Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplatelets
[Display omitted] •GNPs can be aligned in liquid epoxy during alternating current electric field.•Fatigue resistance improved via electric field alignment of GNPs.•Greatest improvement in fatigue resistance at near threshold regime for slow crack growth.•Aligned GNPs more effective than random GNPs...
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| Veröffentlicht in: | International journal of fatigue 2018-08, Vol.113, p.88-97 |
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| container_title | International journal of fatigue |
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| creator | Bhasin, Mukesh Wu, Shuying Ladani, Raj B. Kinloch, Anthony J. Wang, Chun H. Mouritz, Adrian P. |
| description | [Display omitted]
•GNPs can be aligned in liquid epoxy during alternating current electric field.•Fatigue resistance improved via electric field alignment of GNPs.•Greatest improvement in fatigue resistance at near threshold regime for slow crack growth.•Aligned GNPs more effective than random GNPs in promoting fatigue retardation mechanisms.•Fatigue resistance increases with GNP content up to limiting value.
The effectiveness of electric field alignment of graphene nanoplatelets (GNPs) in increasing the fatigue resistance of epoxy nanocomposites is investigated. Aligning the GNPs using an electric field yields a greater improvement in the fatigue crack growth resistance of the epoxy than obtained using randomly-orientated GNPs, particularly in the near threshold region. The improvement was due to several toughening mechanisms which retard the fatigue crack growth in the epoxy nanocomposites. These toughening mechanisms become more active when the GNPs are aligned normal to the direction of fatigue crack growth, which results in a higher fatigue resistance for the epoxy nanocomposites containing aligned GNPs than for those containing randomly-orientated GNPs. |
| doi_str_mv | 10.1016/j.ijfatigue.2018.04.001 |
| format | Article |
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•GNPs can be aligned in liquid epoxy during alternating current electric field.•Fatigue resistance improved via electric field alignment of GNPs.•Greatest improvement in fatigue resistance at near threshold regime for slow crack growth.•Aligned GNPs more effective than random GNPs in promoting fatigue retardation mechanisms.•Fatigue resistance increases with GNP content up to limiting value.
The effectiveness of electric field alignment of graphene nanoplatelets (GNPs) in increasing the fatigue resistance of epoxy nanocomposites is investigated. Aligning the GNPs using an electric field yields a greater improvement in the fatigue crack growth resistance of the epoxy than obtained using randomly-orientated GNPs, particularly in the near threshold region. The improvement was due to several toughening mechanisms which retard the fatigue crack growth in the epoxy nanocomposites. These toughening mechanisms become more active when the GNPs are aligned normal to the direction of fatigue crack growth, which results in a higher fatigue resistance for the epoxy nanocomposites containing aligned GNPs than for those containing randomly-orientated GNPs.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2018.04.001</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>A. Nanocomposites ; Alignment ; B. Fatigue ; C. Graphene ; Crack propagation ; D. Fractography ; Electric fields ; Fatigue failure ; Fatigue strength ; Fracture mechanics ; Fractures ; Graphene ; Materials fatigue ; Nanocomposites ; Polymers ; Thermoplastics ; Toughening</subject><ispartof>International journal of fatigue, 2018-08, Vol.113, p.88-97</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Aug 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-bcd2d02e9dfa0db759b4ab26fc13653726bff1ad470a6fdc2381cc49640eb1b63</citedby><cites>FETCH-LOGICAL-c392t-bcd2d02e9dfa0db759b4ab26fc13653726bff1ad470a6fdc2381cc49640eb1b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijfatigue.2018.04.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Bhasin, Mukesh</creatorcontrib><creatorcontrib>Wu, Shuying</creatorcontrib><creatorcontrib>Ladani, Raj B.</creatorcontrib><creatorcontrib>Kinloch, Anthony J.</creatorcontrib><creatorcontrib>Wang, Chun H.</creatorcontrib><creatorcontrib>Mouritz, Adrian P.</creatorcontrib><title>Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplatelets</title><title>International journal of fatigue</title><description>[Display omitted]
•GNPs can be aligned in liquid epoxy during alternating current electric field.•Fatigue resistance improved via electric field alignment of GNPs.•Greatest improvement in fatigue resistance at near threshold regime for slow crack growth.•Aligned GNPs more effective than random GNPs in promoting fatigue retardation mechanisms.•Fatigue resistance increases with GNP content up to limiting value.
