以3.5PbO.96.5B2O3(m o l%)玻璃作为研究对象,着重研究其在不同重力条件下的分相现象。该部分讨论了2个落塔实验试样发生分相的重力条件,同时分析了试样的相组成和试样成分的不均匀性。结果发现,该成分玻璃发生分相后形成的富硼相和富...以3.5PbO.96.5B2O3(m o l%)玻璃作为研究对象,着重研究其在不同重力条件下的分相现象。该部分讨论了2个落塔实验试样发生分相的重力条件,同时分析了试样的相组成和试样成分的不均匀性。结果发现,该成分玻璃发生分相后形成的富硼相和富铅相都是玻璃相。分相在高重力阶段发生的试样其成分均匀性最差,原因在于富硼相和富铅相间存在较大的密度差。展开更多
This work aims at optimizing densification parameters as well as resistance to hydration and slag attack of MgO-Dolomite refractory grains, processed from Egyptian dolomitc-magnesite raw material up to firing for 1-4 ...This work aims at optimizing densification parameters as well as resistance to hydration and slag attack of MgO-Dolomite refractory grains, processed from Egyptian dolomitc-magnesite raw material up to firing for 1-4 h at 1400-1600 ℃, in relation to their phase composition and microfabric. Minor amount of natural ilmenite mineral (0-2 wt%), separated from Egyptian black sands was used in doping the dolomitc-magnesite.展开更多
文摘以3.5PbO.96.5B2O3(m o l%)玻璃作为研究对象,着重研究其在不同重力条件下的分相现象。该部分讨论了2个落塔实验试样发生分相的重力条件,同时分析了试样的相组成和试样成分的不均匀性。结果发现,该成分玻璃发生分相后形成的富硼相和富铅相都是玻璃相。分相在高重力阶段发生的试样其成分均匀性最差,原因在于富硼相和富铅相间存在较大的密度差。
文摘This work aims at optimizing densification parameters as well as resistance to hydration and slag attack of MgO-Dolomite refractory grains, processed from Egyptian dolomitc-magnesite raw material up to firing for 1-4 h at 1400-1600 ℃, in relation to their phase composition and microfabric. Minor amount of natural ilmenite mineral (0-2 wt%), separated from Egyptian black sands was used in doping the dolomitc-magnesite.
