CobaltMaghrebV1, PascalFrancis, Curation, bibRecord, 000252

Electrical conductivity of new zinc phosphate glass/metal composites

Identifieur interne : 000252 ( PascalFrancis/Curation ); précédent : 000251; suivant : 000253

Electrical conductivity of new zinc phosphate glass/metal composites

Auteurs : A. Maaroufi [Maroc] ; O. Oabi [Maroc] ; G. Pinto [Espagne] ; M. Ouchetto [Maroc] ; R. Benavente [Espagne] ; J. M. Perena [Espagne]

Source :

Journal of non-crystalline solids [ 0022-3093 ] ; 2012.

RBID : Pascal:12-0416088

Descripteurs français

Pascal (Inist)
- Conductivité électrique, Stabilité thermique, Analyse thermique différentielle, Microstructure, Fraction volumique, Porosité, Diffraction RX, Transition vitreuse, Modèle statistique, Théorie percolation, Matériau renforcé dispersion, Phosphate de zinc, Verre phosphate, Matériau composite, Oxyde de zinc, Poudre métallique, Nickel, Cobalt, Métal transition.
Wicri :
- topic : Matériau composite, Nickel, Cobalt.

English descriptors

KwdEn :
- Cobalt, Composite materials, Differential thermal analysis, Dispersion reinforced material, Electrical conductivity, Glass transition, Metal powder, Microstructure, Nickel, Percolation theory, Phosphate glass, Porosity, Statistical models, Thermal stability, Transition elements, Volume fraction, XRD, Zinc oxide, Zinc phosphate.

Abstract

Zinc phosphate-glass/metal composites have been successfully prepared. Glass with composition of 45 mol% ZnO-55 mol% P₂O₅ (ZP) has been filled with metallic powders (nickel and cobalt). The glass matrix thermal stability has been assessed by differential thermal analysis technique. The morphology has been examined by scanning electronic microscopy, showing almost homogenous composites. Comparison between the measured and calculated densities as a function of metallic content exhibits a good coherence and allows the estimation of porosity inside the composites. X-ray diffraction analysis has revealed that the ZP-matrix phase is amorphous when the temperature treatment is below the glass transition temperature T_g. However, the principal peaks observed in the case of the composites have been assigned to the metallic crystals of nickel or cobalt fillers. It has been found that the phosphate glass phase is not affected by the growing of the metallic network. The electronic conductivity measurements versus filler volume fraction have been investigated for the first time on phosphate-glass/metal composites. This study has shown the occurrence of a conducting transition at around 30% filler volume fraction. The obtained result has been interpreted on the basis of the statistical percolation theory frame.

