Dislocation indentation size effect in KCl single crystals
A systematic range of nanoindentation measurements on (001) KCl single crystals was performed to differentiate between true size effects and other factors that can give rise to an apparent increase in hardness. The hardness and Young's modulus values were determined by combining the load–displa...
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| Veröffentlicht in: | Physica status solidi. A, Applications and materials science Applications and materials science, 2005-10, Vol.202 (13), p.2454-2461 |
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| container_title | Physica status solidi. A, Applications and materials science |
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| creator | Soifer, Ya. M. Verdyan, A. |
| description | A systematic range of nanoindentation measurements on (001) KCl single crystals was performed to differentiate between true size effects and other factors that can give rise to an apparent increase in hardness. The hardness and Young's modulus values were determined by combining the load–displacement data with measurement of the topography of the residual indent using atomic force microscopy (AFM). AFM data allowed the estimation of the true contact area, subsequently used to recalculate the hardness and Young's modulus of the material more accurately. It was shown that there was an apparent increase in hardness as the applied load decreased. The results obtained were considered in terms of different dislocation models describing the indentation size effect involving models based on both bulk and surface effects. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim) |
| doi_str_mv | 10.1002/pssa.200520084 |
| format | Article |
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KGaA, Weinheim)</description><identifier>ISSN: 1862-6300</identifier><identifier>ISSN: 0031-8965</identifier><identifier>EISSN: 1862-6319</identifier><identifier>EISSN: 1521-396X</identifier><identifier>DOI: 10.1002/pssa.200520084</identifier><identifier>CODEN: PSSABA</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><subject>61.72.Hh ; 62.20.Fe ; 62.20.Qp ; 62.25.+g ; 68.37.Ps ; 81.70.Bt ; Condensed matter: structure, mechanical and thermal properties ; Defects and impurities in crystals; microstructure ; Exact sciences and technology ; Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, epr, nmr, etc.) ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of solids ; Physics ; Structure of solids and liquids; crystallography ; Tribology and hardness</subject><ispartof>Physica status solidi. A, Applications and materials science, 2005-10, Vol.202 (13), p.2454-2461</ispartof><rights>Copyright © 2005 WILEY‐VCH Verlag GmbH & Co. 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M.</creatorcontrib><creatorcontrib>Verdyan, A.</creatorcontrib><title>Dislocation indentation size effect in KCl single crystals</title><title>Physica status solidi. A, Applications and materials science</title><addtitle>phys. stat. sol. (a)</addtitle><description>A systematic range of nanoindentation measurements on (001) KCl single crystals was performed to differentiate between true size effects and other factors that can give rise to an apparent increase in hardness. The hardness and Young's modulus values were determined by combining the load–displacement data with measurement of the topography of the residual indent using atomic force microscopy (AFM). AFM data allowed the estimation of the true contact area, subsequently used to recalculate the hardness and Young's modulus of the material more accurately. It was shown that there was an apparent increase in hardness as the applied load decreased. 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M.</creatorcontrib><creatorcontrib>Verdyan, A.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica status solidi. A, Applications and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Soifer, Ya. M.</au><au>Verdyan, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dislocation indentation size effect in KCl single crystals</atitle><jtitle>Physica status solidi. A, Applications and materials science</jtitle><addtitle>phys. stat. sol. (a)</addtitle><date>2005-10</date><risdate>2005</risdate><volume>202</volume><issue>13</issue><spage>2454</spage><epage>2461</epage><pages>2454-2461</pages><issn>1862-6300</issn><issn>0031-8965</issn><eissn>1862-6319</eissn><eissn>1521-396X</eissn><coden>PSSABA</coden><abstract>A systematic range of nanoindentation measurements on (001) KCl single crystals was performed to differentiate between true size effects and other factors that can give rise to an apparent increase in hardness. The hardness and Young's modulus values were determined by combining the load–displacement data with measurement of the topography of the residual indent using atomic force microscopy (AFM). AFM data allowed the estimation of the true contact area, subsequently used to recalculate the hardness and Young's modulus of the material more accurately. It was shown that there was an apparent increase in hardness as the applied load decreased. 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| ispartof | Physica status solidi. A, Applications and materials science, 2005-10, Vol.202 (13), p.2454-2461 |
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| subjects | 61.72.Hh 62.20.Fe 62.20.Qp 62.25.+g 68.37.Ps 81.70.Bt Condensed matter: structure, mechanical and thermal properties Defects and impurities in crystals microstructure Exact sciences and technology Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, epr, nmr, etc.) Mechanical and acoustical properties of condensed matter Mechanical properties of solids Physics Structure of solids and liquids crystallography Tribology and hardness |
| title | Dislocation indentation size effect in KCl single crystals |
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