Question 5 · LDEK · Fixed appliances
What is the name of a unique feature of wires made of nickel-titanium alloys consisting in the fact that these arches at low temperatures can be freely formed and after heating return to their original shape:
- A. pseudo-elasticity.
- B. superelasticity.
- C. stiffness.
- D. shape memory.
- E. temperature memory.
Hint
The phenomenon depends on a heat-triggered change from the martensitic to the austenitic crystal phase.
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