Mechanical Properties of GFRPs Exposed to Tensile, Compression and Tensile-Tensile Cyclic Tests
Currently there are many applications for the use of composites reinforced with fiberglass mat and fabrics with polyester resin: automotive, aerospace, construction of wind turbines blades, sanitary ware, furniture, etc. The structures made of composites have a complex geometry, can be simultaneousl...
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| Veröffentlicht in: | Polymers 2021-03, Vol.13 (6), p.898 |
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| creator | Stanciu, Mariana Domnica Drăghicescu, Horațiu Teodorescu Roșca, Ioan Călin |
| description | Currently there are many applications for the use of composites reinforced with fiberglass mat and fabrics with polyester resin: automotive, aerospace, construction of wind turbines blades, sanitary ware, furniture, etc. The structures made of composites have a complex geometry, can be simultaneously subjected to tensile-compression, shear, bending and torsion. In this paper we analyzed the mechanical properties of a polyester composite material reinforced with glass fiber (denoted GFRP) of which were carried out two types of samples: The former contains four layers of plain fabric (GFRP-RT500) and the second type contains three layers of chopped strand mat (GFRP-MAT450). The samples were subjected to tensile, compression and tensile-tensile cyclic loading. The results highlight the differences between the two types of GFRP in terms of initial elastic modulus, post yield stiffness and viscoelastic behavior under cyclic loading. Thus, it was observed that the value of the modulus of elasticity and the value of ultimate tensile stress are approximately twice higher in the case of GFRP-RT500 than for the composite reinforced with short fibers type GFRP-MAT450. The tensile-tensile cyclic test highlights that the short glass fiber-reinforced composite broke after the first stress cycle, compared to the fabric-reinforced composite in which rupture occurred after 15 stress cycles. The elasticity modulus of GFRP-RT500 decreased by 13% for the applied loading with the speed of 1 mm/min and by 15% for a loading speed of 20 mm/min. |
| doi_str_mv | 10.3390/polym13060898 |
| format | Article |
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In this paper we analyzed the mechanical properties of a polyester composite material reinforced with glass fiber (denoted GFRP) of which were carried out two types of samples: The former contains four layers of plain fabric (GFRP-RT500) and the second type contains three layers of chopped strand mat (GFRP-MAT450). The samples were subjected to tensile, compression and tensile-tensile cyclic loading. The results highlight the differences between the two types of GFRP in terms of initial elastic modulus, post yield stiffness and viscoelastic behavior under cyclic loading. Thus, it was observed that the value of the modulus of elasticity and the value of ultimate tensile stress are approximately twice higher in the case of GFRP-RT500 than for the composite reinforced with short fibers type GFRP-MAT450. The tensile-tensile cyclic test highlights that the short glass fiber-reinforced composite broke after the first stress cycle, compared to the fabric-reinforced composite in which rupture occurred after 15 stress cycles. The elasticity modulus of GFRP-RT500 decreased by 13% for the applied loading with the speed of 1 mm/min and by 15% for a loading speed of 20 mm/min.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym13060898</identifier><identifier>PMID: 33804030</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Chopped strand mats ; Composite materials ; Compression tests ; Cyclic loads ; Cyclic testing ; Deformation ; Fiber composites ; Fiberglass ; Glass fiber reinforced plastics ; Glass fibers ; Humidity ; Load ; Mechanical properties ; Modulus of elasticity ; Polyester resins ; Polyesters ; Sanitary ware ; Short fibers ; Stiffness ; Strain gauges ; Stress cycles ; Tensile strength ; Tensile stress ; Textile composites ; Wind turbines</subject><ispartof>Polymers, 2021-03, Vol.13 (6), p.898</ispartof><rights>2021. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2021 by the authors. 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-ab2834aca20734a113d12b3fb3839e32dadaf01c6375569963d23f9b0925ff473</citedby><cites>FETCH-LOGICAL-c415t-ab2834aca20734a113d12b3fb3839e32dadaf01c6375569963d23f9b0925ff473</cites><orcidid>0000-0001-6414-9427</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7998433/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7998433/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,724,777,781,882,27905,27906,53772,53774</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33804030$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Stanciu, Mariana Domnica</creatorcontrib><creatorcontrib>Drăghicescu, Horațiu Teodorescu</creatorcontrib><creatorcontrib>Roșca, Ioan Călin</creatorcontrib><title>Mechanical Properties of GFRPs Exposed to Tensile, Compression and Tensile-Tensile Cyclic Tests</title><title>Polymers</title><addtitle>Polymers (Basel)</addtitle><description>Currently there are many applications for the use of composites reinforced with fiberglass mat and fabrics with polyester resin: