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Using Accelerated Hydrolytic Reversion Data to Predict Service Life of Elastomeric Potting Compounds

机译:使用加速水解反转数据预测弹性体灌封化合物的使用寿命

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A method is proposed for estimating the service life of two specific potting compounds based upon reversion data obtained at high temperatures and various humidities at each temperature. Reversion was followed using the change in durometer hardness with time. This method separates the effect of the water vapor concentration from the effects of the temperature on the rate of reversion. Knowing the vapor pressure of water at each temperature, and using the Arrhenius equation to extrapolate the data obtained, a reversion time can be calculated for any desired combinations of temperature and relative humidity, including cyclic operating conditions where temperature and humidity follow a regular cycle. (Author)

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