首页|A study of the mechanical properties and recrystallization of two types of foil of aluminium 1050 A
A study of the mechanical properties and recrystallization of two types of foil of aluminium 1050 A
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An experimental study of the variation of the mechanical properties of sheets of aluminium alloy 1050A due to heat treatment has been carried out. For this purpose, sheets and foils rolled from continuous casting strip (CCS) and from hot rolling strip (HRS) have been prepared in the laboratory. Initially, CCS and HRS had a thickness of 7,5 mm and 3,0 mm respectively. The final thickness achieved in both cases was 0,20 mm. In order to obtain hardening curves for CCS and HRS sheets and foils, specimens of different thickness were taken during the rolling process. Oven treatments were carried out for drawing softening curves of foils. Foil proceeding from CCS presents hardening due to the precipitation of Al_3Fe particles at a temperature range of 160℃ to 220 ℃. HRS foil has a lower hardening in the same range of temperatures owing to its low supersaturation of Fe. Correlation between ultimate tensile strength Rm and Vickers hardness is studied. Micrographies of optical microscopy are offered at hard and recrystallized conditions.
foil of aluminium alloy 1050Amechanical propertiesrecrystallization
J. Perez-llzarbe、J. Fernandez Carrasquilla、C. Luis Perez
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Department of Mechanical, Energetics and Materials Engineering Universidad Publica de Navarra Campus de Arrosadia s/n 31006 Pamplona. Spain
NETL
NSTL
Trans Tech Publications Ltd
