COMPOSITE COMPRISING A METAL OR ALLOY AND A SHAPE MEMORY ALLOY

Title:

COMPOSITE COMPRISING A METAL OR ALLOY AND A SHAPE MEMORY ALLOY

Document Type and Number:

WIPO Patent Application WO2003047794

Kind Code:

A9

Abstract:

A composite element comprises: (a) a metal or metal alloy component having an elastic modulus that decreases with increasing temperature in a temperature range; and (b) sufficient amount of a shape memory alloy component having an elastic modulus that shows an increase in elastic modulus with increasing temperature in the said temperature range, such that the elastic modulus of the composite element does not fall substantially as the temperature is increased across the said temperature range. An article comprising such a composite element is suitable for use in high temperature applications, including motor vehicle components.

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Inventors:

CHANDRASEKARAN LAKSHMAN (GB)
SHAKESHEFF ALAN JOHN (GB)

Application Number:

PCT/GB2002/005343

Publication Date:

September 04, 2003

Filing Date:

November 27, 2002

Export Citation:

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Assignee:

QINETIQ LTD (GB)
CHANDRASEKARAN LAKSHMAN (GB)
SHAKESHEFF ALAN JOHN (GB)

International Classes:

B22F1/00; C22C47/14; C22C49/06; C22C49/14; (IPC1-7): B22F7/00; C22C47/14; C22C49/14; C22C49/06

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