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題 名 | The Effect of Silane Coupling Agent on Glass-fiber Reinforced Composite=矽烷系偶合劑對玻璃纖維補強複合材料之影響 |
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作 者 | 徐新興; 陳世明; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 16:4 1985.10[民74.10] |
頁 次 | 頁311-316 |
分類號 | 467.4 |
關鍵詞 | 矽烷系偶合劑; 玻璃纖維; 複合材料; |
語 文 | 英文(English) |
中文摘要 | 利用矽烷系偶合劑增強玻璃纖維與樹脂基材界面間黏結力以研究其抗張強度,破裂表面,偶合劑與玻纖界面間分子結構變化及破壞韌性K[93d0]。結果顯示①玻纖與基材界面若有良好之黏結力不僅可增加抗張強度亦可增加材料對水蝕之抗力,②SEM研究顯示若玻纖與基材界面無良好的黏結力當材料受力時會在界面間特別是玻纖末端應力集中處生成裂隙,因而易在該處斷裂,③FT-IR研究顯示,偶合劑與玻纖間有Si-O-Si鍵且此Si-O-Si鍵的水解與再形成作用可視為一種動態平衡現象,④材料破壞韌性K[93d0]值隨界面間黏結力增加而增強但與裂縫初始長度,試片厚度無關。 |
英文摘要 | Silane coupling agent was used to increase glass fiber/matrix interfacial adhesion force. Tensile strength, failure surface, molecular structural changes of a silane coupling agent on glass fiber and fracture toughness were studied. Our results show that a good fiber/matrix interfacial adhesion force not only increases tensile strength but also retards the degradation of strength by wetting. SEM studies show that in case of lacking good interfacial adhesion force a stress concentrator will occur at the end of the glass fiber and fracture occurs more easily at that place. An FT-IR study shows there exists a Si-O-Si bound between the glass fiber and the silane coupling agent. The Si-O-Si bound can be regarded as a dynamic equilibrium between hydrolysis by water and reformation during drying. Our study also found fracture toughness K[93d0] is increased by increasing fiber/matrix interfacial adhesion force. K[93d0] was independent of initial crack length and specimen thickness, thus it can be regarded as a material parameter. |
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