Fracture behaviour of polypropylene films at different temperatures: fractography and deformation mechanisms studied by SEM
The fracture surfaces and the deformation micro-mechanisms of one polypropylene homopolymer and three ethylene–propylene block copolymers (EPBC) have been studied by scanning electron microscopy. The results are compared to the essential work of fracture parameters obtained in a previous study with...
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| Veröffentlicht in: | Polymer (Guilford) 2002-05, Vol.43 (10), p.3083-3091 |
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| creator | Ferrer-Balas, Didac Maspoch, Maria Lluı̈sa Mai, Yiu-Wing |
| description | The fracture surfaces and the deformation micro-mechanisms of one polypropylene homopolymer and three ethylene–propylene block copolymers (EPBC) have been studied by scanning electron microscopy. The results are compared to the essential work of fracture parameters obtained in a previous study with deeply double-edge-notched-tension samples of films fractured between −40 and 70
°C. The homopolymer shows shear-yielding at
T≥−20
°C, but at lower
T, crazing prevails. The EPBC display shear-yielding for
T>0
°C, while a combination of cavitation and shear-yielding occurs at lower
T, which is responsible for stress-whitening. The variations of the specific essential fracture work and specific plastic work with
T and with ethylene content have been successfully explained in terms of the prevalent deformation mechanisms. |
| doi_str_mv | 10.1016/S0032-3861(02)00102-7 |
| format | Article |
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°C. The homopolymer shows shear-yielding at
T≥−20
°C, but at lower
T, crazing prevails. The EPBC display shear-yielding for
T>0
°C, while a combination of cavitation and shear-yielding occurs at lower
T, which is responsible for stress-whitening. The variations of the specific essential fracture work and specific plastic work with
T and with ethylene content have been successfully explained in terms of the prevalent deformation mechanisms.</description><identifier>ISSN: 0032-3861</identifier><identifier>EISSN: 1873-2291</identifier><identifier>DOI: 10.1016/S0032-3861(02)00102-7</identifier><identifier>CODEN: POLMAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Essential fracture work ; Ethylene–propylene block copolymers ; Exact sciences and technology ; Mechanical properties ; Organic polymers ; Physicochemistry of polymers ; Polypropylene ; Properties and characterization</subject><ispartof>Polymer (Guilford), 2002-05, Vol.43 (10), p.3083-3091</ispartof><rights>2002 Elsevier Science Ltd</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-61362c2526b9425ae8e4b704bf0dd7081e20934cabb1d848d5ba2bd4e4acf98f3</citedby><cites>FETCH-LOGICAL-c368t-61362c2526b9425ae8e4b704bf0dd7081e20934cabb1d848d5ba2bd4e4acf98f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0032-3861(02)00102-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13524235$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ferrer-Balas, Didac</creatorcontrib><creatorcontrib>Maspoch, Maria Lluı̈sa</creatorcontrib><creatorcontrib>Mai, Yiu-Wing</creatorcontrib><title>Fracture behaviour of polypropylene films at different temperatures: fractography and deformation mechanisms studied by SEM</title><title>Polymer (Guilford)</title><description>The fracture surfaces and the deformation micro-mechanisms of one polypropylene homopolymer and three ethylene–propylene block copolymers (EPBC) have been studied by scanning electron microscopy. The results are compared to the essential work of fracture parameters obtained in a previous study with deeply double-edge-notched-tension samples of films fractured between −40 and 70
°C. The homopolymer shows shear-yielding at
T≥−20
°C, but at lower
T, crazing prevails. The EPBC display shear-yielding for
T>0
°C, while a combination of cavitation and shear-yielding occurs at lower
T, which is responsible for stress-whitening. The variations of the specific essential fracture work and specific plastic work with
