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首页> 外文会议>52nd IWCS/Focus International Wire amp; Cable Symposium; Nov 17-20, 2003; Philadelphia, Pennsylvania, USA >The Relationship Between Mechanical Strength and Coating with Time Aging
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The Relationship Between Mechanical Strength and Coating with Time Aging

机译：机械强度与时效涂层之间的关系

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摘要

The relationship between the mechanical strength of optical fiber and coating with time aging was investigated theoretically and experimentally. Prior to the strength and the coating diameter of optical fiber measurement, all specimens were exposed in fluorescent light and stored in a constant 23 ℃ /50% R.H environment. The strength was tested at various time intervals after draw up to 270 days. The coating diameter change was also performed to determine that it affects the mechanical properties of the fiber. As a result, the strength of fiber increased with time aging but the increasing rate was quite different depending on the coating thickness. The coating diameters decreased with time aging. These values were varied until approximately 200 days after draw, when they begin to level off. Based on the Lame formula, the axial stress in primary coating was calculated and it was seen that there are no noticeable differences between measured and calculated values of optical fiber. Also, It is found that the mechanical strength of optical fiber has a strong relation on time aging and coating.
机译：从理论上和实验上研究了光纤和涂层的机械强度与时效之间的关系。在测量光纤的强度和涂层直径之前，将所有样品暴露在荧光灯下并保存在恒定的23℃/ 50％R.H环境中。拉伸至270天后的不同时间间隔测试强度。还进行了涂层直径的改变以确定它影响纤维的机械性能。结果，纤维的强度随时间老化而增加，但是增加速率根据涂层厚度而有很大不同。涂层直径随时间老化而减小。这些值一直变化，直到绘制后大约200天才开始趋于稳定。根据拉姆公式，计算了一次涂层中的轴向应力，发现在光纤的测量值和计算值之间没有明显的差异。而且，发现光纤的机械强度与时间老化和涂覆有很强的关系。

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