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日本东丽工业株式会社开发出了兼具优良的力学特性和成型性的碳纤维树脂含浸片材(UACS,单向排列片材)。其拉伸强度是UD预浸材料(碳纤维单向排列、最小限度含浸树脂制成的材料)的80%以上,悬臂梁切口冲击强度是UD预浸材料的约80%,垂直冲击平板的简支梁冲击强度是UD预浸材料的约90%,且可成型出使用UD预浸材料难以实现的三维复杂形状。UACS是在UD预浸材料中周期性加入毫米级长度的切口而实现
Toray Industries Co., Ltd. has developed a carbon fiber resin impregnated sheet (UACS, unidirectionally-arranged sheet) which has excellent mechanical properties and moldability. Its tensile strength is more than 80% of the UD prepreg (carbon fiber unidirectional, minimum impregnated resin), the cantilever notched impact strength is about 80% of the UD prepreg, and the impact of the vertical impact plate Beam impact strength is about 90% of that of UD prepregs, and can shape three-dimensional complex shapes that are difficult to achieve with UD prepregs. UACS is achieved by periodically adding millimeter-length cuts in UD prepregs