Accumulative roll bonding of 7075 aluminium alloy at high temperature



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Hidalgo Alcalde, Pedro and Cepeda Jiménez, C. M. and Ruano, O. A. and Carreño, F. (2010) Accumulative roll bonding of 7075 aluminium alloy at high temperature. Thermec 2009, Pts 1-4, 638-42 (01 abr). pp. 1929-1933. ISSN 0255-5476

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The 7075 Al alloy was processed by accumulative roll bonding (ARB) at 300, 350 and 400 ºC. The microstructure and texture were characterized and the hardness was measured. Cell/(sub)grain sizes less than 500 nm and typical beta-fibre rolling texture were observed in the three ARBed samples. At 400 ºC, the presence of elements in solid solution leads to a poorly misoriented microstructure and to a homogeneous beta-fibre texture. At 300 and 350 ºC highly misoriented microstructure and heterogeneous beta-fibre rolling texture are observed, especially at 350 ºC, wherein the degree of dynamic recovery is higher. Hardness of the ARBed samples is affected by the amount of atoms in solid solution at the different processing temperatures.

Item Type:Article
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© Trans Tech Publications Ltd.
International Conference on Processing and Manufacturing of Advanced Materials (6. 2009. Berlin)

Uncontrolled Keywords:Arb Process, Deformation
Subjects:Sciences > Physics > Materials
ID Code:25479
Deposited On:20 May 2014 16:39
Last Modified:20 May 2014 16:39

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