NickelMaghrebV1, France, Analysis, bibRecord, 000053

Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion

Identifieur interne : 000053 ( France/Analysis ); précédent : 000052; suivant : 000054

Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion

Auteurs : ABDEL YAZID KHEREDDINE [Algérie] ; FAYÇAL HADJ LARBI [Algérie] ; Hiba Azzeddine [Algérie] ; Thierry Baudin [France] ; Francois Brisset [France] ; Anne-Laure Helbert [France] ; Marie-Hélène Mathon [France] ; Megumi Kawasaki [Corée du Sud, États-Unis] ; Djamel Bradai [Algérie] ; Terence G. Langdon [États-Unis, Royaume-Uni]

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2013.

RBID : Pascal:13-0271826

Descripteurs français

Pascal (Inist)
- Microstructure, Texture, Traitement matériau, Affinement grain, Structure équiaxe, Grosseur grain, Désorientation joint grain, Désorientation grain, Cisaillement, Structure grain fin, Addition silicium, Réseau cubique, Alliage base cuivre, Nickel alliage, Alliage ternaire, 8140E, Torsion sous haute pression.

English descriptors

KwdEn :
- Copper base alloys, Cubic lattices, Equiaxed structure, Fine grain structure, Grain boundary misorientation, Grain refinement, Grain size, High angle grain boundary, High pressure torsion, Material processing, Microstructure, Nickel alloys, Shear, Silicon additions, Ternary alloys, Texture.

Abstract

Experiments were conducted to evaluate the evolution of microstructure and texture in a commercial Cu-2.5%Ni-0.6%Si (wt.%) alloy during processing by high-pressure torsion (HPT) at room temperature up to a maximum of 10 turns. It is shown that HPT leads to grain refinement to a mean equiaxed grain size of ∼200 nm, the evolution occurs rapidly at the edges of the disks but progresses more slowly in the center of each disk and ultimately, after 10 turns, the grain structure is reasonably homogeneous. There is an evolution also in the grain boundary misorientations and after 5 or more revolutions the fraction of high-angle grain boundaries is about 68%. The texture after HPT is characterized by typical shear components of face-centered cubic metals and mainly by the reinforcement of the (111)(211) orientation of the A* texture component.

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream Main, to step Exploration: 000188
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Pascal:13-0271826

Le document en format XML

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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Copper base alloys</term>
<term>Cubic lattices</term>
<term>Equiaxed structure</term>
<term>Fine grain structure</term>
<term>Grain boundary misorientation</term>
<term>Grain refinement</term>
<term>Grain size</term>
<term>High angle grain boundary</term>
<term>High pressure torsion</term>
<term>Material processing</term>
<term>Microstructure</term>
<term>Nickel alloys</term>
<term>Shear</term>
<term>Silicon additions</term>
<term>Ternary alloys</term>
<term>Texture</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Microstructure</term>
<term>Texture</term>
<term>Traitement matériau</term>
<term>Affinement grain</term>
<term>Structure équiaxe</term>
<term>Grosseur grain</term>
<term>Désorientation joint grain</term>
<term>Désorientation grain</term>
<term>Cisaillement</term>
<term>Structure grain fin</term>
<term>Addition silicium</term>
<term>Réseau cubique</term>
<term>Alliage base cuivre</term>
<term>Nickel alliage</term>
<term>Alliage ternaire</term>
<term>8140E</term>
<term>Torsion sous haute pression</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Experiments were conducted to evaluate the evolution of microstructure and texture in a commercial Cu-2.5%Ni-0.6%Si (wt.%) alloy during processing by high-pressure torsion (HPT) at room temperature up to a maximum of 10 turns. It is shown that HPT leads to grain refinement to a mean equiaxed grain size of ∼200 nm, the evolution occurs rapidly at the edges of the disks but progresses more slowly in the center of each disk and ultimately, after 10 turns, the grain structure is reasonably homogeneous. There is an evolution also in the grain boundary misorientations and after 5 or more revolutions the fraction of high-angle grain boundaries is about 68%. The texture after HPT is characterized by typical shear components of face-centered cubic metals and mainly by the reinforcement of the (111)(211) orientation of the A* texture component.</div>
</front>
</TEI>
<affiliations><list><country><li>Algérie</li>
<li>Corée du Sud</li>
<li>France</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Californie</li>
<li>Wilaya d'Alger</li>
<li>Île-de-France</li>
</region>
<settlement><li>Alger</li>
<li>Gif-sur-Yvette</li>
<li>Los Angeles</li>
<li>Orsay</li>
<li>Séoul</li>
</settlement>
<orgName><li>Université de Californie du Sud</li>
</orgName>
</list>
<tree><country name="Algérie"><region name="Wilaya d'Alger"><name sortKey="Abdel Yazid Khereddine" sort="Abdel Yazid Khereddine" uniqKey="Abdel Yazid Khereddine" last="Abdel Yazid Khereddine">ABDEL YAZID KHEREDDINE</name>
</region>
<name sortKey="Abdel Yazid Khereddine" sort="Abdel Yazid Khereddine" uniqKey="Abdel Yazid Khereddine" last="Abdel Yazid Khereddine">ABDEL YAZID KHEREDDINE</name>
<name sortKey="Azzeddine, Hiba" sort="Azzeddine, Hiba" uniqKey="Azzeddine H" first="Hiba" last="Azzeddine">Hiba Azzeddine</name>
<name sortKey="Bradai, Djamel" sort="Bradai, Djamel" uniqKey="Bradai D" first="Djamel" last="Bradai">Djamel Bradai</name>
<name sortKey="Faycal Hadj Larbi" sort="Faycal Hadj Larbi" uniqKey="Faycal Hadj Larbi" last="Fayçal Hadj Larbi">FAYÇAL HADJ LARBI</name>
<name sortKey="Faycal Hadj Larbi" sort="Faycal Hadj Larbi" uniqKey="Faycal Hadj Larbi" last="Fayçal Hadj Larbi">FAYÇAL HADJ LARBI</name>
</country>
<country name="France"><region name="Île-de-France"><name sortKey="Baudin, Thierry" sort="Baudin, Thierry" uniqKey="Baudin T" first="Thierry" last="Baudin">Thierry Baudin</name>
</region>
<name sortKey="Brisset, Francois" sort="Brisset, Francois" uniqKey="Brisset F" first="Francois" last="Brisset">Francois Brisset</name>
<name sortKey="Helbert, Anne Laure" sort="Helbert, Anne Laure" uniqKey="Helbert A" first="Anne-Laure" last="Helbert">Anne-Laure Helbert</name>
<name sortKey="Mathon, Marie Helene" sort="Mathon, Marie Helene" uniqKey="Mathon M" first="Marie-Hélène" last="Mathon">Marie-Hélène Mathon</name>
</country>
<country name="Corée du Sud"><noRegion><name sortKey="Kawasaki, Megumi" sort="Kawasaki, Megumi" uniqKey="Kawasaki M" first="Megumi" last="Kawasaki">Megumi Kawasaki</name>
</noRegion>
</country>
<country name="États-Unis"><region name="Californie"><name sortKey="Kawasaki, Megumi" sort="Kawasaki, Megumi" uniqKey="Kawasaki M" first="Megumi" last="Kawasaki">Megumi Kawasaki</name>
</region>
<name sortKey="Langdon, Terence G" sort="Langdon, Terence G" uniqKey="Langdon T" first="Terence G." last="Langdon">Terence G. Langdon</name>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Langdon, Terence G" sort="Langdon, Terence G" uniqKey="Langdon T" first="Terence G." last="Langdon">Terence G. Langdon</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion

Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion

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