在氢气气氛下, 尝试采用两步法无压烧结技术制备了致密且晶粒尺寸较小的Al2O3半透明陶瓷。结果表明: 第一步烧结温度T1和第二部烧结温度T2的范围分别为1 650~1 750 ℃和1 600~1 650 ℃; 在T1, T2分别为1 750, 1 650 ℃烧结试样的力学性能较一步烧结的有了大幅提高, 其光学性能达到了灯管的要求。
所属栏目
新材料 新工艺
收稿日期
2011/12/152012/8/26
作者单位
朱渊:西安交通大学金属材料强度国家重点实验室, 西安 710049
张晓娟:西安交通大学金属材料强度国家重点实验室, 西安 710049西安工程大学理学院, 西安710048
刘桂武:西安交通大学金属材料强度国家重点实验室, 西安 710049
乔冠军:西安交通大学金属材料强度国家重点实验室, 西安 710049
备注
朱渊(1981-), 男, 山西太原人, 硕士研究生。
引用该论文:
ZHU Yuan,ZHANG Xiao-juan,LIU Gui-wu,QIAO Guan-jun.Translucent Alumina Ceranmic Prepared by Two-Step Pressureless Sintering in a Hydrogen Gas Atmosphere[J].Materials for mechancial engineering,2013,37(1):68～70
朱渊,张晓娟,刘桂武,乔冠军.氢气气氛下两步法无压烧结制备Al2O3半透明陶瓷[J].机械工程材料,2013,37(1):68～70
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