Compatibility of insulating ceramic materials with liquid breeders
Compatibility of insulating ceramic materials with liquid breeders
复制标题
绝缘陶瓷材料与液体增殖剂的相容性
DOI：
10.1016/s0920-3796(98)00382-2
复制
发表时间：
1998
影响因子：
1.7
通讯作者：
Satoru Tanaka
中科院分区：
文献类型：
--
作者：
Takaaki Mitsuyama;T. Terai;T. Yoneoka;Satoru Tanaka
陶瓷涂层的开发是液膜研发的重要课题之一。研究了候选陶瓷材料（Y2O3、Al2O3、MgO、3Al2O3-MgO、AlN-BN和BN）在773 K ~ 5 Ms温度下与液态金属增殖剂（如金属锂和锂铅合金（Lil7-Pb83））的相容性及其绝缘性能的变化。al2o3和3Al2O3-MgO被锂腐蚀严重，溶解或破碎，而MgO被腐蚀均匀，腐蚀速率中等（4.8 Ms为27 μm）。热力学最稳定的y2o3被轻微腐蚀，电导率略有提高。另一方面，正如热力学分析预测的那样，所有的陶瓷材料都没有被Lil7-Pb83腐蚀。被锂腐蚀的AlN-BN和BN由于试样中含有的杂质溶解在锂中而变得更加脆弱。
The development of ceramic coating is one of the most important subjects in liquid blanket R&D. The compatibility of candidate ceramic materials (Y2O3, Al2O3, MgO, 3Al2O3–MgO, AlN–BN and BN) with liquid metal breeders such as metallic lithium and lithium-lead alloy (Lil7–Pb83) was investigated at 773 K up to 5 Ms with the change in insulating property. Al2O3and 3Al2O3–MgO were severely corroded and dissolved or broken by lithium, while MgO was corroded uniformly with a moderate rate (e.g. 27 μm for 4.8 Ms). The most thermodynamically stable Y2O3was a little corroded and showed a slight increase in electrical conductivity. On the other hand, all the ceramic materials were not corroded at all by Lil7–Pb83, as predicted from a thermodynamical analysis. AlN–BN and BN corroded by lithium became more fragile because impurities included in the specimens were dissolved in lithium.