Composite material in rod, tube, strip, sheet or plate shape wit

Details Composite material in rod, tube, strip, sheet or plate shape wit Composite material in rod, tube, strip, sheet or plate shape wit

1986-09-26

1989-02-28

Dean, R.

Metal treatment

Compositions

Heat treating

148402, 428616, 428618, C23C 3000

Patent

active

048082465

ABSTRACT:
A composite material in rod, tube, strip, sheet or plate shape with reversible thermomechanical properties is produced by joining of at least two parts consisting of a total of at least one shape memory alloy having a two-way effect, whereby each part has a memory effect by itself. In the case of at least two shape memory alloys (1, 2) with different transition temperatures but the same mode of movement, the joining of the individual parts can take place prior to the deformation in the low temperature range necessary to inducing the two-way effect. In the case of differing types and degrees of movement of the individual parts (25, 26), their joining can first be accomplished only after the individual deformations of each part for itself in the low temperature range are accomplished regardless of how many shape memory alloys with different transition temperatures are used in the structure of the composite material.

REFERENCES:
patent: 4518444 (1985-05-01), Albrecht et al.
patent: 4554027 (1985-11-01), Tautzenberger et al.

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