The mechanical behavior of optical fiber as a function of dew point temperature

机译：光纤的机械性能与露点温度的关系

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The dew point temperature (DPT) is defined as the temperature at which condensation will form from a gas containing moisture. The DPT, which is a measure of the water vapor reactivity, depends on the relative humidity (RH) and the temperature of the gas. The strength of optical fiber has been shown to have a dependence on the humidity and the temperature of the test environment. The results of one study imply that the strength over a range of temperature and humidity can be expressed as a function of the DPT only. While attractive for its simplicity, this idea suggests that the strength depends only on the thermodynamics of the equilibirum between the vapor and condensed phases of water and does not depend on the kinetics of the reaction between water and silica. In the work described here, the strength has been measured at various humidities and temperatures in order to test the dependence on dew point temperature. It was found that the strength degradation is not solely described by the DPT. The strength and dynamic fatigue data were also interpreted by a stress assisted chemical kinetics model. The degradation reaction order with respect to humidity at different air temperatures was found to be apprximately two.

机译：露点温度（DPT）定义为由含湿气的气体形成冷凝的温度。 DPT是水蒸气反应性的量度，取决于相对湿度（RH）和气体温度。已经表明，光纤的强度取决于测试环境的湿度和温度。一项研究的结果表明，在一定温度和湿度范围内的强度只能表示为DPT的函数。尽管其简单性吸引人，但该想法表明强度仅取决于蒸气和水的冷凝相之间的平衡热力学，而不取决于水和二氧化硅之间的反应动力学。在这里描述的工作中，已经在各种湿度和温度下测量了强度，以测试对露点温度的依赖性。已经发现，强度下降不仅仅由DPT来描述。强度和动态疲劳数据也可以通过应力辅助化学动力学模型来解释。发现在不同的空气温度下，相对于湿度的降解反应顺序大约为两个。

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《Reliability of photonics materials and structures》|1998年|p.59-63|共5页
会议地点 San Francisco CA(US)
作者
J. L. Armstrong; M. J. Matthewson; C. R. Kurkjian;
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正文语种 eng
中图分类一般工业技术;
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The mechanical behavior of optical fiber as a function of dew point temperature

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