A new method to determine plastic deformation at the grain scale
Identifieur interne : 004321 ( Main/Exploration ); précédent : 004320; suivant : 004322A new method to determine plastic deformation at the grain scale
Auteurs : F. Wagner [France] ; A. Ouarem [France] ; C. F. Gu [France, Australie] ; N. Allain-Bonasso [France] ; L. S. Toth [France]Source :
- Materials characterization [ 1044-5803 ] ; 2014.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
The paper deals with the determination of plastic deformation at the grain scale. A new method is proposed. It is based on the possibility to use two EBSD maps made on the same area, before and after plastic deformation, and by using the coordinates of the triple points considered as natural markers. It is demonstrated from a theoretical example that the method could work if the triple point coordinates are known with a sufficient precision and that the mean values per grain of the deformation components, εij, are realistic even when there are heterogeneities inside the grains. This method is applied to an IF steel, plastically deformed in extension (15%), for two different resolution cases (small and large maps with different step sizes). The heterogeneity at mesoscale as well as at the grain scale is clearly evidenced. Lastly, the interest, capabilities and limitations of the method are discussed.
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Allain-Bonasso</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>LEM3 (UMR-CNRS 7239), Université de Lorraine, Ile du Saulcy</s1><s2>Metz 57045</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>57045</wicri:noRegion><wicri:noRegion>Ile du Saulcy</wicri:noRegion><wicri:noRegion>Metz 57045</wicri:noRegion><orgName type="university">Université de Lorraine</orgName><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratory of Excellence on Design of Alloy Metals for Low-mass Structures (Labex Damas), Université de Lorraine</s1><s2>Metz 57045</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>57045</wicri:noRegion><wicri:noRegion>Université de Lorraine</wicri:noRegion><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author><author><name sortKey="Toth, L S" sort="Toth, L S" uniqKey="Toth L" first="L. S." last="Toth">L. S. Toth</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>LEM3 (UMR-CNRS 7239), Université de Lorraine, Ile du Saulcy</s1><s2>Metz 57045</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Nancy</settlement></placeName><orgName type="university">Université de Lorraine</orgName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratory of Excellence on Design of Alloy Metals for Low-mass Structures (Labex Damas), Université de Lorraine</s1><s2>Metz 57045</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>57045</wicri:noRegion><wicri:noRegion>Université de Lorraine</wicri:noRegion><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author></analytic><series><title level="j" type="main">Materials characterization</title><title level="j" type="abbreviated">Mater. charact.</title><idno type="ISSN">1044-5803</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Materials characterization</title><title level="j" type="abbreviated">Mater. charact.</title><idno type="ISSN">1044-5803</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Electron diffraction</term><term>Inhomogeneity</term><term>Plastic deformation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Déformation plastique</term><term>Diffraction électron</term><term>Hétérogénéité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The paper deals with the determination of plastic deformation at the grain scale. A new method is proposed. It is based on the possibility to use two EBSD maps made on the same area, before and after plastic deformation, and by using the coordinates of the triple points considered as natural markers. It is demonstrated from a theoretical example that the method could work if the triple point coordinates are known with a sufficient precision and that the mean values per grain of the deformation components, ε<sub>ij</sub>, are realistic even when there are heterogeneities inside the grains. This method is applied to an IF steel, plastically deformed in extension (15%), for two different resolution cases (small and large maps with different step sizes). The heterogeneity at mesoscale as well as at the grain scale is clearly evidenced. Lastly, the interest, capabilities and limitations of the method are discussed.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Université de Lorraine</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Wagner, F" sort="Wagner, F" uniqKey="Wagner F" first="F." last="Wagner">F. Wagner</name></region><name sortKey="Allain Bonasso, N" sort="Allain Bonasso, N" uniqKey="Allain Bonasso N" first="N." last="Allain-Bonasso">N. Allain-Bonasso</name><name sortKey="Allain Bonasso, N" sort="Allain Bonasso, N" uniqKey="Allain Bonasso N" first="N." last="Allain-Bonasso">N. Allain-Bonasso</name><name sortKey="Gu, C F" sort="Gu, C F" uniqKey="Gu C" first="C. F." last="Gu">C. F. Gu</name><name sortKey="Ouarem, A" sort="Ouarem, A" uniqKey="Ouarem A" first="A." last="Ouarem">A. Ouarem</name><name sortKey="Ouarem, A" sort="Ouarem, A" uniqKey="Ouarem A" first="A." last="Ouarem">A. Ouarem</name><name sortKey="Toth, L S" sort="Toth, L S" uniqKey="Toth L" first="L. S." last="Toth">L. S. Toth</name><name sortKey="Toth, L S" sort="Toth, L S" uniqKey="Toth L" first="L. S." last="Toth">L. S. Toth</name><name sortKey="Wagner, F" sort="Wagner, F" uniqKey="Wagner F" first="F." last="Wagner">F. Wagner</name></country><country name="Australie"><noRegion><name sortKey="Gu, C F" sort="Gu, C F" uniqKey="Gu C" first="C. F." last="Gu">C. F. Gu</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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