A01	`01`	`1`		`@0 0022-3093`
A02	`01`			`@0 JNCSBJ`
A03		`1`		`@0 J. non-cryst. solids`
A05				`@2 358`
A06				`@2 20`
A08	`01`	`1`	`ENG`	`@1 Electrical conductivity of new zinc phosphate glass/metal composites`
A11	`01`	`1`		`@1 MAAROUFI (A.)`
A11	`02`	`1`		`@1 OABI (O.)`
A11	`03`	`1`		`@1 PINTO (G.)`
A11	`04`	`1`		`@1 OUCHETTO (M.)`
A11	`05`	`1`		`@1 BENAVENTE (R.)`
A11	`06`	`1`		`@1 PERENA (J. M.)`
A14	`01`			`@1 University of Mohammed V Agdal, Faculty of Sciences, Department of Chemistry, Laboratory of Composite Materials, Polymers and Environment, Avenue Ibn Batouta, P.B. 1014 @2 Rabat Agdal @3 MAR @Z 1 aut. @Z 2 aut.`
A14	`02`			`@1 Universidad Polirécnica de Madrid, Departamento de Ingenieria Quimica Industrial y del Medio Ambiente, E.T.S.I. Industriales @2 28006 Madrid @3 ESP @Z 3 aut.`
A14	`03`			`@1 Université Mohammed V Agdal, Faculté des Sciences, Departement de Chimie, Laboratoire de Chimie du Solide Appliquée, LAF 501, Avenue Ibn Batouta, B.P: 1014 @2 Rabat Agdal @3 MAR @Z 4 aut.`
A14	`04`			`@1 Instituto de Ciencia y Tecnologia de Polímeros (ICTP-CSIC), Juan de la Cierva, 3 @2 28006 Madrid @3 ESP @Z 5 aut. @Z 6 aut.`
A20				`@1 2764-2770`
A21				`@1 2012`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 14572 @5 354000509534630070`
A44				`@0 0000 @1 © 2012 INIST-CNRS. All rights reserved.`
A45				`@0 43 ref.`
A47	`01`	`1`		`@0 12-0416088`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of non-crystalline solids`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 Zinc phosphate-glass/metal composites have been successfully prepared. Glass with composition of 45 mol% ZnO-55 mol% P₂O₅ (ZP) has been filled with metallic powders (nickel and cobalt). The glass matrix thermal stability has been assessed by differential thermal analysis technique. The morphology has been examined by scanning electronic microscopy, showing almost homogenous composites. Comparison between the measured and calculated densities as a function of metallic content exhibits a good coherence and allows the estimation of porosity inside the composites. X-ray diffraction analysis has revealed that the ZP-matrix phase is amorphous when the temperature treatment is below the glass transition temperature T_g. However, the principal peaks observed in the case of the composites have been assigned to the metallic crystals of nickel or cobalt fillers. It has been found that the phosphate glass phase is not affected by the growing of the metallic network. The electronic conductivity measurements versus filler volume fraction have been investigated for the first time on phosphate-glass/metal composites. This study has shown the occurrence of a conducting transition at around 30% filler volume fraction. The obtained result has been interpreted on the basis of the statistical percolation theory frame.
C02	`01`	`3`		`@0 001B70B80T`
C03	`01`	`3`	`FRE`	`@0 Conductivité électrique @5 02`
C03	`01`	`3`	`ENG`	`@0 Electrical conductivity @5 02`
C03	`02`	`3`	`FRE`	`@0 Stabilité thermique @5 03`
C03	`02`	`3`	`ENG`	`@0 Thermal stability @5 03`
C03	`03`	`3`	`FRE`	`@0 Analyse thermique différentielle @5 04`
C03	`03`	`3`	`ENG`	`@0 Differential thermal analysis @5 04`
C03	`04`	`3`	`FRE`	`@0 Microstructure @5 05`
C03	`04`	`3`	`ENG`	`@0 Microstructure @5 05`
C03	`05`	`X`	`FRE`	`@0 Fraction volumique @5 06`
C03	`05`	`X`	`ENG`	`@0 Volume fraction @5 06`
C03	`05`	`X`	`SPA`	`@0 Fracción volumétrica @5 06`
C03	`06`	`3`	`FRE`	`@0 Porosité @5 07`
C03	`06`	`3`	`ENG`	`@0 Porosity @5 07`
C03	`07`	`3`	`FRE`	`@0 Diffraction RX @5 08`
C03	`07`	`3`	`ENG`	`@0 XRD @5 08`
C03	`08`	`3`	`FRE`	`@0 Transition vitreuse @5 09`
C03	`08`	`3`	`ENG`	`@0 Glass transition @5 09`
C03	`09`	`3`	`FRE`	`@0 Modèle statistique @5 10`
C03	`09`	`3`	`ENG`	`@0 Statistical models @5 10`
C03	`10`	`3`	`FRE`	`@0 Théorie percolation @5 12`
C03	`10`	`3`	`ENG`	`@0 Percolation theory @5 12`
C03	`11`	`X`	`FRE`	`@0 Matériau renforcé dispersion @5 13`
C03	`11`	`X`	`ENG`	`@0 Dispersion reinforced material @5 13`
C03	`11`	`X`	`SPA`	`@0 Material renforzado dispersión @5 13`
C03	`12`	`X`	`FRE`	`@0 Phosphate de zinc @5 15`
C03	`12`	`X`	`ENG`	`@0 Zinc phosphate @5 15`
C03	`12`	`X`	`SPA`	`@0 Zinc fosfato @5 15`
C03	`13`	`3`	`FRE`	`@0 Verre phosphate @5 16`
C03	`13`	`3`	`ENG`	`@0 Phosphate glass @5 16`
C03	`14`	`3`	`FRE`	`@0 Matériau composite @5 17`
C03	`14`	`3`	`ENG`	`@0 Composite materials @5 17`
C03	`15`	`X`	`FRE`	`@0 Oxyde de zinc @5 18`
C03	`15`	`X`	`ENG`	`@0 Zinc oxide @5 18`
C03	`15`	`X`	`SPA`	`@0 Zinc óxido @5 18`
C03	`16`	`X`	`FRE`	`@0 Poudre métallique @5 19`
C03	`16`	`X`	`ENG`	`@0 Metal powder @5 19`
C03	`16`	`X`	`SPA`	`@0 Polvo metálico @5 19`
C03	`17`	`3`	`FRE`	`@0 Nickel @2 NC @5 20`
C03	`17`	`3`	`ENG`	`@0 Nickel @2 NC @5 20`
C03	`18`	`3`	`FRE`	`@0 Cobalt @2 NC @5 21`
C03	`18`	`3`	`ENG`	`@0 Cobalt @2 NC @5 21`
C03	`19`	`3`	`FRE`	`@0 Métal transition @5 48`
C03	`19`	`3`	`ENG`	`@0 Transition elements @5 48`
N21				`@1 324`

