Effects of - al2o3 nano - powder additions on sintering of high purity corundum brick 3纳米粉对高纯刚玉砖烧结性能的影响
3.
Effect of adding nanocrystalline - al2o3 on sintering behavior of alumina fibers 3纳米粉对高纯刚玉制品高温力学性能的影响
4.
The gemstones in the corundum group consist of pure aluminium oxide which crystallised into wonderful gemstones a long time ago as a result of pressure and heat at a great depth 蓝宝石的矿物名称为刚玉，其纯铝氧化物，是在久远以前被地层底下的压力和热度结晶化，转换为美丽灿烂的宝石。纯刚玉是无色的。
