2011 Fiscal Year Final Research Report
Analysis on axial compression fracture of high strength fibers and their composites
| Project/Area Number |
21550202
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Polymer/Textile materials
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
SHIOYA Masatoshi 東京工業大学, 大学院・理工学研究科, 准教授 (10196363)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 繊維材料 |
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| Research Abstract |
Carbon fibers and liquid crystal polymer fibers have relatively lower compression strength as compared with the tensile strength, and this hinders the most effective utilization of the excellent tensile properties in composites. In the present study, the methods have been established to measure the single-fiber axial compression strength and interfibrillar strength of the fibers. The compression strength measured with this method has been analyzed in relation to the structure feature measured with small-angle X-ray scattering. The compression fracture mechanisms of these fibers and composites have been elucidated and the guidelines have been obtained for increasing the compression strength.
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