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以铝热还原法合成了MgAl2O4/W复合材料.研究结果表明:通过调整氧化镁的含量可以获得含富铝尖晶石或富镁尖晶石与金属钨的复合材料.其中富铝尖晶石晶体发育完整,氧化铝含量大于80%.金属钨主要以等轴晶存在,约1~8μm.随氧化镁含量的增加,尖晶石的晶格常数逐渐变大.富铝尖晶石和富镁尖晶石具有不同的生长机理.

参考文献

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