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光纤动态疲劳参数的两种测试方法及其差异分析
Authors
于丽君
彭利红
胡鹏
Publication date
1 January 2016
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
由光纤筛选实验寿命预期模型可知,影响光纤寿命的主要参数有威布尔指数m、应力腐蚀敏感性参数n和筛选应力与静态应力比值。文章重点讨论了轴向张力法和两点弯曲法对光纤寿命的重要评价指数动态疲劳参数Nd值的影响及判定。对两种测试方法测得的G.652D光纤的Nd值进行统计,对优缺点进行了分析。结果表明,轴向张力拉伸法可以很好地发现光纤强度问题,但实现过程中光纤容易打滑,而两点弯曲法则相反。在实际测试过程中应综合使用两种测试方法
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Last time updated on 26/01/2023