重宇宙射线离子暴露下传感器系统脆性断裂效应的估计

V. Vasilyev, A. Kalinichenko, S. Vasilyev
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引用次数: 0

摘要

研究了重离子轨道通过材料时产生的热声应力波引起的近表面脆性断裂。通过考虑电离损失的不均匀性以及所产生的应力波和温度的衰减,确定了离子轨道周围可能的损伤/破坏区的大小和形状。基于离子轨道周围的损伤区域,讨论了航天器传感器系统的损伤概率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Estimate of brittle fracture effects in sensor system exposed to heavy cosmic ray ions
A near surface brittle fracture caused by the thermoacoustic stress wave from a heavy ion track passing through material is investigated. The size and shape of possible damage/destruction zone around the ion track are found by accounting for the ionization loss nonuniformity and attenuation of the generated stress wave and temperature. The probability of spacecraft sensor system damage is discussed on the basis of a damage zone around the ion trajectory.
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