Modifying carbon nanotube fibers: A study relating apparent interfacial shear strength and failure mode
Achieving high strength in fiber reinforced structural composites requires effective load transfer between the high-performance fiber reinforcement, e.g., carbon nanotube (CNT) yarn, and the matrix. Various processing approaches to enhance the interaction between CNT fiber and the matrix were invest...
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| Veröffentlicht in: | Carbon (New York) 2021-03, Vol.173, p.857-869 |
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| creator | Kim, Jae-Woo Sauti, Godfrey Jensen, Benjamin D. Smith, Joseph G. Wise, Kristopher E. Wincheski, Russell A. Cano, Roberto J. Siochi, Emilie J. |
| description | Achieving high strength in fiber reinforced structural composites requires effective load transfer between the high-performance fiber reinforcement, e.g., carbon nanotube (CNT) yarn, and the matrix. Various processing approaches to enhance the interaction between CNT fiber and the matrix were investigated. The apparent interfacial shear strengths (IFSS) of pristine CNT yarns, post-treated CNT yarns (cross-linked, functionalized, and polymer incorporation by resistive heating), and pre-infiltrated polymer/CNT composite fibers measured using single fiber pull-out tests were used to screen the efficacy of the processing methods. Pristine CNT yarns had a low apparent IFSS (20 MPa). Improved wet-out of the fiber eliminated the dry-core shear failure mode.
The hierarchical microstructure of carbon nanotube fibers necessitates consideration of matrix/fiber interfaces within the reinforcement to improve interfacial shear strength and prevent failure within the reinforcement. [Display omitted] |
| doi_str_mv | 10.1016/j.carbon.2020.11.055 |
| format | Article |
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The hierarchical microstructure of carbon nanotube fibers necessitates consideration of matrix/fiber interfaces within the reinforcement to improve interfacial shear strength and prevent failure within the reinforcement. [Display omitted]</description><identifier>ISSN: 0008-6223</identifier><identifier>EISSN: 1873-3891</identifier><identifier>DOI: 10.1016/j.carbon.2020.11.055</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Carbon ; Carbon fibers ; Carbon nanotube ; Carbon nanotubes ; Composite fiber ; Composite materials ; Failure modes ; Failure surface ; Fiber composites ; Fiber pullout ; Fiber reinforcement ; Fiber-matrix interfaces ; Interfaces ; Interfacial shear strength ; Load transfer ; Nanotubes ; Polymers ; Pull out tests ; Shear strength ; Sheaths ; Single fiber pull-out test ; Yarns</subject><ispartof>Carbon (New York), 2021-03, Vol.173, p.857-869</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Mar 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-faa6f7cf30f67bcaa5efd3c1b8c42a7b8b0285d770b83c7be14940b9ab55353d3</citedby><cites>FETCH-LOGICAL-c380t-faa6f7cf30f67bcaa5efd3c1b8c42a7b8b0285d770b83c7be14940b9ab55353d3</cites><orcidid>0000-0003-2258-963X ; 0000-0003-0631-0387</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0008622320311349$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Kim, Jae-Woo</creatorcontrib><creatorcontrib>Sauti, Godfrey</creatorcontrib><creatorcontrib>Jensen, Benjamin D.</creatorcontrib><creatorcontrib>Smith, Joseph G.</creatorcontrib><creatorcontrib>Wise, Kristopher E.</creatorcontrib><creatorcontrib>Wincheski, Russell A.</creatorcontrib><creatorcontrib>Cano, Roberto J.</creatorcontrib><creatorcontrib>Siochi, Emilie J.</creatorcontrib><title>Modifying carbon nanotube fibers: A study relating apparent interfacial shear strength and failure mode</title><title>Carbon (New York)</title><description>Achieving high strength in fiber reinforced structural composites requires effective load transfer between the high-performance fiber reinforcement, e.g., carbon nanotube (CNT) yarn, and the matrix. Various processing approaches to enhance the interaction between CNT fiber and the matrix were investigated. The apparent interfacial shear strengths (IFSS) of pristine CNT yarns, post-treated CNT yarns (cross-linked, functionalized, and polymer incorporation by resistive heating), and pre-infiltrated polymer/CNT composite fibers measured using single fiber pull-out tests were used to screen the efficacy of the processing methods. Pristine CNT yarns had a low apparent IFSS (<5 MPa) due to shear failure within their dry cores. In post-treated CNT yarns which did not exhibit good IFSS, the failure surface consisted of a resin-infiltrated sheath near the surface of the yarn and a dry section within the yarn core; failure occurred in the dry core. This failure mode is unlike those observed in traditional carbon fiber reinforced composites which fail at the fiber/matrix interface. In contrast to the sword-in-sheath failure modes of post-treated CNT yarns, pre-infiltrated polymer/CNT composite fibers displayed high apparent IFSS (>20 MPa). Improved wet-out of the fiber eliminated the dry-core shear failure mode.
