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The Effect of Spacecraft Charging on the Interaction of Atomic Oxygen with Polymers

机译：航天器充电对原子氧与聚合物相互作用的影响

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We have measured scattering and reactions of atomic oxygen (AO) with polysulfone-resin targets, simultaneously bombarded with an electron beam. We the measured rates for reactions leading to CO, CO_2, SO and SO_2 in the final state, and found that they increased when the target was electrically isolated, allowing it to charge. We verified that the increase in reaction rate was due to the electric fields from target charging, by using an external bias supply and turning off the electron bombardment. We have developed a simple theory which accounts for the effects observed. If substantiated by further studies, this result has implications for the effects of atomic oxygen on spacecraft which are subject to charging.
机译：我们测量了同时被电子束轰击的原子氧（AO）与聚砜树脂靶的散射和反应。我们测量了最终状态下导致CO，CO_2，SO和SO_2的反应速率，发现当电隔离目标并使其充电时，反应速率会增加。通过使用外部偏置电源并关闭电子轰击，我们证实了反应速率的提高是由于目标充电产生的电场所致。我们已经开发出一种简单的理论来解释所观察到的影响。如果进一步研究证实，该结果对原子氧对航天器的影响有影响。

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