automotive, aerospace, construction of wind turbines blades, sanitary ware, furniture, etc. The structures made of composites have a complex geometry, can be simultaneously subjected to tensile-compression, shear, bending and torsion. In this paper we analyzed the mechanical properties of a polyester composite material reinforced with glass fiber (denoted GFRP) of which were carried out two types of samples: The former contains four layers of plain fabric (GFRP-RT500) and the second type contains three layers of chopped strand mat (GFRP-MAT450). The samples were subjected to tensile, compression and tensile-tensile cyclic loading. The results highlight the differences between the two types of GFRP in terms of initial elastic modulus, post yield stiffness and viscoelastic behavior under cyclic loading. Thus, it was observed that the value of the modulus of elasticity and the value of ultimate tensile stress are approximately twice higher in the case of GFRP-RT500 than for the composite reinforced with short fibers type GFRP-MAT450. The tensile-tensile cyclic test highlights that the short glass fiber-reinforced composite broke after the first stress cycle, compared to the fabric-reinforced composite in which rupture occurred after 15 stress cycles. The elasticity modulus of GFRP-RT500 decreased by 13% for the applied loading with the speed of 1 mm/min and by 15% for a loading speed of 20 mm/min.</description><subject>Chopped strand mats</subject><subject>Composite materials</subject><subject>Compression tests</subject><subject>Cyclic loads</subject><subject>Cyclic testing</subject><subject>Deformation</subject><subject>Fiber composites</subject><subject>Fiberglass</subject><subject>Glass fiber reinforced plastics</subject><subject>Glass fibers</subject><subject>Humidity</subject><subject>Load</subject><subject>Mechanical properties</subject><subject>Modulus of elasticity</subject><subject>Polyester resins</subject><subject>Polyesters</subject><subject>Sanitary ware</subject><subject>Short fibers</subject><subject>Stiffness</subject><subject>Strain gauges</subject><subject>Stress cycles</subject><subject>Tensile strength</subject><subject>Tensile stress</subject><subject>Textile composites</subject><subject>Wind turbines</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkc1LxDAQxYMo7qIevUrAiwerSadNm4sgi1-w4iJ6DmmaulnapiZdcf97s-wHu-YyYebH4808hM4puQHg5Laz9aKhQBjJeX6AhjHJIEqAkcOd_wCdeT8j4SUpYzQ7RgOAnCQEyBCJV62msjVK1njibKddb7THtsJPj-8Tjx9-O-t1iXuLP3TrTa2v8cg2ndPeG9ti2ZabQbSueLRQtVGh7Xt_io4qWXt9tq4n6PPx4WP0HI3fnl5G9-NIJTTtI1nEOSRSyaXrRFIKJY0LqArIgWuIS1nKilDFIEtTxjmDMoaKF4THaVUlGZygu5VuNy8aXSrd9k7WonOmkW4hrDRif9KaqfiyPyLjPE8AgsDVWsDZ73mwLhrjla5r2Wo79yJOSR7OF64e0Mt_6MzOXRvWW1JAMrYSjFaUctZ7p6utGUrEMj2xl17gL3Y32NKbrOAPeBiV5A</recordid><startdate>20210315</startdate><enddate>20210315</enddate><creator>Stanciu, Mariana Domnica</creator><creator>Drăghicescu, Horațiu Teodorescu</creator><creator>Roșca, Ioan Călin</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-6414-9427</orcidid></search><sort><creationdate>20210315</creationdate><title>Mechanical Properties of GFRPs Exposed to Tensile, Compression and Tensile-Tensile Cyclic Tests</title><author>Stanciu, Mariana Domnica ; 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In this paper we analyzed the mechanical properties of a polyester composite material reinforced with glass fiber (denoted GFRP) of which were carried out two types of samples: The former contains four layers of plain fabric (GFRP-RT500) and the second type contains three layers of chopped strand mat (GFRP-MAT450). The samples were subjected to tensile, compression and tensile-tensile cyclic loading. The results highlight the differences between the two types of GFRP in terms of initial elastic modulus, post yield stiffness and viscoelastic behavior under cyclic loading. Thus, it was observed that the value of the modulus of elasticity and the value of ultimate tensile stress are approximately twice higher in the case of GFRP-RT500 than for the composite reinforced with short fibers type GFRP-MAT450. The tensile-tensile cyclic test highlights that the short glass fiber-reinforced composite broke after the first stress cycle, compared to the fabric-reinforced composite in which rupture occurred after 15 stress cycles. The elasticity modulus of GFRP-RT500 decreased by 13% for the applied loading with the speed of 1 mm/min and by 15% for a loading speed of 20 mm/min.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>33804030</pmid><doi>10.3390/polym13060898</doi><orcidid>https://orcid.org/0000-0001-6414-9427</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Polymers, 2021-03, Vol.13 (6), p.898 |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; PubMed Central |
| subjects | Chopped strand mats Composite materials Compression tests Cyclic loads Cyclic testing Deformation Fiber composites Fiberglass Glass fiber reinforced plastics Glass fibers Humidity Load Mechanical properties Modulus of elasticity Polyester resins Polyesters Sanitary ware Short fibers Stiffness Strain gauges Stress cycles Tensile strength Tensile stress Textile composites Wind turbines |
| title | Mechanical Properties of GFRPs Exposed to Tensile, Compression and Tensile-Tensile Cyclic Tests |
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