测试参数对卷烟纸机械性能测试结果的影响
Effects of Test Parameters on Results of Mechanical Property Test of Cigarette Paper
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摘要: 通过不同水平下拉伸速度、试验长度、试样宽度等参数和卷烟纸纵向抗张强度、伸长率及断裂时间的相关分析,研究了不同测试参数对卷烟纸机械性能的影响,探讨了提高卷烟纸纵向抗张强度及伸长率测试结果一致性的方法。结果表明:①在5~30 mm/min范围内,随着拉伸速度的增加,卷烟纸的纵向抗张强度略有增加,伸长率略有减小,断裂时间显著降低;②在100~260 mm的试验范围内,随着试验长度的增加,卷烟纸的抗张强度、伸长率均呈负相关关系,断裂时间呈线性增加;③为保证测试结果的一致性,测试卷烟纸机械性能时,拉伸速度设定在18~20 mm/min范围内,且试样宽度的误差应控制在±0.1 mm。Abstract: By analyzing the correlation of the parameters of tensile speed, length and width of test specimen with longitudinal tensile strength, elongation rate and fracture time of cigarette paper, the effects of different parameters on the results of mechanical property test of cigarette paper and the controlling factors of improving the consistency of test results of longitudinal tensile strength and elongation rate were discussed.The results showed that: 1) in the range of 5-30 mm/min, the tensile strength of cigarette paper increased and the elongation rate somewhat decreased, while the fracture time decreased significantly with the increase of tensile speed;2) in the range of 100-260 mm, test length negatively correlated with tensile strength and elongation rate, while linearly positively correlated with fracture time;3) for ensuring the consistency of test results, tensile speed should be set in the range of 18-20 mm/min, and the error of specimen width should be within ±0.1mm
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