Completeness of beta-phase decomposition reaction in Cu-Al-Ag alloys

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2012-08-01

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Coorientador

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Springer

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The completeness of beta-phase decomposition reaction in the Cu-11wt%Al-xwt%Ag alloys (x = 0, 1, 2, and 3) was studied using differential scanning calorimetry (DSC), X-ray diffractometry (XRD), and optical microscopy (OM). The results indicated that beta-phase transformations are highly dependent on cooling rate and on the presence of Ag. on slow cooling, the silver presence prevents the beta- and beta(1)-phase decomposition; thus, inducing the martensitic phase formation. After rapid cooling, a new thermal event is observed and the reverse martensitic transformation is shifted to lower temperatures.

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Inglês

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Journal of Thermal Analysis and Calorimetry. Dordrecht: Springer, v. 109, n. 2, p. 927-931, 2012.

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