The hierarchical microstructure of carbon nanotube fibers necessitates consideration of matrix/fiber interfaces within the reinforcement to improve interfacial shear strength and prevent failure within the reinforcement. [Display omitted]</description><subject>Carbon</subject><subject>Carbon fibers</subject><subject>Carbon nanotube</subject><subject>Carbon nanotubes</subject><subject>Composite fiber</subject><subject>Composite materials</subject><subject>Failure modes</subject><subject>Failure surface</subject><subject>Fiber composites</subject><subject>Fiber pullout</subject><subject>Fiber reinforcement</subject><subject>Fiber-matrix interfaces</subject><subject>Interfaces</subject><subject>Interfacial shear strength</subject><subject>Load transfer</subject><subject>Nanotubes</subject><subject>Polymers</subject><subject>Pull out tests</subject><subject>Shear strength</subject><subject>Sheaths</subject><subject>Single fiber pull-out test</subject><subject>Yarns</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKv_wEPA89Zksx-pB0GKX6B40XOYJJOaUrM1yQr996asZ0_DzLzvO8xDyCVnC854d71ZGIh6CIua1WXEF6xtj8iMy15UQi75MZkxxmTV1bU4JWcpbUrbSN7MyPp1sN7tfVjTKYMGCEMeNVLnNcZ0Q-9oyqPd04hbyAch7HYQMWTqQ8bowHjY0vSJEIuyLNb5k0Kw1IHfjhHp12DxnJw42Ca8-Ktz8vFw_756ql7eHp9Xdy-VEZLlygF0rjdOMNf12gC06KwwXEvT1NBrqVktW9v3TEtheo28WTZML0G3rWiFFXNyNeXu4vA9YspqM4wxlJOqbpa846JtZFE1k8rEIaWITu2i_4K4V5ypA1K1URMOdUCqOFcFabHdTjYsH_x4jCoZj8Gg9RFNVnbw_wf8AjD7gzQ</recordid><startdate>202103</startdate><enddate>202103</enddate><creator>Kim, Jae-Woo</creator><creator>Sauti, Godfrey</creator><creator>Jensen, Benjamin D.</creator><creator>Smith, Joseph G.</creator><creator>Wise, Kristopher E.</creator><creator>Wincheski, Russell A.</creator><creator>Cano, Roberto J.</creator><creator>Siochi, Emilie J.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-2258-963X</orcidid><orcidid>https://orcid.org/0000-0003-0631-0387</orcidid></search><sort><creationdate>202103</creationdate><title>Modifying carbon nanotube fibers: A study relating apparent interfacial shear strength and failure mode</title><author>Kim, Jae-Woo ; Sauti, Godfrey ; Jensen, Benjamin D. ; Smith, Joseph G. ; Wise, Kristopher E. ; Wincheski, Russell A. ; Cano, Roberto J. ; Siochi, Emilie J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-faa6f7cf30f67bcaa5efd3c1b8c42a7b8b0285d770b83c7be14940b9ab55353d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Carbon</topic><topic>Carbon fibers</topic><topic>Carbon nanotube</topic><topic>Carbon nanotubes</topic><topic>Composite fiber</topic><topic>Composite materials</topic><topic>Failure modes</topic><topic>Failure surface</topic><topic>Fiber composites</topic><topic>Fiber pullout</topic><topic>Fiber reinforcement</topic><topic>Fiber-matrix interfaces</topic><topic>Interfaces</topic><topic>Interfacial shear strength</topic><topic>Load transfer</topic><topic>Nanotubes</topic><topic>Polymers</topic><topic>Pull out tests</topic><topic>Shear strength</topic><topic>Sheaths</topic><topic>Single fiber pull-out test</topic><topic>Yarns</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Jae-Woo</creatorcontrib><creatorcontrib>Sauti, Godfrey</creatorcontrib><creatorcontrib>Jensen, Benjamin D.