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Surface-Mechanical Properties of Electrodeposited Cu-Al^sub 2^O3 Composite Coating and Effects of Processing Parameters
Cu/Al^sub 2^O3 composite coatings were prepared from acidic copper sulfate bath containing ultrafine Al^sub 2^O3 particles by direct current plating method to increase the surface-mechanical property of Cu for its possible use as electrical contact. Effect of ultrafine Al^sub 2^O3 particle concentra...
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| Published in: | Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2016-01, Vol.47 (1), p.388 |
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| container_title | Metallurgical and materials transactions. A, Physical metallurgy and materials science |
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| creator | Maharana, H S Ashok, Akarapu Pal, S Basu, A |
| description | Cu/Al^sub 2^O3 composite coatings were prepared from acidic copper sulfate bath containing ultrafine Al^sub 2^O3 particles by direct current plating method to increase the surface-mechanical property of Cu for its possible use as electrical contact. Effect of ultrafine Al^sub 2^O3 particle concentration in electrolyte and deposition current density on the surface-mechanical properties of the coatings was investigated. Coatings were characterized by scanning electron microscopy and X-ray diffraction (XRD) techniques for the purpose of surface morphology and phase study. From XRD data, crystallographic texture of the coating was also analyzed. To study the mechanical properties, microhardness testing, adhesion, and wear test were carried out. Improved hardness of the resultant coatings was observed and was correlated with the wt pct of ultrafine particle in the Cu matrix, matrix structure, and crystallographic orientation. Better wear property of the composite coating was also reported from the wear plot and wear track morphology. Altogether, better coating property was attributed toward finer matrix, hard reinforced phase, and preferred orientation in selected conditions. Electrical conductivity of the coating was affected by grain size and second-phase concentration, and the values obtained were in the usable range required for electrical applications. |
| doi_str_mv | 10.1007/s11661-015-3238-0 |
| format | article |
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Effect of ultrafine Al^sub 2^O3 particle concentration in electrolyte and deposition current density on the surface-mechanical properties of the coatings was investigated. Coatings were characterized by scanning electron microscopy and X-ray diffraction (XRD) techniques for the purpose of surface morphology and phase study. From XRD data, crystallographic texture of the coating was also analyzed. To study the mechanical properties, microhardness testing, adhesion, and wear test were carried out. Improved hardness of the resultant coatings was observed and was correlated with the wt pct of ultrafine particle in the Cu matrix, matrix structure, and crystallographic orientation. Better wear property of the composite coating was also reported from the wear plot and wear track morphology. Altogether, better coating property was attributed toward finer matrix, hard reinforced phase, and preferred orientation in selected conditions. 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A, Physical metallurgy and materials science</title><description>Cu/Al^sub 2^O3 composite coatings were prepared from acidic copper sulfate bath containing ultrafine Al^sub 2^O3 particles by direct current plating method to increase the surface-mechanical property of Cu for its possible use as electrical contact. Effect of ultrafine Al^sub 2^O3 particle concentration in electrolyte and deposition current density on the surface-mechanical properties of the coatings was investigated. Coatings were characterized by scanning electron microscopy and X-ray diffraction (XRD) techniques for the purpose of surface morphology and phase study. From XRD data, crystallographic texture of the coating was also analyzed. To study the mechanical properties, microhardness testing, adhesion, and wear test were carried out. Improved hardness of the resultant coatings was observed and was correlated with the wt pct of ultrafine particle in the Cu matrix, matrix structure, and crystallographic orientation. 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A, Physical metallurgy and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maharana, H S</au><au>Ashok, Akarapu</au><au>Pal, S</au><au>Basu, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface-Mechanical Properties of Electrodeposited Cu-Al^sub 2^O3 Composite Coating and Effects of Processing Parameters</atitle><jtitle>Metallurgical and materials transactions. A, Physical metallurgy and materials science</jtitle><date>2016-01-01</date><risdate>2016</risdate><volume>47</volume><issue>1</issue><spage>388</spage><pages>388-</pages><issn>1073-5623</issn><eissn>1543-1940</eissn><coden>MMTAEB</coden><abstract>Cu/Al^sub 2^O3 composite coatings were prepared from acidic copper sulfate bath containing ultrafine Al^sub 2^O3 particles by direct current plating method to increase the surface-mechanical property of Cu for its possible use as electrical contact. Effect of ultrafine Al^sub 2^O3 particle concentration in electrolyte and deposition current density on the surface-mechanical properties of the coatings was investigated. Coatings were characterized by scanning electron microscopy and X-ray diffraction (XRD) techniques for the purpose of surface morphology and phase study. From XRD data, crystallographic texture of the coating was also analyzed. To study the mechanical properties, microhardness testing, adhesion, and wear test were carried out. Improved hardness of the resultant coatings was observed and was correlated with the wt pct of ultrafine particle in the Cu matrix, matrix structure, and crystallographic orientation. Better wear property of the composite coating was also reported from the wear plot and wear track morphology. Altogether, better coating property was attributed toward finer matrix, hard reinforced phase, and preferred orientation in selected conditions. Electrical conductivity of the coating was affected by grain size and second-phase concentration, and the values obtained were in the usable range required for electrical applications.</abstract><cop>New York</cop><pub>Springer Nature B.V</pub><doi>10.1007/s11661-015-3238-0</doi></addata></record> |
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| issn | 1073-5623 1543-1940 |
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| subjects | Composite materials Mechanical properties Scanning electron microscopy Studies |
| title | Surface-Mechanical Properties of Electrodeposited Cu-Al^sub 2^O3 Composite Coating and Effects of Processing Parameters |
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