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|Title:||Completeness of beta-phase decomposition reaction in Cu-Al-Ag alloys|
|Authors:||Silva, R. A. G. [UNIFESP]|
Machado, E. S.
Adorno, A. T.
Magdalena, A. G.
Carvalho, T. M.
Universidade Federal de São Paulo (UNIFESP)
Universidade Federal de Sergipe (UFS)
|Citation:||Journal of Thermal Analysis and Calorimetry. Dordrecht: Springer, v. 109, n. 2, p. 927-931, 2012.|
|Abstract:||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.|
|Appears in Collections:||Artigo|
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