</creatorcontrib><creatorcontrib>Smith, Joseph G.</creatorcontrib><creatorcontrib>Wise, Kristopher E.</creatorcontrib><creatorcontrib>Wincheski, Russell A.</creatorcontrib><creatorcontrib>Cano, Roberto J.</creatorcontrib><creatorcontrib>Siochi, Emilie J.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Jae-Woo</au><au>Sauti, Godfrey</au><au>Jensen, Benjamin D.</au><au>Smith, Joseph G.</au><au>Wise, Kristopher E.</au><au>Wincheski, Russell A.</au><au>Cano, Roberto J.</au><au>Siochi, Emilie J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modifying carbon nanotube fibers: A study relating apparent interfacial shear strength and failure mode</atitle><jtitle>Carbon (New York)</jtitle><date>2021-03</date><risdate>2021</risdate><volume>173</volume><spage>857</spage><epage>869</epage><pages>857-869</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><abstract>Achieving high strength in fiber reinforced structural composites requires effective load transfer between the high-performance fiber reinforcement, e.g., carbon nanotube (CNT) yarn, and the matrix. Various processing approaches to enhance the interaction between CNT fiber and the matrix were investigated. The apparent interfacial shear strengths (IFSS) of pristine CNT yarns, post-treated CNT yarns (cross-linked, functionalized, and polymer incorporation by resistive heating), and pre-infiltrated polymer/CNT composite fibers measured using single fiber pull-out tests were used to screen the efficacy of the processing methods. Pristine CNT yarns had a low apparent IFSS (<5 MPa) due to shear failure within their dry cores. In post-treated CNT yarns which did not exhibit good IFSS, the failure surface consisted of a resin-infiltrated sheath near the surface of the yarn and a dry section within the yarn core; failure occurred in the dry core. This failure mode is unlike those observed in traditional carbon fiber reinforced composites which fail at the fiber/matrix interface. In contrast to the sword-in-sheath failure modes of post-treated CNT yarns, pre-infiltrated polymer/CNT composite fibers displayed high apparent IFSS (>20 MPa). Improved wet-out of the fiber eliminated the dry-core shear failure mode.
The hierarchical microstructure of carbon nanotube fibers necessitates consideration of matrix/fiber interfaces within the reinforcement to improve interfacial shear strength and prevent failure within the reinforcement. [Display omitted]</abstract><cop>New York</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.carbon.2020.11.055</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0003-2258-963X</orcidid><orcidid>https://orcid.org/0000-0003-0631-0387</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Carbon Carbon fibers Carbon nanotube Carbon nanotubes Composite fiber Composite materials Failure modes Failure surface Fiber composites Fiber pullout Fiber reinforcement Fiber-matrix interfaces Interfaces Interfacial shear strength Load transfer Nanotubes Polymers Pull out tests Shear strength Sheaths Single fiber pull-out test Yarns |
| title | Modifying carbon nanotube fibers: A study relating apparent interfacial shear strength and failure mode |
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