NickelMaghrebV1, PascalFrancis, Corpus, bibRecord, 000052

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

Identifieur interne : 000052 ( PascalFrancis/Corpus ); précédent : 000051; suivant : 000053

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

Auteurs : ABDEL YAZID KHEREDDINE ; FAYÇAL HADJ LARBI ; Hiba Azzeddine ; Thierry Baudin ; Francois Brisset ; Anne-Laure Helbert ; Marie-Hélène Mathon ; Megumi Kawasaki ; Djamel Bradai ; Terence G. Langdon

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.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A08	`01`	`1`	`ENG`	`@1 Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion`
A11	`01`	`1`		`@1 ABDEL YAZID KHEREDDINE`
A11	`02`	`1`		`@1 FAYÇAL HADJ LARBI`
A11	`03`	`1`		`@1 AZZEDDINE (Hiba)`
A11	`04`	`1`		`@1 BAUDIN (Thierry)`
A11	`05`	`1`		`@1 BRISSET (Francois)`
A11	`06`	`1`		`@1 HELBERT (Anne-Laure)`
A11	`07`	`1`		`@1 MATHON (Marie-Hélène)`
A11	`08`	`1`		`@1 KAWASAKI (Megumi)`
A11	`09`	`1`		`@1 BRADAI (Djamel)`
A11	`10`	`1`		`@1 LANGDON (Terence G.)`
A14	`01`			`@1 Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida @2 Alger @3 DZA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 9 aut.`
A14	`02`			`@1 CDTA, Haouch Oukil BP 17 Baba-Hassan @2 Algiers @3 DZA @Z 1 aut. @Z 2 aut.`
A14	`03`			`@1 Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410 @2 91405 Orsay @3 FRA @Z 4 aut. @Z 5 aut. @Z 6 aut.`
A14	`04`			`@1 Laboratoire Léon Brillouin, CEA-CNRS, CEA/Saclay @2 91191 Gif-sur-Yvette @3 FRA @Z 7 aut.`
A14	`05`			`@1 Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong @2 Seongdong-gu, Seoul 133-791 @3 KOR @Z 8 aut.`
A14	`06`			`@1 Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California @2 Los Angeles, CA 90089-1453 @3 USA @Z 8 aut. @Z 10 aut.`
A14	`07`			`@1 Materials Research Group, Faculty of Engineering and the Environment, University of Southampton @2 Southampton SO17 1BJ @3 GBR @Z 10 aut.`
A20				`@1 361-367`
A21				`@1 2013`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 1151 @5 354000506573040600`
A44				`@0 0000 @1 © 2013 INIST-CNRS. All rights reserved.`
A45				`@0 83 ref.`
A47	`01`	`1`		`@0 13-0271826`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of alloys and compounds`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 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.
C02	`01`	`3`		`@0 001B80A40E`
C03	`01`	`3`	`FRE`	`@0 Microstructure @5 01`
C03	`01`	`3`	`ENG`	`@0 Microstructure @5 01`
C03	`02`	`3`	`FRE`	`@0 Texture @5 02`
C03	`02`	`3`	`ENG`	`@0 Texture @5 02`
C03	`03`	`X`	`FRE`	`@0 Traitement matériau @5 03`
C03	`03`	`X`	`ENG`	`@0 Material processing @5 03`
C03	`03`	`X`	`SPA`	`@0 Tratamiento material @5 03`
C03	`04`	`3`	`FRE`	`@0 Affinement grain @5 04`
C03	`04`	`3`	`ENG`	`@0 Grain refinement @5 04`
C03	`05`	`X`	`FRE`	`@0 Structure équiaxe @5 05`
C03	`05`	`X`	`ENG`	`@0 Equiaxed structure @5 05`
C03	`05`	`X`	`SPA`	`@0 Estructura equiaxial @5 05`
C03	`06`	`3`	`FRE`	`@0 Grosseur grain @5 06`
C03	`06`	`3`	`ENG`	`@0 Grain size @5 06`
C03	`07`	`X`	`FRE`	`@0 Désorientation joint grain @5 07`
C03	`07`	`X`	`ENG`	`@0 Grain boundary misorientation @5 07`
C03	`07`	`X`	`SPA`	`@0 Desorientación plano de exfoliación @5 07`
C03	`08`	`X`	`FRE`	`@0 Désorientation grain @5 08`
C03	`08`	`X`	`ENG`	`@0 High angle grain boundary @5 08`
C03	`08`	`X`	`SPA`	`@0 Límite intergranular gran ángulo @5 08`
C03	`09`	`3`	`FRE`	`@0 Cisaillement @5 09`
C03	`09`	`3`	`ENG`	`@0 Shear @5 09`
C03	`10`	`X`	`FRE`	`@0 Structure grain fin @5 10`
C03	`10`	`X`	`ENG`	`@0 Fine grain structure @5 10`
C03	`10`	`X`	`SPA`	`@0 Estructura grano fino @5 10`
C03	`11`	`3`	`FRE`	`@0 Addition silicium @5 11`
C03	`11`	`3`	`ENG`	`@0 Silicon additions @5 11`
C03	`12`	`3`	`FRE`	`@0 Réseau cubique @5 15`
C03	`12`	`3`	`ENG`	`@0 Cubic lattices @5 15`
C03	`13`	`3`	`FRE`	`@0 Alliage base cuivre @2 NK @5 16`
C03	`13`	`3`	`ENG`	`@0 Copper base alloys @2 NK @5 16`
C03	`14`	`3`	`FRE`	`@0 Nickel alliage @5 17`
C03	`14`	`3`	`ENG`	`@0 Nickel alloys @5 17`
C03	`15`	`3`	`FRE`	`@0 Alliage ternaire @5 18`
C03	`15`	`3`	`ENG`	`@0 Ternary alloys @5 18`
C03	`16`	`3`	`FRE`	`@0 8140E @4 INC @5 65`
C03	`17`	`3`	`FRE`	`@0 Torsion sous haute pression @4 CD @5 96`
C03	`17`	`3`	`ENG`	`@0 High pressure torsion @4 CD @5 96`
N21				`@1 259`

