The Influence of Hot Water on the Fatigue Strength of Aramid/Epoxy Composites
Fatigue tests of 0° unidirectional and ±45° cross-ply composites of epoxy resin reinforced by two types of aramid fibers (HM50, Teijin and Kevlar 49, Dupont) were carried out in 71°C hot water. An emphasis was placed on the influences of hot water on the fatigue strength and fatigue mechanism, and t...
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| Veröffentlicht in: | Journal of the Society of Materials Science, Japan Japan, 1992/10/15, Vol.41(469), pp.1539-1544 |
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| container_end_page | 1544 |
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| container_issue | 469 |
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| container_title | Journal of the Society of Materials Science, Japan |
| container_volume | 41 |
| creator | KOMAI, Kenjiro SHIROSHITA, Sohei |
| description | Fatigue tests of 0° unidirectional and ±45° cross-ply composites of epoxy resin reinforced by two types of aramid fibers (HM50, Teijin and Kevlar 49, Dupont) were carried out in 71°C hot water. An emphasis was placed on the influences of hot water on the fatigue strength and fatigue mechanism, and the following was made clear. In case of ±45° cross-ply composites, the fatigue strength of both HM50 and Kevlar 49 composites decreased in 71°C hot water from that in 30°C water. It is considered that the fatigue strength of the resin and the interface between fiber and resin became weaker by the exposure to hot water. Both fiber/resin interfacial debonding and interlaminar delamination occurred more distinctly in 71°C hot water than those in 30°C water. In case of 0° unidirectionally reinforced composites, the fatigue strength of both composites became stronger in 71°C hot water than that in air and almost similar to that in 30°C water. It is considered that the resin absorbing water facilitated the local re-alignment of fibers under atensile stress. Kevlar 49 fibers splitted more easily than HM50 composites. |
| doi_str_mv | 10.2472/jsms.41.1539 |
| format | Article |
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An emphasis was placed on the influences of hot water on the fatigue strength and fatigue mechanism, and the following was made clear. In case of ±45° cross-ply composites, the fatigue strength of both HM50 and Kevlar 49 composites decreased in 71°C hot water from that in 30°C water. It is considered that the fatigue strength of the resin and the interface between fiber and resin became weaker by the exposure to hot water. Both fiber/resin interfacial debonding and interlaminar delamination occurred more distinctly in 71°C hot water than those in 30°C water. In case of 0° unidirectionally reinforced composites, the fatigue strength of both composites became stronger in 71°C hot water than that in air and almost similar to that in 30°C water. It is considered that the resin absorbing water facilitated the local re-alignment of fibers under atensile stress. Kevlar 49 fibers splitted more easily than HM50 composites.</description><identifier>ISSN: 0514-5163</identifier><identifier>EISSN: 1880-7488</identifier><identifier>DOI: 10.2472/jsms.41.1539</identifier><identifier>CODEN: ZARYAQ</identifier><language>eng ; jpn</language><publisher>Kyoto: The Society of Materials Science, Japan</publisher><subject>Aramid/Epoxy composites ; Environment ; Fatigue strength ; Fractography ; Hot water</subject><ispartof>Journal of the Society of Materials Science, Japan, 1992/10/15, Vol.41(469), pp.1539-1544</ispartof><rights>by The Society of Materials Science, Japan</rights><rights>1993 INIST-CNRS</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4463466$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KOMAI, Kenjiro</creatorcontrib><creatorcontrib>SHIROSHITA, Sohei</creatorcontrib><title>The Influence of Hot Water on the Fatigue Strength of Aramid/Epoxy Composites</title><title>Journal of the Society of Materials Science, Japan</title><addtitle>J. Soc. Mat. Sci., Japan</addtitle><description>Fatigue tests of 0° unidirectional and ±45° cross-ply composites of epoxy resin reinforced by two types of aramid fibers (HM50, Teijin and Kevlar 49, Dupont) were carried out in 71°C hot water. An emphasis was placed on the influences of hot water on the fatigue strength and fatigue mechanism, and the following was made clear. In case of ±45° cross-ply composites, the fatigue strength of both HM50 and Kevlar 49 composites decreased in 71°C hot water from that in 30°C water. It is considered that the fatigue strength of the resin and the interface between fiber and resin became weaker by the exposure to hot water. Both fiber/resin interfacial debonding and interlaminar delamination occurred more distinctly in 71°C hot water than those in 30°C water. In case of 0° unidirectionally reinforced composites, the fatigue strength of both composites became stronger in 71°C hot water than that in air and almost similar to that in 30°C water. It is considered that the resin absorbing water facilitated the local re-alignment of fibers under atensile stress. Kevlar 49 fibers splitted more easily than HM50 composites.