Core modifications of sandwich panels fabricated by vacuum-assisted resin transfer molding
Composite sandwich panels with high stiffness to weight ratios are mostly used in the transportation, aerospace, and marine structures. In this study, the possibility of manufacturing the sandwich panels by vacuum-assisted resin transfer molding without using the distribution media is experimentally...
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| Veröffentlicht in: | Journal of composite materials 2013-07, Vol.47 (15), p.1853-1863 |
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| container_title | Journal of composite materials |
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| creator | Halimi, F Golzar, M Asadi, P Beheshty, MH |
| description | Composite sandwich panels with high stiffness to weight ratios are mostly used in the transportation, aerospace, and marine structures. In this study, the possibility of manufacturing the sandwich panels by vacuum-assisted resin transfer molding without using the distribution media is experimentally investigated. These structures are comprised of E-glass fiber/polyester resin face sheets and a rigid polyvinyl chloride foam core. In order to facilitate the fabrication of sandwich panels by vacuum-assisted resin transfer molding, six different hole patterns are conducted on the foam core, then the effects of each one on the manufacturing parameters and mechanical properties were studied. Results show that the mold filling time decreases up to 40%, and bending critical load and yield absorbed energy increase up to 38% and 100%, respectively. However, the specimens’ weight increases 3.6% at most. Moreover, some enhancements are seen in debond critical load and fracture toughness. |
| doi_str_mv | 10.1177/0021998312451763 |
| format | Article |
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In this study, the possibility of manufacturing the sandwich panels by vacuum-assisted resin transfer molding without using the distribution media is experimentally investigated. These structures are comprised of E-glass fiber/polyester resin face sheets and a rigid polyvinyl chloride foam core. In order to facilitate the fabrication of sandwich panels by vacuum-assisted resin transfer molding, six different hole patterns are conducted on the foam core, then the effects of each one on the manufacturing parameters and mechanical properties were studied. Results show that the mold filling time decreases up to 40%, and bending critical load and yield absorbed energy increase up to 38% and 100%, respectively. However, the specimens’ weight increases 3.6% at most. 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Moreover, some enhancements are seen in debond critical load and fracture toughness.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Fracture toughness</subject><subject>Glass fiber reinforced plastics</subject><subject>Laminates</subject><subject>Molds</subject><subject>Plastic foam</subject><subject>Polyester resins</subject><subject>Polymer industry, paints, wood</subject><subject>Polyvinyl chlorides</subject><subject>Resin transfer molding</subject><subject>Sandwich construction</subject><subject>Technology of polymers</subject><issn>0021-9983</issn><issn>1530-793X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp1UE1LxDAQDaLgunr3mIvgpZpJmrQ9yuIXCF4UxEuZpumapduumVbZf2_KLh4ET8PM-2DeY-wcxBVAll0LIaEocgUy1ZAZdcBmoJVIskK9HbLZBCcTfsxOiFZCiAxSM2Pviz44vu5r33iLg-874n3DCbv629sPvsHOtcQbrMKEu5pXW_6FdhzXCRJ5mk7Bke_4ELCjxoXo1ta-W56yowZbcmf7OWevd7cvi4fk6fn-cXHzlFiVw5AYgao24IxyKLVNM1nFRVvRQI5GYyotmLrKta6lBF0pp9GCcxJrgZUyas4ud76b0H-OjoZy7cm6to2v9yOVkEKW51qCilSxo9rQEwXXlJvg1xi2JYhyqrH8W2OUXOzdkSy2TQxpPf3qZJYWkBY68pIdj3DpylU_hi6G_t_3B5R7f9s</recordid><startdate>20130701</startdate><enddate>20130701</enddate><creator>Halimi, F</creator><creator>Golzar, M</creator><creator>Asadi, P</creator><creator>Beheshty, MH</creator><general>SAGE Publications</general><general>Sage Publications</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20130701</creationdate><title>Core modifications of sandwich panels fabricated by vacuum-assisted resin transfer molding</title><author>Halimi, F ; Golzar, M ; Asadi, P ; Beheshty, MH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c381t-60a3d61e63ea25c472b1e65c0f18a65a42c16db855d2215b3e5ac1ee2ad0ab363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Fracture toughness</topic><topic>Glass fiber reinforced plastics</topic><topic>Laminates</topic><topic>Molds</topic><topic>Plastic foam</topic><topic>Polyester resins</topic><topic>Polymer industry, paints, wood</topic><topic>Polyvinyl chlorides</topic><topic>Resin transfer molding</topic><topic>Sandwich construction</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Halimi, F</creatorcontrib><creatorcontrib>Golzar, M</creatorcontrib><creatorcontrib>Asadi, P</creatorcontrib><creatorcontrib>Beheshty, MH</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of composite materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Halimi, F</au><au>Golzar, M</au><au>Asadi, P</au><au>Beheshty, MH</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Core modifications of sandwich panels fabricated by vacuum-assisted resin transfer molding</atitle><jtitle>Journal of composite materials</jtitle><date>2013-07-01</date><risdate>2013</risdate><volume>47</volume><issue>15</issue><spage>1853</spage><epage>1863</epage><pages>1853-1863</pages><issn>0021-9983</issn><eissn>1530-793X</eissn><coden>JCOMBI</coden><abstract>Composite sandwich panels with high stiffness to weight ratios are mostly used in the transportation, aerospace, and marine structures. 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| identifier | ISSN: 0021-9983 |
| ispartof | Journal of composite materials, 2013-07, Vol.47 (15), p.1853-1863 |
| issn | 0021-9983 1530-793X |
| language | eng |
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| source | SAGE Complete A-Z List |
| subjects | Applied sciences Exact sciences and technology Forms of application and semi-finished materials Fracture toughness Glass fiber reinforced plastics Laminates Molds Plastic foam Polyester resins Polymer industry, paints, wood Polyvinyl chlorides Resin transfer molding Sandwich construction Technology of polymers |
| title | Core modifications of sandwich panels fabricated by vacuum-assisted resin transfer molding |
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