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Le document en format XML

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<s2>Rabat Agdal</s2>
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<s2>Rabat Agdal</s2>
<s3>MAR</s3>
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<s2>28006 Madrid</s2>
<s3>ESP</s3>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
</affiliation>
</author>
<author><name sortKey="Ouchetto, M" sort="Ouchetto, M" uniqKey="Ouchetto M" first="M." last="Ouchetto">M. Ouchetto</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Université Mohammed V Agdal, Faculté des Sciences, Departement de Chimie, Laboratoire de Chimie du Solide Appliquée, LAF 501, Avenue Ibn Batouta, B.P: 1014</s1>
<s2>Rabat Agdal</s2>
<s3>MAR</s3>
<sZ>4 aut.</sZ>
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<country>Maroc</country>
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<author><name sortKey="Benavente, R" sort="Benavente, R" uniqKey="Benavente R" first="R." last="Benavente">R. Benavente</name>
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<s3>ESP</s3>
<sZ>5 aut.</sZ>
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<series><title level="j" type="main">Journal of non-crystalline solids</title>
<title level="j" type="abbreviated">J. non-cryst. solids</title>
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<imprint><date when="2012">2012</date>
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<title level="j" type="abbreviated">J. non-cryst. solids</title>
<idno type="ISSN">0022-3093</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt</term>
<term>Composite materials</term>
<term>Differential thermal analysis</term>
<term>Dispersion reinforced material</term>
<term>Electrical conductivity</term>
<term>Glass transition</term>
<term>Metal powder</term>
<term>Microstructure</term>
<term>Nickel</term>
<term>Percolation theory</term>
<term>Phosphate glass</term>
<term>Porosity</term>
<term>Statistical models</term>
<term>Thermal stability</term>
<term>Transition elements</term>
<term>Volume fraction</term>
<term>XRD</term>
<term>Zinc oxide</term>
<term>Zinc phosphate</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Conductivité électrique</term>
<term>Stabilité thermique</term>
<term>Analyse thermique différentielle</term>
<term>Microstructure</term>
<term>Fraction volumique</term>
<term>Porosité</term>
<term>Diffraction RX</term>
<term>Transition vitreuse</term>
<term>Modèle statistique</term>
<term>Théorie percolation</term>
<term>Matériau renforcé dispersion</term>
<term>Phosphate de zinc</term>
<term>Verre phosphate</term>
<term>Matériau composite</term>
<term>Oxyde de zinc</term>
<term>Poudre métallique</term>
<term>Nickel</term>
<term>Cobalt</term>
<term>Métal transition</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Matériau composite</term>
<term>Nickel</term>
<term>Cobalt</term>
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<front><div type="abstract" xml:lang="en">Zinc phosphate-glass/metal composites have been successfully prepared. Glass with composition of 45 mol% ZnO-55 mol% P<sub>2</sub>
O<sub>5</sub>
 (ZP) has been filled with metallic powders (nickel and cobalt). The glass matrix thermal stability has been assessed by differential thermal analysis technique. The morphology has been examined by scanning electronic microscopy, showing almost homogenous composites. Comparison between the measured and calculated densities as a function of metallic content exhibits a good coherence and allows the estimation of porosity inside the composites. X-ray diffraction analysis has revealed that the ZP-matrix phase is amorphous when the temperature treatment is below the glass transition temperature T<sub>g</sub>
. However, the principal peaks observed in the case of the composites have been assigned to the metallic crystals of nickel or cobalt fillers. It has been found that the phosphate glass phase is not affected by the growing of the metallic network. The electronic conductivity measurements versus filler volume fraction have been investigated for the first time on phosphate-glass/metal composites. This study has shown the occurrence of a conducting transition at around 30% filler volume fraction. The obtained result has been interpreted on the basis of the statistical percolation theory frame.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-3093</s0>
</fA01>
<fA02 i1="01"><s0>JNCSBJ</s0>
</fA02>
<fA03 i2="1"><s0>J. non-cryst. solids</s0>
</fA03>
<fA05><s2>358</s2>
</fA05>
<fA06><s2>20</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Electrical conductivity of new zinc phosphate glass/metal composites</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>MAAROUFI (A.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>OABI (O.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>PINTO (G.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>OUCHETTO (M.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>BENAVENTE (R.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>PERENA (J. M.)</s1>
</fA11>
<fA14 i1="01"><s1>University of Mohammed V Agdal, Faculty of Sciences, Department of Chemistry, Laboratory of Composite Materials, Polymers and Environment, Avenue Ibn Batouta, P.B. 1014</s1>
<s2>Rabat Agdal</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Universidad Polirécnica de Madrid, Departamento de Ingenieria Quimica Industrial y del Medio Ambiente, E.T.S.I. Industriales</s1>
<s2>28006 Madrid</s2>
<s3>ESP</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Université Mohammed V Agdal, Faculté des Sciences, Departement de Chimie, Laboratoire de Chimie du Solide Appliquée, LAF 501, Avenue Ibn Batouta, B.P: 1014</s1>
<s2>Rabat Agdal</s2>
