Detailed modelling of delamination buckling of thin films under global tension
Tensile specimens of metal films on compliant substrates are widely used for determining interfacial properties. These properties are identified by the comparison of experimentally observed delamination buckling and a mathematical model which contains the interface properties as parameters. The curr...
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Veröffentlicht in: | Acta materialia 2013-04, Vol.61 (7), p.2425-2433 |
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creator | Toth, F. Rammerstorfer, F.G. Cordill, M.J. Fischer, F.D. |
description | Tensile specimens of metal films on compliant substrates are widely used for determining interfacial properties. These properties are identified by the comparison of experimentally observed delamination buckling and a mathematical model which contains the interface properties as parameters. The current two-dimensional models for delamination buckling are not able to capture the complex stress and deformation states arising in the considered uniaxial tension test in a satisfying way. Therefore, three-dimensional models are developed in a multi-scale approach. It is shown that, for the considered uniaxial tension test, the buckling and associated delamination process are initiated and driven by interfacial shear in addition to compressive stresses in the film. The proposed model is able to reproduce all important experimentally observed phenomena, like cracking stress of the film, film strip curvature and formation of triangular buckles. Combined with experimental data, the developed computational model is found to be effective in determining interface strength properties. |
doi_str_mv | 10.1016/j.actamat.2013.01.014 |
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These properties are identified by the comparison of experimentally observed delamination buckling and a mathematical model which contains the interface properties as parameters. The current two-dimensional models for delamination buckling are not able to capture the complex stress and deformation states arising in the considered uniaxial tension test in a satisfying way. Therefore, three-dimensional models are developed in a multi-scale approach. It is shown that, for the considered uniaxial tension test, the buckling and associated delamination process are initiated and driven by interfacial shear in addition to compressive stresses in the film. The proposed model is able to reproduce all important experimentally observed phenomena, like cracking stress of the film, film strip curvature and formation of triangular buckles. Combined with experimental data, the developed computational model is found to be effective in determining interface strength properties.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2013.01.014</identifier><identifier>PMID: 23555179</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Buckling ; Cross-disciplinary physics: materials science; rheology ; Delamination ; Exact sciences and technology ; Finite elements ; Materials science ; Mechanical testing ; Metals. 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These properties are identified by the comparison of experimentally observed delamination buckling and a mathematical model which contains the interface properties as parameters. The current two-dimensional models for delamination buckling are not able to capture the complex stress and deformation states arising in the considered uniaxial tension test in a satisfying way. Therefore, three-dimensional models are developed in a multi-scale approach. It is shown that, for the considered uniaxial tension test, the buckling and associated delamination process are initiated and driven by interfacial shear in addition to compressive stresses in the film. The proposed model is able to reproduce all important experimentally observed phenomena, like cracking stress of the film, film strip curvature and formation of triangular buckles. Combined with experimental data, the developed computational model is found to be effective in determining interface strength properties.</description><subject>Applied sciences</subject><subject>Buckling</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Delamination</subject><subject>Exact sciences and technology</subject><subject>Finite elements</subject><subject>Materials science</subject><subject>Mechanical testing</subject><subject>Metals. Metallurgy</subject><subject>Methods of deposition of films and coatings; film growth and epitaxy</subject><subject>Physics</subject><subject>Thin film</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkU1v1DAQhiMEoqXwE0C5IHHJ4m8nF1BVaEGq4AJna-JMtl4cu9hOJf49Xu22wAlpJI80z7wznrdpXlKyoYSqt7sN2AILlA0jlG8IrSEeNae017xjQvLHNedy6JSQ4qR5lvOOEMq0IE-bE8allFQPp82XD1jAeZzaJU7ovQvbNs5tTWFxAYqLoR1X--O-UG5caGfnl9yuYcLUbn0cwbcFQ67s8-bJDD7ji-N71ny__Pjt4lN3_fXq88X5dWfFoEunQSBMqucMlSZM6wl70ETPmqgRLZE4jLNQQIm0dib9SCdltSVs5vWzI-NnzbuD7u06LjhZDCWBN7fJLZB-mQjO_FsJ7sZs453hqmoKXgXeHAVS_LliLmZx2dYDQMC4ZkN7pqTuidrPkgfUpphzwvlhDCVm74XZmaMXZu-FIbSGqH2v_t7xoev--BV4fQQgW_BzgmBd_sNpquggSeXeHzisF71zmEy2DoPFySW0xUzR_WeV32O4q8g</recordid><startdate>20130401</startdate><enddate>20130401</enddate><creator>Toth, F.</creator><creator>Rammerstorfer, F.G.</creator><creator>Cordill, M.J.</creator><creator>Fischer, F.D.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Elsevier Science</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20130401</creationdate><title>Detailed modelling of delamination buckling of thin films under global tension</title><author>Toth, F. ; Rammerstorfer, F.G. ; Cordill, M.J. ; Fischer, F.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c497t-7a4ead6832e670277de8a707f706bec05e9bf46a105ccf08b1d6c7c02f3013b23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Buckling</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Delamination</topic><topic>Exact sciences and technology</topic><topic>Finite elements</topic><topic>Materials science</topic><topic>Mechanical testing</topic><topic>Metals. Metallurgy</topic><topic>Methods of deposition of films and coatings; film growth and epitaxy</topic><topic>Physics</topic><topic>Thin film</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Toth, F.</creatorcontrib><creatorcontrib>Rammerstorfer, F.G.</creatorcontrib><creatorcontrib>Cordill, M.J.</creatorcontrib><creatorcontrib>Fischer, F.D.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Toth, F.</au><au>Rammerstorfer, F.G.</au><au>Cordill, M.J.</au><au>Fischer, F.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detailed modelling of delamination buckling of thin films under global tension</atitle><jtitle>Acta materialia</jtitle><addtitle>Acta Mater</addtitle><date>2013-04-01</date><risdate>2013</risdate><volume>61</volume><issue>7</issue><spage>2425</spage><epage>2433</epage><pages>2425-2433</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>Tensile specimens of metal films on compliant substrates are widely used for determining interfacial properties. These properties are identified by the comparison of experimentally observed delamination buckling and a mathematical model which contains the interface properties as parameters. The current two-dimensional models for delamination buckling are not able to capture the complex stress and deformation states arising in the considered uniaxial tension test in a satisfying way. Therefore, three-dimensional models are developed in a multi-scale approach. It is shown that, for the considered uniaxial tension test, the buckling and associated delamination process are initiated and driven by interfacial shear in addition to compressive stresses in the film. The proposed model is able to reproduce all important experimentally observed phenomena, like cracking stress of the film, film strip curvature and formation of triangular buckles. Combined with experimental data, the developed computational model is found to be effective in determining interface strength properties.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23555179</pmid><doi>10.1016/j.actamat.2013.01.014</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Applied sciences Buckling Cross-disciplinary physics: materials science rheology Delamination Exact sciences and technology Finite elements Materials science Mechanical testing Metals. Metallurgy Methods of deposition of films and coatings film growth and epitaxy Physics Thin film |
title | Detailed modelling of delamination buckling of thin films under global tension |
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