T and with ethylene content have been successfully explained in terms of the prevalent deformation mechanisms.</description><subject>Applied sciences</subject><subject>Essential fracture work</subject><subject>Ethylene–propylene block copolymers</subject><subject>Exact sciences and technology</subject><subject>Mechanical properties</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polypropylene</subject><subject>Properties and characterization</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkMtuFDEQRS1EJIbAJyB5A4JFgx_9ZINQlAdSIhaBtVW2y4xRd7ux3ZFa-fl4MhEsWdXm3FtVh5A3nH3kjLefbhmTopJ9y98z8YExzkTVPSM73neyEmLgz8nuL_KCvEzpN2NMNKLekfuLCCavEanGPdz5sEYaHF3CuC0xLNuIM1LnxylRyNR65zDinGnGacEIh2T6TN2hJPyKsOw3CrOlFl2IE2QfZjqh2cPsU6lIebUeLdUbvT2_eUVOHIwJXz_NU_Lz4vzH2VV1_f3y29nX68rIts9Vy2UrTDm31UMtGsAea92xWjtmbcd6joINsjagNbd93dtGg9C2xhqMG3onT8m7Y2_56M-KKavJJ4PjCDOGNSnR8YYPDS9gcwRNDClFdGqJfoK4Kc7UQbV6VK0OHhUT6lG16kru7dMCSAbGYmM2Pv0Ly6JayKZwX44clm_vPEaVjMfZoPURTVY2-P9segCsfpWn</recordid><startdate>20020501</startdate><enddate>20020501</enddate><creator>Ferrer-Balas, Didac</creator><creator>Maspoch, Maria Lluı̈sa</creator><creator>Mai, Yiu-Wing</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20020501</creationdate><title>Fracture behaviour of polypropylene films at different temperatures: fractography and deformation mechanisms studied by SEM</title><author>Ferrer-Balas, Didac ; Maspoch, Maria Lluı̈sa ; Mai, Yiu-Wing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-61362c2526b9425ae8e4b704bf0dd7081e20934cabb1d848d5ba2bd4e4acf98f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied sciences</topic><topic>Essential fracture work</topic><topic>Ethylene–propylene block copolymers</topic><topic>Exact sciences and technology</topic><topic>Mechanical properties</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Polypropylene</topic><topic>Properties and characterization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferrer-Balas, Didac</creatorcontrib><creatorcontrib>Maspoch, Maria Lluı̈sa</creatorcontrib><creatorcontrib>Mai, Yiu-Wing</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ferrer-Balas, Didac</au><au>Maspoch, Maria Lluı̈sa</au><au>Mai, Yiu-Wing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fracture behaviour of polypropylene films at different temperatures: fractography and deformation mechanisms studied by SEM</atitle><jtitle>Polymer (Guilford)</jtitle><date>2002-05-01</date><risdate>2002</risdate><volume>43</volume><issue>10</issue><spage>3083</spage><epage>3091</epage><pages>3083-3091</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>The fracture surfaces and the deformation micro-mechanisms of one polypropylene homopolymer and three ethylene–propylene block copolymers (EPBC) have been studied by scanning electron microscopy. The results are compared to the essential work of fracture parameters obtained in a previous study with deeply double-edge-notched-tension samples of films fractured between −40 and 70
°C. The homopolymer shows shear-yielding at
T≥−20
°C, but at lower
T, crazing prevails. The EPBC display shear-yielding for
T>0
°C, while a combination of cavitation and shear-yielding occurs at lower
T, which is responsible for stress-whitening. The variations of the specific essential fracture work and specific plastic work with
T and with ethylene content have been successfully explained in terms of the prevalent deformation mechanisms.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0032-3861(02)00102-7</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 0032-3861 |
| ispartof | Polymer (Guilford), 2002-05, Vol.43 (10), p.3083-3091 |
| issn | 0032-3861 1873-2291 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Essential fracture work Ethylene–propylene block copolymers Exact sciences and technology Mechanical properties Organic polymers Physicochemistry of polymers Polypropylene Properties and characterization |
| title | Fracture behaviour of polypropylene films at different temperatures: fractography and deformation mechanisms studied by SEM |
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