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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 537-538 (Feb. 2007), p. 129-136 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The ageing phenomena and its effect on the thermoelastic martensitictransformation was investigated in three Cu-base SMAs. The transformation temperaturesshifted to higher temperatures due to aging in the beta-phase.To increase the alloy’s ductility, a definite amount of Mn (4 wt%) and Fe (2 wt%) were addedto the ternary alloy. The thermoelastic martensitic transformation was found in the not-agedsamples of the CuAlNiMn and CuAlNiMnFe alloys. This transformation was destroyed dueto ageing heat treatments by a fairly unknown exothermic process. The thermoelasticmartensitic transformation appeared again in the aged CuAlNiMn and CuAlNiMnFe samplesafter keeping them on room temperature for a few months.This phenomena was investigated by DSC, SEM, TEM, and XRD
    Type of Medium: Electronic Resource
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