<s3>MAR</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Instituto de Ciencia y Tecnologia de Polímeros (ICTP-CSIC), Juan de la Cierva, 3</s1>
<s2>28006 Madrid</s2>
<s3>ESP</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA20><s1>2764-2770</s1>
</fA20>
<fA21><s1>2012</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>14572</s2>
<s5>354000509534630070</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2012 INIST-CNRS. All rights reserved.</s1>
</fA44>
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</fA45>
<fA47 i1="01" i2="1"><s0>12-0416088</s0>
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<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of non-crystalline solids</s0>
</fA64>
<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Zinc phosphate-glass/metal composites have been successfully prepared. Glass with composition of 45 mol% ZnO-55 mol% P<sub>2</sub>
O<sub>5</sub>
 (ZP) has been filled with metallic powders (nickel and cobalt). The glass matrix thermal stability has been assessed by differential thermal analysis technique. The morphology has been examined by scanning electronic microscopy, showing almost homogenous composites. Comparison between the measured and calculated densities as a function of metallic content exhibits a good coherence and allows the estimation of porosity inside the composites. X-ray diffraction analysis has revealed that the ZP-matrix phase is amorphous when the temperature treatment is below the glass transition temperature T<sub>g</sub>
. However, the principal peaks observed in the case of the composites have been assigned to the metallic crystals of nickel or cobalt fillers. It has been found that the phosphate glass phase is not affected by the growing of the metallic network. The electronic conductivity measurements versus filler volume fraction have been investigated for the first time on phosphate-glass/metal composites. This study has shown the occurrence of a conducting transition at around 30% filler volume fraction. The obtained result has been interpreted on the basis of the statistical percolation theory frame.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B70B80T</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Conductivité électrique</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Electrical conductivity</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Stabilité thermique</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Thermal stability</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Analyse thermique différentielle</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Differential thermal analysis</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Microstructure</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Microstructure</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Fraction volumique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Volume fraction</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Fracción volumétrica</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Porosité</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Porosity</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Diffraction RX</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>XRD</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Transition vitreuse</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Glass transition</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Modèle statistique</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Statistical models</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Théorie percolation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Percolation theory</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Matériau renforcé dispersion</s0>
<s5>13</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Dispersion reinforced material</s0>
<s5>13</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Material renforzado dispersión</s0>
<s5>13</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Phosphate de zinc</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Zinc phosphate</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Zinc fosfato</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>Verre phosphate</s0>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG"><s0>Phosphate glass</s0>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Matériau composite</s0>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG"><s0>Composite materials</s0>
<s5>17</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Oxyde de zinc</s0>
<s5>18</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Zinc oxide</s0>
<s5>18</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Zinc óxido</s0>
<s5>18</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Poudre métallique</s0>
<s5>19</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Metal powder</s0>
<s5>19</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Polvo metálico</s0>
<s5>19</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>Nickel</s0>
<s2>NC</s2>
<s5>20</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>Nickel</s0>
<s2>NC</s2>
<s5>20</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>Cobalt</s0>
<s2>NC</s2>
<s5>21</s5>
</fC03>
<fC03 i1="18" i2="3" l="ENG"><s0>Cobalt</s0>
<s2>NC</s2>
<s5>21</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>Métal transition</s0>
<s5>48</s5>
</fC03>
<fC03 i1="19" i2="3" l="ENG"><s0>Transition elements</s0>
<s5>48</s5>
</fC03>
<fN21><s1>324</s1>
</fN21>
</pA>
</standard>
</inist>
</record>

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Serveur d'exploration sur le cobalt au Maghreb

Electrical conductivity of new zinc phosphate glass/metal composites

Electrical conductivity of new zinc phosphate glass/metal composites

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