Guaranteed Behavior in Shape Memory Alloys. Short- and long-time effects related to temperature and phase coexistence
作者： V. Torra , A. Isalgue , F. C. Lovey
关键词: Temperature measurement 、 Two temperature 、 Mathematical equations 、 Materials science 、 Steady state 、 Thermodynamics 、 Time constant 、 Diffusionless transformation 、 Shape-memory alloy 、 Phase (matter)
摘要: A phenomenological approach, in the parent phase of Cu-Zn-Al shape memory alloy, establishes a predictable model (or mathematical equations) relating dependence Ms with temperature over long period time (i.e. seasonal or yearly room temperature). High-resolution resistance and measurements vs. are used. The tracks external via two dependent constants. In steady state, changes approach17 per cent ‘room’ change. detailed analysis shows puzzling disappearance after quench effects.
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