion, a negative Poisson ratio, or both a negative coefficient of thermal expansion and a negative Poisson ratio.
1 more element
Dependencies are inferred from the claim text.