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US 2013/0157074 A1Published application
Hollow superelastic shape memory alloy particles
AssigneeGM Global Technology Operations LLC
InventorAlan L. Browne
Life of this patent
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Abstract
Hollow superelastic shape memory alloy particles are disclosed herein. An example of the hollow superelastic shape memory particle includes an outer shell of a shape memory alloy having an Austenite finish temperature (Af) that is lower than a temperature encountered in an application in which the particle is used so that the shape memory alloy exhibits stress-induced superelasticity. The hollow superelastic shape memory particle also includes an interior hollow portion at least partially surrounded by the outer shell.
Claims15
A hollow superelastic shape memory particle, comprising:
- an outer shell of a shape memory alloy having an Austenite finish temperature (Af) that is lower than a temperature encountered in an application in which the particle is used so that the shape memory alloy exhibits stress-induced superelasticity;
- and
- an interior hollow portion at least partially surrounded by the outer shell.
Dependencies are inferred from the claim text.