The effectiveness of electric field alignment of graphene nanoplatelets (GNPs) in increasing the fatigue resistance of epoxy nanocomposites is investigated. Aligning the GNPs using an electric field yields a greater improvement in the fatigue crack growth resistance of the epoxy than obtained using randomly-orientated GNPs, particularly in the near threshold region. The improvement was due to several toughening mechanisms which retard the fatigue crack growth in the epoxy nanocomposites. These toughening mechanisms become more active when the GNPs are aligned normal to the direction of fatigue crack growth, which results in a higher fatigue resistance for the epoxy nanocomposites containing aligned GNPs than for those containing randomly-orientated GNPs.</description><subject>A. Nanocomposites</subject><subject>Alignment</subject><subject>B. Fatigue</subject><subject>C. Graphene</subject><subject>Crack propagation</subject><subject>D. Fractography</subject><subject>Electric fields</subject><subject>Fatigue failure</subject><subject>Fatigue strength</subject><subject>Fracture mechanics</subject><subject>Fractures</subject><subject>Graphene</subject><subject>Materials fatigue</subject><subject>Nanocomposites</subject><subject>Polymers</subject><subject>Thermoplastics</subject><subject>Toughening</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EEqXwDVhinTB23suq4iVVYgM7JMtxxqmjNA62i-jfk9CKLavZ3Huu5hByyyBmwPL7LjadlsG0e4w5sDKGNAZgZ2TByqKKkjTj52QBLOURYzy5JFfedwBQQZEtyMfLoBxKb4aWhi3SE4k69MYHOSikVlMc7feBDnKwyu5G601AT-sDlb1ph7naOjluccDfzNjLgD0Gf00utOw93pzukrw_Prytn6PN69PLerWJVFLxENWq4Q1wrBotoamLrKpTWfNcK5bkWVLwvNaaySYtQOa6UTwpmVJplaeANavzZEnujtzR2c89-iA6u3fDNCk4lGUJPCvnVHFMKWe9d6jF6MxOuoNgIGaVohN_KsWsUkAqJpVTc3Vs4vTEl0EnvDI4uWmMQxVEY82_jB_u4IO0</recordid><startdate>201808</startdate><enddate>201808</enddate><creator>Bhasin, Mukesh</creator><creator>Wu, Shuying</creator><creator>Ladani, Raj B.</creator><creator>Kinloch, Anthony J.</creator><creator>Wang, Chun H.</creator><creator>Mouritz, Adrian P.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201808</creationdate><title>Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplatelets</title><author>Bhasin, Mukesh ; Wu, Shuying ; Ladani, Raj B. ; Kinloch, Anthony J. ; Wang, Chun H. ; Mouritz, Adrian P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-bcd2d02e9dfa0db759b4ab26fc13653726bff1ad470a6fdc2381cc49640eb1b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>A. Nanocomposites</topic><topic>Alignment</topic><topic>B. Fatigue</topic><topic>C. Graphene</topic><topic>Crack propagation</topic><topic>D. Fractography</topic><topic>Electric fields</topic><topic>Fatigue failure</topic><topic>Fatigue strength</topic><topic>Fracture mechanics</topic><topic>Fractures</topic><topic>Graphene</topic><topic>Materials fatigue</topic><topic>Nanocomposites</topic><topic>Polymers</topic><topic>Thermoplastics</topic><topic>Toughening</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bhasin, Mukesh</creatorcontrib><creatorcontrib>Wu, Shuying</creatorcontrib><creatorcontrib>Ladani, Raj B.</creatorcontrib><creatorcontrib>Kinloch, Anthony J.</creatorcontrib><creatorcontrib>Wang, Chun H.</creatorcontrib><creatorcontrib>Mouritz, Adrian P.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bhasin, Mukesh</au><au>Wu, Shuying</au><au>Ladani, Raj B.</au><au>Kinloch, Anthony J.</au><au>Wang, Chun H.</au><au>Mouritz, Adrian P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplatelets</atitle><jtitle>International journal of fatigue</jtitle><date>2018-08</date><risdate>2018</risdate><volume>113</volume><spage>88</spage><epage>97</epage><pages>88-97</pages><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>[Display omitted]
•GNPs can be aligned in liquid epoxy during alternating current electric field.•Fatigue resistance improved via electric field alignment of GNPs.•Greatest improvement in fatigue resistance at near threshold regime for slow crack growth.•Aligned GNPs more effective than random GNPs in promoting fatigue retardation mechanisms.•Fatigue resistance increases with GNP content up to limiting value.
The effectiveness of electric field alignment of graphene nanoplatelets (GNPs) in increasing the fatigue resistance of epoxy nanocomposites is investigated. Aligning the GNPs using an electric field yields a greater improvement in the fatigue crack growth resistance of the epoxy than obtained using randomly-orientated GNPs, particularly in the near threshold region. The improvement was due to several toughening mechanisms which retard the fatigue crack growth in the epoxy nanocomposites. These toughening mechanisms become more active when the GNPs are aligned normal to the direction of fatigue crack growth, which results in a higher fatigue resistance for the epoxy nanocomposites containing aligned GNPs than for those containing randomly-orientated GNPs.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2018.04.001</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | International journal of fatigue, 2018-08, Vol.113, p.88-97 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | A. Nanocomposites Alignment B. Fatigue C. Graphene Crack propagation D. Fractography Electric fields Fatigue failure Fatigue strength Fracture mechanics Fractures Graphene Materials fatigue Nanocomposites Polymers Thermoplastics Toughening |
| title | Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplatelets |
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