GK Question

technology medium true_false

Shape-memory alloys can return to original shape when heated after deformation.

  1. True
  2. False

Answer: True

Shape-memory alloys (Nitinol: Ni-Ti) undergo reversible phase transformation, enabling shape recovery upon heating. Applications: medical stents, actuators, aerospace. India researches SMAs at DMRL, IITs. Critical for smart materials and advanced manufacturing questions.

Topic Advanced Materials
Exam Relevance UPSC, SSC JE, Railway