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氘气透过高纵横比空心玻璃微球的实验研究 被引量:6

Experimental Study on the Permeability of D_2 through Hollow Glass Microspheres with High Aspect Ratios
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摘要 为了测试用于激光聚变实验的高纵横比空心玻璃微球 (HGM)对D2 气保气性能及计算HGM内D2 剩余量 ,对 3种常用配方HGM及其用 0 5MNH4 F +0 1MHNO3 洗液在 90℃下处理后的HGM分别在 5 73K下分三步热扩散充D2 气 ,然后在 2 90K下分别在 0h、72h、144h时用气泡法测量HGM内的D2 气压 ,由此测定了D2 气体透过HGM的充气速率和漏气速率及其表观扩散活化能 ,并给出它们对D2 保气半时间或充气半时间随HGM直径。 To test the ability to retain D 2 of hollow glass microspheres(HGM) with high aspect ratios and to calculate the left pressures of D 2 inside which varied with time and temperature,6 kinds of HGM,among which 3 kinds had different components and the other 3 kinds were their washed counterparts,were filled with D 2 at 573K by three steps and then kept at 290K in three groups. The pressures of D 2 inside them were then measured by bubble method at 0h, 72h and 144h respectively. Then the permeabilities of D 2 through each kind HGM at 573K and 290K and the apparent activation energy were obtained experimentally. And the D 2 retention half lives in the 6 kinds of HGM were formulated with the temperatures,HGM’s diameter and wall thickness and the apparent activation energy.
出处 《硅酸盐通报》 CAS CSCD 2001年第1期3-5,9,共4页 Bulletin of the Chinese Ceramic Society
基金 国防预研项目 !(5 4 9 4) 中国工程物理研究院科学技术研究基金 !(990 5 5 3 )资助项目部分内容
关键词 激光聚变靶丸 空心玻璃微球 D2扩散速率 保气半时间计算式 氚气 laser fusion target hollow glass microsphere permeability of D 2 formula of gas retention half life
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