</description><subject>Aramid/Epoxy composites</subject><subject>Environment</subject><subject>Fatigue strength</subject><subject>Fractography</subject><subject>Hot water</subject><issn>0514-5163</issn><issn>1880-7488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNo9kLFOwzAURS0EEhWw8QEZEBMpdmwnzoiqllYCMQBitJyX5zYoiYvtSvTvSSh0usM97zzpEnLN6DQTRXb_GbowFWzKJC9PyIQpRdNCKHVKJlQykUqW83NyFUJTUZplGVeinJDntw0mq962O-wBE2eTpYvJh4noE9cncWgXJjbrHSav0WO_jpsRevCma-r7-dZ975OZ67YuNBHDJTmzpg149ZcX5H0xf5st06eXx9Xs4SmFTKoyrY2Bqqa1LAB5rnIsGQJFtGCqqgBVCltziwUIaQugEgtUiIbaGqCSdc0vyO3Bu_Xua4ch6q4JgG1renS7oIcvSma8GMC7AwjeheDR6q1vOuP3mlE9zqbH2bRgepxtwG_-vCaAaa03PTTheCNEzkWeD9jqgH2GaNZ47I2PDbT462RlzkevyMv_GF8cGdgYr7HnPwLgiMk</recordid><startdate>1992</startdate><enddate>1992</enddate><creator>KOMAI, Kenjiro</creator><creator>SHIROSHITA, Sohei</creator><general>The Society of Materials Science, Japan</general><general>Society of Materials Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>1992</creationdate><title>The Influence of Hot Water on the Fatigue Strength of Aramid/Epoxy Composites</title><author>KOMAI, Kenjiro ; SHIROSHITA, Sohei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2589-daacbd0d57ce3686e91ec0eefcabb7c894fd3fe7c45f7c05e7e8eea0fdccb5dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>1992</creationdate><topic>Aramid/Epoxy composites</topic><topic>Environment</topic><topic>Fatigue strength</topic><topic>Fractography</topic><topic>Hot water</topic><toplevel>online_resources</toplevel><creatorcontrib>KOMAI, Kenjiro</creatorcontrib><creatorcontrib>SHIROSHITA, Sohei</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Society of Materials Science, Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KOMAI, Kenjiro</au><au>SHIROSHITA, Sohei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Influence of Hot Water on the Fatigue Strength of Aramid/Epoxy Composites</atitle><jtitle>Journal of the Society of Materials Science, Japan</jtitle><addtitle>J. Soc. Mat. Sci., Japan</addtitle><date>1992</date><risdate>1992</risdate><volume>41</volume><issue>469</issue><spage>1539</spage><epage>1544</epage><pages>1539-1544</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><coden>ZARYAQ</coden><abstract>Fatigue tests of 0° unidirectional and ±45° cross-ply composites of epoxy resin reinforced by two types of aramid fibers (HM50, Teijin and Kevlar 49, Dupont) were carried out in 71°C hot water. An emphasis was placed on the influences of hot water on the fatigue strength and fatigue mechanism, and the following was made clear. In case of ±45° cross-ply composites, the fatigue strength of both HM50 and Kevlar 49 composites decreased in 71°C hot water from that in 30°C water. It is considered that the fatigue strength of the resin and the interface between fiber and resin became weaker by the exposure to hot water. Both fiber/resin interfacial debonding and interlaminar delamination occurred more distinctly in 71°C hot water than those in 30°C water. In case of 0° unidirectionally reinforced composites, the fatigue strength of both composites became stronger in 71°C hot water than that in air and almost similar to that in 30°C water. It is considered that the resin absorbing water facilitated the local re-alignment of fibers under atensile stress. Kevlar 49 fibers splitted more easily than HM50 composites.</abstract><cop>Kyoto</cop><pub>The Society of Materials Science, Japan</pub><doi>10.2472/jsms.41.1539</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of the Society of Materials Science, Japan, 1992/10/15, Vol.41(469), pp.1539-1544 |
| issn | 0514-5163 1880-7488 |
| language | eng ; jpn |
| recordid | cdi_proquest_miscellaneous_25885237 |
| source | J-STAGE |
| subjects | Aramid/Epoxy composites Environment Fatigue strength Fractography Hot water |
| title | The Influence of Hot Water on the Fatigue Strength of Aramid/Epoxy Composites |
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