Memory metal ring

Memory metal ring

T742/0059 Rights Managed

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Credit: PASCAL GOETGHELUCK/SCIENCE PHOTO LIBRARY

Caption: Memory metal ring. Shape memory metal ring (upper right) on the finger of a man (upper left) and a woman. Memory metals are alloys made of aluminium or copper along with nickel and titanium. Once manufactured in a certain shape the metal may be deformed with little effort, but its plastic-like nature means that it regains its shape once relea- sed. In trying to return to its original unstret- ched form the ring fits snugly onto any finger.

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Keywords: alloy, conceptual, engagement, engineering, finger, hand, marriage, memory metal, new materials technology, relationship, ring, shape memory metal

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