Format Inist (serveur)

NO :	PASCAL 13-0271826 INIST
ET :	Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion
AU :	ABDEL YAZID KHEREDDINE; FAYÇAL HADJ LARBI; AZZEDDINE (Hiba); BAUDIN (Thierry); BRISSET (Francois); HELBERT (Anne-Laure); MATHON (Marie-Hélène); KAWASAKI (Megumi); BRADAI (Djamel); LANGDON (Terence G.)
AF :	Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida/Alger/Algérie (1 aut., 2 aut., 3 aut., 9 aut.); CDTA, Haouch Oukil BP 17 Baba-Hassan/Algiers/Algérie (1 aut., 2 aut.); Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410/91405 Orsay/France (4 aut., 5 aut., 6 aut.); Laboratoire Léon Brillouin, CEA-CNRS, CEA/Saclay/91191 Gif-sur-Yvette/France (7 aut.); Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong/Seongdong-gu, Seoul 133-791/Corée, République de (8 aut.); Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California/Los Angeles, CA 90089-1453/Etats-Unis (8 aut., 10 aut.); Materials Research Group, Faculty of Engineering and the Environment, University of Southampton/Southampton SO17 1BJ/Royaume-Uni (10 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of alloys and compounds; ISSN 0925-8388; Royaume-Uni; Da. 2013; Vol. 574; Pp. 361-367; Bibl. 83 ref.
LA :	Anglais
EA :	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.
CC :	001B80A40E
FD :	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
ED :	Microstructure; Texture; Material processing; Grain refinement; Equiaxed structure; Grain size; Grain boundary misorientation; High angle grain boundary; Shear; Fine grain structure; Silicon additions; Cubic lattices; Copper base alloys; Nickel alloys; Ternary alloys; High pressure torsion
SD :	Tratamiento material; Estructura equiaxial; Desorientación plano de exfoliación; Límite intergranular gran ángulo; Estructura grano fino
LO :	INIST-1151.354000506573040600
ID :	13-0271826

