PROCESS FOR MAKING TI-NI BASED FUNCTIONALLY GRADED ALLOYS AND TI-NI BASED FUNCTIONALLY GRADED ALLOYS PRODUCED THEREBY
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Jul 25, 2006
filing date -
Jun 5, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to Ti—Ni based functionally graded alloys easy in proportional control, which are made by cold working and annealing Ti—Ni based alloys under a predetermined temperature gradient. The thus processed Ti—Ni based functionally graded alloys have a shape memory effect and an ultra elasticity and at the same time, have a consecutive variation of shape depending on a temperature variation.
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