Martensitic Phase Transformation Kinetics: The Atomic Basis of Shape Memory in Nickel-Titanium Alloys
马氏体相变动力学：镍钛合金形状记忆效应的原子基础
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Nickel-titanium (NiTi) alloys exhibit shape memory through a reversible, diffusionless solid-state transformation between austenite and martensite crystal structures.
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Upon cooling below the martensite start temperature, the lattice distorts via coordinated atomic shuffling—not bond breaking—yielding multiple twinned variants.
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