Links to Exploration step

Pascal:13-0271826

Le document en format XML

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<author><name sortKey="Mathon, Marie Helene" sort="Mathon, Marie Helene" uniqKey="Mathon M" first="Marie-Hélène" last="Mathon">Marie-Hélène Mathon</name>
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<s2>91191 Gif-sur-Yvette</s2>
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<author><name sortKey="Kawasaki, Megumi" sort="Kawasaki, Megumi" uniqKey="Kawasaki M" first="Megumi" last="Kawasaki">Megumi Kawasaki</name>
<affiliation><inist:fA14 i1="05"><s1>Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong</s1>
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<s3>KOR</s3>
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<affiliation><inist:fA14 i1="06"><s1>Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California</s1>
<s2>Los Angeles, CA 90089-1453</s2>
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<sZ>10 aut.</sZ>
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<author><name sortKey="Bradai, Djamel" sort="Bradai, Djamel" uniqKey="Bradai D" first="Djamel" last="Bradai">Djamel Bradai</name>
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<author><name sortKey="Langdon, Terence G" sort="Langdon, Terence G" uniqKey="Langdon T" first="Terence G." last="Langdon">Terence G. Langdon</name>
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<affiliation><inist:fA14 i1="07"><s1>Materials Research Group, Faculty of Engineering and the Environment, University of Southampton</s1>
<s2>Southampton SO17 1BJ</s2>
<s3>GBR</s3>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion</title>
<author><name sortKey="Abdel Yazid Khereddine" sort="Abdel Yazid Khereddine" uniqKey="Abdel Yazid Khereddine" last="Abdel Yazid Khereddine">ABDEL YAZID KHEREDDINE</name>
<affiliation><inist:fA14 i1="01"><s1>Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida</s1>
<s2>Alger</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
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</affiliation>
<affiliation><inist:fA14 i1="02"><s1>CDTA, Haouch Oukil BP 17 Baba-Hassan</s1>
<s2>Algiers</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Faycal Hadj Larbi" sort="Faycal Hadj Larbi" uniqKey="Faycal Hadj Larbi" last="Fayçal Hadj Larbi">FAYÇAL HADJ LARBI</name>
<affiliation><inist:fA14 i1="01"><s1>Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida</s1>
<s2>Alger</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
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</affiliation>
<affiliation><inist:fA14 i1="02"><s1>CDTA, Haouch Oukil BP 17 Baba-Hassan</s1>
<s2>Algiers</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Azzeddine, Hiba" sort="Azzeddine, Hiba" uniqKey="Azzeddine H" first="Hiba" last="Azzeddine">Hiba Azzeddine</name>
<affiliation><inist:fA14 i1="01"><s1>Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida</s1>
<s2>Alger</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Baudin, Thierry" sort="Baudin, Thierry" uniqKey="Baudin T" first="Thierry" last="Baudin">Thierry Baudin</name>
<affiliation><inist:fA14 i1="03"><s1>Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410</s1>
<s2>91405 Orsay</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Brisset, Francois" sort="Brisset, Francois" uniqKey="Brisset F" first="Francois" last="Brisset">Francois Brisset</name>
<affiliation><inist:fA14 i1="03"><s1>Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410</s1>
<s2>91405 Orsay</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Helbert, Anne Laure" sort="Helbert, Anne Laure" uniqKey="Helbert A" first="Anne-Laure" last="Helbert">Anne-Laure Helbert</name>
<affiliation><inist:fA14 i1="03"><s1>Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410</s1>
<s2>91405 Orsay</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Mathon, Marie Helene" sort="Mathon, Marie Helene" uniqKey="Mathon M" first="Marie-Hélène" last="Mathon">Marie-Hélène Mathon</name>
<affiliation><inist:fA14 i1="04"><s1>Laboratoire Léon Brillouin, CEA-CNRS, CEA/Saclay</s1>
<s2>91191 Gif-sur-Yvette</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Kawasaki, Megumi" sort="Kawasaki, Megumi" uniqKey="Kawasaki M" first="Megumi" last="Kawasaki">Megumi Kawasaki</name>
<affiliation><inist:fA14 i1="05"><s1>Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong</s1>
<s2>Seongdong-gu, Seoul 133-791</s2>
<s3>KOR</s3>
<sZ>8 aut.</sZ>
</inist:fA14>
</affiliation>
<affiliation><inist:fA14 i1="06"><s1>Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California</s1>
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<s3>USA</s3>
<sZ>8 aut.</sZ>
<sZ>10 aut.</sZ>
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<author><name sortKey="Bradai, Djamel" sort="Bradai, Djamel" uniqKey="Bradai D" first="Djamel" last="Bradai">Djamel Bradai</name>
<affiliation><inist:fA14 i1="01"><s1>Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida</s1>
<s2>Alger</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Langdon, Terence G" sort="Langdon, Terence G" uniqKey="Langdon T" first="Terence G." last="Langdon">Terence G. Langdon</name>
