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1	Study on the effects of matrix properties on the mechanical properties of carbon fiber reinforced plastic composites / 炭素繊維強化複合材料の機械特性に及ぼす母材特性の影響に関する研究 / タンソセンイキョウカフクゴウザイリョウノキカイトクセイニオヨボスボザイトクセイノエイキョウニカンスルケンキュウ邵永正, Yongzheng Shao 22 March 2015 (has links) It was found that a significant improvement of mechanical properties of CFRPs can be achieved by the adjustment of the matrix properties such as toughness and CF/matrix adhesion via the chemical modification, as well as the physical modification by a small amount of cheap and environment-friendly nano fibers. Based on investigation of fracture mechanisms at macro/micro scale, the effects of matrix properties and nano fiber on the mechanical properties of CFRP have been discussed. Subsequently, the relationship has been characterized by a numerical model to show how to modulate the parameters of the matrix properties to achieve excellent fatigue properties of CFRP. / 博士(工学) / Doctor of Philosophy in Engineering / 同志社大学 / Doshisha University Carbon fibers Polymer reinforced composites (PMCs) Fatigue Fiber/matrix bond Fracture toughness Damage Cellulose nano fiber (CNF) Micro-fibrillated cellulose (MFC) Crack growth rate Poly vinyl alcohol (PVA) fiber Thermoelastic stress analysis (TSA) Woven fabric Filament winding Composite pressure vessel Burst pressure Digital image correlation (DIC)

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