A hybrid model to determine mechanical properties of soft polymers by nanoindentation
In nanoindentation tests for soft polymers, the elastic modulus estimated from the Hertz model varies with applied force, implying the effect of adhesion work needs to be considered in contact theory. In this article, a hybrid method of combining the Hertz model and the Johnson–Kendall–Roberts (JKR)...
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Veröffentlicht in: | Mechanics of materials 2010-12, Vol.42 (12), p.1043-1047 |
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creator | Liao, Qinzhuo Huang, Jianyong Zhu, Tao Xiong, Chunyang Fang, Jing |
description | In nanoindentation tests for soft polymers, the elastic modulus estimated from the Hertz model varies with applied force, implying the effect of adhesion work needs to be considered in contact theory. In this article, a hybrid method of combining the Hertz model and the Johnson–Kendall–Roberts (JKR) model is presented, to analytically explain the descending phenomenon of the modulus estimation by considering adhesive effects. Thus both the force-independent elastic modulus and the adhesion work can be evaluated by fitting the experimental data, without need to know the adhesive force in advance. The successful application to the measurement of polydimethylsiloxane (PDMS) material’s elastic modulus demonstrates the method is applicable to the mechanical characterization of soft polymers by nanoindentation. |
doi_str_mv | 10.1016/j.mechmat.2010.09.005 |
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In this article, a hybrid method of combining the Hertz model and the Johnson–Kendall–Roberts (JKR) model is presented, to analytically explain the descending phenomenon of the modulus estimation by considering adhesive effects. Thus both the force-independent elastic modulus and the adhesion work can be evaluated by fitting the experimental data, without need to know the adhesive force in advance. The successful application to the measurement of polydimethylsiloxane (PDMS) material’s elastic modulus demonstrates the method is applicable to the mechanical characterization of soft polymers by nanoindentation.</description><subject>Adhesion</subject><subject>Adhesion tests</subject><subject>Adhesives</subject><subject>Applied sciences</subject><subject>Contact</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Elastic modulus</subject><subject>Elasticity</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Materials science</subject><subject>Materials testing</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Mechanical properties</subject><subject>Modulus of elasticity</subject><subject>Nanoindentation</subject><subject>Physical properties</subject><subject>Physics</subject><subject>Polymer</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Properties and testing</subject><subject>Solid mechanics</subject><subject>Static elasticity (thermoelasticity...)</subject><subject>Structural and continuum mechanics</subject><subject>Technology of polymers</subject><issn>0167-6636</issn><issn>1872-7743</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWKuPIGQjrqYmk2aSrqQUb1BwY9chkzlDU2aSMUmFeXsztLh1deDw_efyIXRPyYISWj0dFj2Yfa_ToiS5R1YLQvgFmlEpykKIJbtEs8yJoqpYdY1uYjyQTKy4mKHdGu_HOtgG976BDiePG0gQeusAT2O1s0Z3eAh-gJAsROxbHH2b8OC7sYcQcT1ip523rgGXdLLe3aKrVncR7s51jnavL1-b92L7-faxWW8LwwRNRcWhYaIxGtqWMka5AF5LIzXUum6lIZTWppIMBKUVL3ldErKUS6Ck5itJBJujx9PcfN73EWJSvY0Guk478MeoJOeVFFLwTPITaYKPMUCrhmB7HUZFiZosqoM6W1STRUVWKjvKuYfzBh2zhzZoZ2z8C5eMkyWn0yXPJw7yuz8WgorGgjPQ2AAmqcbbfzb9Aju-i74</recordid><startdate>20101201</startdate><enddate>20101201</enddate><creator>Liao, Qinzhuo</creator><creator>Huang, Jianyong</creator><creator>Zhu, Tao</creator><creator>Xiong, Chunyang</creator><creator>Fang, Jing</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20101201</creationdate><title>A hybrid model to determine mechanical properties of soft polymers by nanoindentation</title><author>Liao, Qinzhuo ; 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subjects | Adhesion Adhesion tests Adhesives Applied sciences Contact Cross-disciplinary physics: materials science rheology Elastic modulus Elasticity Exact sciences and technology Fundamental areas of phenomenology (including applications) Materials science Materials testing Mathematical analysis Mathematical models Mechanical properties Modulus of elasticity Nanoindentation Physical properties Physics Polymer Polymer industry, paints, wood Polymers Properties and testing Solid mechanics Static elasticity (thermoelasticity...) Structural and continuum mechanics Technology of polymers |
title | A hybrid model to determine mechanical properties of soft polymers by nanoindentation |
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