<affiliation><inist:fA14 i1="06"><s1>Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California</s1>
<s2>Los Angeles, CA 90089-1453</s2>
<s3>USA</s3>
<sZ>8 aut.</sZ>
<sZ>10 aut.</sZ>
</inist:fA14>
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<affiliation><inist:fA14 i1="07"><s1>Materials Research Group, Faculty of Engineering and the Environment, University of Southampton</s1>
<s2>Southampton SO17 1BJ</s2>
<s3>GBR</s3>
<sZ>10 aut.</sZ>
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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>
<idno type="ISSN">0925-8388</idno>
<imprint><date when="2013">2013</date>
</imprint>
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<seriesStmt><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>
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<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>
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<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>
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<fA11 i1="01" i2="1"><s1>ABDEL YAZID KHEREDDINE</s1>
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<fA11 i1="03" i2="1"><s1>AZZEDDINE (Hiba)</s1>
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<fA11 i1="06" i2="1"><s1>HELBERT (Anne-Laure)</s1>
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<fA11 i1="07" i2="1"><s1>MATHON (Marie-Hélène)</s1>
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<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<fA14 i1="03"><s1>Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410</s1>
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<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
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<fA14 i1="04"><s1>Laboratoire Léon Brillouin, CEA-CNRS, CEA/Saclay</s1>
<s2>91191 Gif-sur-Yvette</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
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<fA14 i1="05"><s1>Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong</s1>
<s2>Seongdong-gu, Seoul 133-791</s2>
<s3>KOR</s3>
<sZ>8 aut.</sZ>
</fA14>
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<s2>Los Angeles, CA 90089-1453</s2>
<s3>USA</s3>
<sZ>8 aut.</sZ>
<sZ>10 aut.</sZ>
</fA14>
<fA14 i1="07"><s1>Materials Research Group, Faculty of Engineering and the Environment, University of Southampton</s1>
<s2>Southampton SO17 1BJ</s2>
<s3>GBR</s3>
<sZ>10 aut.</sZ>
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<fC01 i1="01" l="ENG"><s0>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.</s0>
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<s5>06</s5>
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<s5>07</s5>
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<s5>08</s5>
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<s5>09</s5>
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<s5>10</s5>
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<fC03 i1="10" i2="X" l="SPA"><s0>Estructura grano fino</s0>
<s5>10</s5>
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<s5>11</s5>
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<ET>Microstructures and textures of a Cu-Ni-Si alloy processed by high-pressure torsion</ET>
<AU>ABDEL YAZID KHEREDDINE; FAYÇAL HADJ LARBI; AZZEDDINE (Hiba); BAUDIN (Thierry); BRISSET (Francois); HELBERT (Anne-Laure); MATHON (Marie-Hélène); KAWASAKI (Megumi); BRADAI (Djamel); LANGDON (Terence G.)</AU>
<AF>Faculté de Physique, USTHB, BP 32 El-Alia, Dar El Beida/Alger/Algérie (1 aut., 2 aut., 3 aut., 9 aut.); CDTA, Haouch Oukil BP 17 Baba-Hassan/Algiers/Algérie (1 aut., 2 aut.); Université de Paris Sud, ICMMO, Laboratoire de Physico-Chimie de l'Ètat Solide, UMR CNRS 8182, Bâtiment 410/91405 Orsay/France (4 aut., 5 aut., 6 aut.); Laboratoire Léon Brillouin, CEA-CNRS, CEA/Saclay/91191 Gif-sur-Yvette/France (7 aut.); Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong/Seongdong-gu, Seoul 133-791/Corée, République de (8 aut.); Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California/Los Angeles, CA 90089-1453/Etats-Unis (8 aut., 10 aut.); Materials Research Group, Faculty of Engineering and the Environment, University of Southampton/Southampton SO17 1BJ/Royaume-Uni (10 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Royaume-Uni; Da. 2013; Vol. 574; Pp. 361-367; Bibl. 83 ref.</SO>
<LA>Anglais</LA>
<EA>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.</EA>
<CC>001B80A40E</CC>
<FD>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</FD>
<ED>Microstructure; Texture; Material processing; Grain refinement; Equiaxed structure; Grain size; Grain boundary misorientation; High angle grain boundary; Shear; Fine grain structure; Silicon additions; Cubic lattices; Copper base alloys; Nickel alloys; Ternary alloys; High pressure torsion</ED>
<SD>Tratamiento material; Estructura equiaxial; Desorientación plano de exfoliación; Límite intergranular gran ángulo; Estructura grano fino</SD>
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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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