论文部分内容阅读
对碳化钙还原氧化镁和氧化锶的反应热力学的理论计算。确定在一定温度和压力,碳化钙还原氧化镁和氧化锶混合物制备Mg-Sr中间合金在热力学上可行的。以热力学计算为指导,碳化钙真空还原氧化镁和氧化锶制备得到Mg-Sr中间合金,并利用X射线衍射分析、扫描电镜、能谱分析和化学分析等先进测试技术对其成分和微观组织进行分析。分析结果表明,Mg-Sr中间合金的主要成分为α-Mg和Mg_(17)Sr_2,合金中的质量分数为18%,并对微观组织进行分析。
Theoretical Calculation of Reaction Thermodynamics for Calcium Carbonate Reduced Magnesia and Strontium Oxide. It is thermodynamically feasible to determine that a Mg-Sr master alloy is prepared by calcining a mixture of magnesium oxide and strontium oxide at a certain temperature and pressure. Mg-Sr master alloy was prepared by vacuum reduction of magnesium oxide and strontium oxide under the guidance of thermodynamic calculation. The composition and microstructure of Mg-Sr master alloy were studied by X-ray diffraction analysis, scanning electron microscopy, energy spectrum analysis and chemical analysis analysis. The results show that the main components of Mg-Sr master alloy are α-Mg and Mg 17 Sr 2, the mass fraction of the alloy is 18%, and the microstructure is analyzed.