MEMORY ALLOY * MAKING METHOD OF IT AND APPARATUSES MADE OF THIS ALLOY TO CONVERT HEAT ENERGY TO MECHANICAL ENERGY

摘要

A shape memory alloy is provided, having a base of nickel and titanium, and additionally comprising up to 30 wt.% copper, and from 0.01 to 5 wt.% of at least one element selected from the group consisting of aluminum, zirconium, cobalt, chromium and iron.