Determination of the Mode I Interlaminar Fracture Toughness by Using a Nonlinear Double-Cantilever Beam Specimen
The aim of this study is estimation of the effect of large deflections of a double-cantilever beam (DCB) on the accuracy of determination of the mode I interlaminar fracture toughness G Ic of layered composites by using the nonlinear theory of bending of beams. The differential equation of the defle...
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| Veröffentlicht in: | Mechanics of composite materials 2016-07, Vol.52 (3), p.347-358 |
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| creator | Pavelko, V. Lapsa, K. Pavlovskis, P. |
| description | The aim of this study is estimation of the effect of large deflections of a double-cantilever beam (DCB) on the accuracy of determination of the mode I interlaminar fracture toughness G
Ic
of layered composites by using the nonlinear theory of bending of beams. The differential equation of the deflection curve of arm of the DCB specimen in the natural form was used to analyze the strain energy of the specimen and its strain energy release rate G
I
upon propagation of delamination under the action of cleavage forces at the ends of cantilevers. An algorithm for calculating the strain energy and its release rate in the DCB specimens is realized in the form of a MATLAB code. An experimental study was carried out on DCB specimens of a highly flexible carbon/epoxy laminate. The validity of the nonlinear model developed is demonstrated. The standard methods used to determine G
Ic
are refined for the case of highly flexible specimens. |
| doi_str_mv | 10.1007/s11029-016-9587-y |
| format | Article |
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Ic
of layered composites by using the nonlinear theory of bending of beams. The differential equation of the deflection curve of arm of the DCB specimen in the natural form was used to analyze the strain energy of the specimen and its strain energy release rate G
I
upon propagation of delamination under the action of cleavage forces at the ends of cantilevers. An algorithm for calculating the strain energy and its release rate in the DCB specimens is realized in the form of a MATLAB code. An experimental study was carried out on DCB specimens of a highly flexible carbon/epoxy laminate. The validity of the nonlinear model developed is demonstrated. The standard methods used to determine G
Ic
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Ic
of layered composites by using the nonlinear theory of bending of beams. The differential equation of the deflection curve of arm of the DCB specimen in the natural form was used to analyze the strain energy of the specimen and its strain energy release rate G
I
upon propagation of delamination under the action of cleavage forces at the ends of cantilevers. An algorithm for calculating the strain energy and its release rate in the DCB specimens is realized in the form of a MATLAB code. An experimental study was carried out on DCB specimens of a highly flexible carbon/epoxy laminate. The validity of the nonlinear model developed is demonstrated. The standard methods used to determine G
Ic
are refined for the case of highly flexible specimens.</description><subject>Algorithms</subject><subject>Analysis</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Composite materials</subject><subject>Composites</subject><subject>Deflection</subject><subject>Fracture toughness</subject><subject>Glass</subject><subject>Interlaminar</subject><subject>Laminated materials</subject><subject>Laminates</subject><subject>Materials Science</subject><subject>Matlab</subject><subject>Natural Materials</subject><subject>Nonlinearity</subject><subject>Solid Mechanics</subject><issn>0191-5665</issn><issn>1573-8922</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kcFO3DAQhqOqSN1CH6A3H9tDwOPEcXKkC7QrUSoVOFuOMw5Gib21nar79ngVLlyqOcxhvm-kmb8oPgM9B0rFRQSgrCspNGXHW1Ee3hUb4KIq246x98WGQgclbxr-ofgY4zOl2aLNpthfYcIwW6eS9Y54Q9ITkp9-QLIjO5dnkzpOA7kJSqclIHnwy_jkMEbSH8hjtG4kitx5N1mHmbvySz9huVUu2Qn_YiDfUM3kfo_azujOihOjpoifXvtp8Xhz_bD9Ud7--r7bXt6Wmld1KjlWHW9YA4YpZL1hDesptMPAtRj0AAMAZ0ZoLTjq1qAwqgIhGtX3pm4VrU6LL-veffB_FoxJzjZqnCbl0C9RQttVHdRQH9HzFR3VhNI641O-NdeAs9XeocmHyMta0LrjomNZ-PpGyEzCf2lUS4xyd__7LQsrq4OPMaCR-2BnFQ4SqDxGJ9foZI5OHqOTh-yw1YmZdSMG-eyX4PK7_iO9AJQqnLk</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>Pavelko, V.</creator><creator>Lapsa, K.</creator><creator>Pavlovskis, P.</creator><general>Springer US</general><general>Springer</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20160701</creationdate><title>Determination of the Mode I Interlaminar Fracture Toughness by Using a Nonlinear Double-Cantilever Beam Specimen</title><author>Pavelko, V. ; Lapsa, K. ; Pavlovskis, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c534t-5e3956261f2ae2bf262b018dd5c7dcd1d1152f7cc75ec8fe7fa31776abbf48a03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Algorithms</topic><topic>Analysis</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Composite materials</topic><topic>Composites</topic><topic>Deflection</topic><topic>Fracture toughness</topic><topic>Glass</topic><topic>Interlaminar</topic><topic>Laminated materials</topic><topic>Laminates</topic><topic>Materials Science</topic><topic>Matlab</topic><topic>Natural Materials</topic><topic>Nonlinearity</topic><topic>Solid Mechanics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pavelko, V.</creatorcontrib><creatorcontrib>Lapsa, K.</creatorcontrib><creatorcontrib>Pavlovskis, P.</creatorcontrib><collection>CrossRef</collection><collection>Science (Gale in Context)</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Mechanics of composite materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pavelko, V.</au><au>Lapsa, K.</au><au>Pavlovskis, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of the Mode I Interlaminar Fracture Toughness by Using a Nonlinear Double-Cantilever Beam Specimen</atitle><jtitle>Mechanics of composite materials</jtitle><stitle>Mech Compos Mater</stitle><date>2016-07-01</date><risdate>2016</risdate><volume>52</volume><issue>3</issue><spage>347</spage><epage>358</epage><pages>347-358</pages><issn>0191-5665</issn><eissn>1573-8922</eissn><abstract>The aim of this study is estimation of the effect of large deflections of a double-cantilever beam (DCB) on the accuracy of determination of the mode I interlaminar fracture toughness G
Ic
of layered composites by using the nonlinear theory of bending of beams. The differential equation of the deflection curve of arm of the DCB specimen in the natural form was used to analyze the strain energy of the specimen and its strain energy release rate G
I
upon propagation of delamination under the action of cleavage forces at the ends of cantilevers. An algorithm for calculating the strain energy and its release rate in the DCB specimens is realized in the form of a MATLAB code. An experimental study was carried out on DCB specimens of a highly flexible carbon/epoxy laminate. The validity of the nonlinear model developed is demonstrated. The standard methods used to determine G
Ic
are refined for the case of highly flexible specimens.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11029-016-9587-y</doi><tpages>12</tpages></addata></record> |
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| subjects | Algorithms Analysis Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Composite materials Composites Deflection Fracture toughness Glass Interlaminar Laminated materials Laminates Materials Science Matlab Natural Materials Nonlinearity Solid Mechanics |
| title | Determination of the Mode I Interlaminar Fracture Toughness by Using a Nonlinear Double-Cantilever Beam Specimen |
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