Low‐Temperature Thermal Conductivity in Neutron Irradiated Vitreous Silica

Cohen Anna Foner

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Low‐Temperature Thermal Conductivity in Neutron Irradiated Vitreous Silica

机译：中子辐照玻璃石英的低温热导率

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Measurements of the thermal conductivity, K, of vitreous silica have been made at low temperatures before and after fast neutron bombardment. The observed increase of K upon bombardment is in agreement with the prediction of Klemens. Over the exposure range used, K increases approximately linearly with dose to the level used (6×1019 n/cm2) whereas the density appears to have nearly saturated, suggesting that the two properties are not directly related. A possible explanation for the K increase upon bombardment is that the neutron bombardment relieves macroscopic strains. Alternatively, it is possible that bombardment causes an increase in local order in the vitreous material.

机译：在快速中子轰击之前和之后，已经在低温下测量了石英玻璃的导热系数K。轰击后观察到的K增加与Klemens的预测一致。在所使用的曝光范围内，K随剂量增加而线性近似增加到所使用的水平（6×1019 n / cm2），而密度似乎已接近饱和，这表明这两种性质并不直接相关。轰击时K增加的可能解释是中子轰击可减轻宏观应变。或者，轰击有可能导致玻璃体材料的局部秩序增加。

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《Journal of Applied Physics》 |1958年第3期|共3页
作者
Cohen Anna Foner;
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Solid State Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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4. Thermal Conductivity of Beryllium under Low Temperature High Dose Neutron Irradiation [C] . V.P. Chakin, R.N. Latypov, D.N. Suslov, IEA international workshop on beryllium technology for fusion . 2004

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Low‐Temperature Thermal Conductivity in Neutron Irradiated Vitreous Silica

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