Effect of Bi addition on precipitation and dissolution in Cu–9at% In and Cu–5at% Sb alloys

Hachouf, M.; Hamana, D.

doi:10.1007/s10973-019-08421-3

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2020

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“…The range of heating rates tested is expected to be able to clearly detect its effect on the recrystallization kinetics. They are also in the range of similar studies reported in the literature [34][35][36][37]. Because the aim was solely the derivation of the recrystallization kinetics, no microstructural analysis was necessary to be carried out.…”

Section: Methodsmentioning

confidence: 59%

Thermal analysis of CuMg alloys deformed by equal channel angular pressing

Calvillo

Ferrer²,

Cabrera

2020

J Therm Anal Calorim

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The thermal behavior of two copper alloys, with 0.2 and 0.5 mass % of Mg, was analyzed after severe plastic deformation processing by Equal Channel Angular Pressing (ECAP). Both alloys were forced to be passed through a 90º inner angle ECAP die at room temperature up to 16 passes following route Bc. The thermal stability was analyzed in terms of the recrystallization kinetics by using the Various Heating Rates method, derived from the Johnson-Mehl-Avrami-Kolmogorov equation, after analyzing the Differential Scanning Calorimetry peaks for both alloys at any pass of ECAP. The calculated recrystallization parameters included the activation energies (E (kJ mol −1 ) E CuMg02 = 42.6 ± 19.8 E CuMg05 = 52.7 ± 13 kJ mol −1 ) and the kinetic exponent n which took an average value of ≈ 1.75, irrespective of the considered alloy.

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Section: Methodsmentioning

confidence: 59%