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用GB/T 19975—2005《高强化纤长丝拉伸性能试验方法》,对12 K(即单丝根数12 000根)碳纤维原丝的拉伸性能进行测试,摸索了丝束的加捻数、预加张力、测试压力、取样方式、纤维理直方式等测试因素对丝束拉伸性能的影响,确定了12 K碳纤维原丝束丝拉伸性能测试的最佳操作条件,保障了实验室测试结果的可靠性。
With GB / T 19975-2005 “tensile test of high-strength chemical fiber filaments”, the tensile properties of 12 K (12 000 filaments) carbon fiber strands were tested and the twisting number , Pre-tension, test pressure, sampling method, fiber straightening method and other test factors on the tensile properties of the tow, to determine the optimal operating conditions of 12 K carbon fiber tow tensile properties of the original test wire to protect the laboratory Reliability of test results.