Measurements of S-lineshape parameter of Doppler-broadening spectra of positron annihilation were carried out during martensite (Fe-Ni) and thermoelastic martensite (Ti-Ni
Cu-Zn-Al) transformations. The data are useful to explain the difference between martensite and thermoelastic martensite transformation
the change of defects during transformation
the premonitory effect and the shape memory effect.
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references
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