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A bundle of fibers was impregnated with the resin, and extra resin was carefully wiped from the bundle. The impregnated bundle was positioned axially in a silicon rubber mold, which was filled with resin and cured at 140oc,to forma polymer disk 14 mmin diameter and 5 mmin height. Details on sample fabrication can be found in Ref. [24]. The disk was embedded in a metallographic specimen mount with the fibers normal to the specimen surface and the surface was polished using conventional metallographic techniques. Õâ¶Î»°·ÒëÓëÀí½â£¿ÎªÊ²Ã´½þ×ÕÊ÷Ö¬ºóÓÖ·ÅÔÚ¹èÏð½ºÄ£¾ßÀ»¹ÓÐ×îºóÒ»¾ä»°£¿ ÇëÇó´óÉñ·ÒëÓëÀí½â. |
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