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<identifier>oai:HAL:hal-00795441v1</identifier>
<datestamp>2018-01-11</datestamp>
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<title lang=en>Sub-boundary mobilities during recovery of binary Al-Mn alloys</title>
<creator>BAROU, Fabrice</creator>
<creator>Maurice, Claire</creator>
<creator>Feppon, Jean-Marie</creator>
<creator>Driver, Julian</creator>
<contributor>Manteau et Interfaces ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>Materials Science Forum</source>
<publisher>Trans Tech Publications Inc.</publisher>
<identifier>hal-00795441</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00795441</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00795441</source>
<source>Materials Science Forum, Trans Tech Publications Inc., 2012, 715-716, pp.725-731. 〈10.4028/www.scientific.net/MSF.715-716.725〉</source>
<identifier>DOI : 10.4028/www.scientific.net/MSF.715-716.725</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.4028/www.scientific.net/MSF.715-716.725</relation>
<language>en</language>
<subject lang=en>recovery</subject>
<subject lang=en>sub-grain growth</subject>
<subject lang=en>Al-Mn alloys</subject>
<subject lang=en>EBSD</subject>
<subject lang=en>kinetics</subject>
<subject>[SPI.MAT] Engineering Sciences [physics]/Materials</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Two, high purity, Al-0.1 and 0.3wt%Mn alloys have been cold deformed in plane strain compression to strains of order 1.8 and the kinetics of subsequent recovery by sub-grain coarsening during annealing at 150-300°C measured by high resolution FEG-SEM EBSD. Accurate sub-grain size and misorientation distributions and their evolution with time and temperature have been determined. The average growth rates are then used to estimate the sub-grain boundary mobilities. Growth is analyzed by two well-known growth laws for the average sub-grain size δ (t): i) the standard relation for grain growth: where the exponent n takes values of 2-8 and ii) the relation proposed by Nes for dislocation climb in sub-grain walls: It is shown that the latter relation gives a better fit with the data in terms of the time and temperature dependence of the sub-grain sizes. In particular the activation energies for the logarithmic law are much closer to the values expected for solute-controlled movement of sub-boundaries.</description>
<date>2012</date>
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