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等轴晶ZrO_2(Al_2O_3,Fe_2O_3)复相陶瓷的制备
陈岚; 李锐星; 梁焕珍; 喻克宁; 徐菊
2002
Source Publication过程工程学报
Issue01Pages:45-49
Abstract讨论了以硝酸盐溶液为原料,经喷雾干燥、热解、成型、烧结或直接烧结制备等轴晶ZrO2(Al2O3, Fe2O3)复相陶瓷的过程. 研究了成型压力、烧结温度、恒温时间及Al3+, Fe3+的加入对ZrO2陶瓷的相组成、晶粒大小和形貌的影响. 结果表明:成型压力对相组成及晶粒尺寸无明显影响;无论是直接采用硝酸盐复合粉末还是采用氧化物粉末压坯作为前驱物,烧结产物的形貌、相组成不变;加入Fe2O3可克服微观结构层状堆垛,获得相对细小均匀的等轴晶粒,且随Fe2O3含量的增加,单位体积中a-(Al, Fe)2O3核心的数量增加,晶粒尺寸更加细小、均匀,Fe2O3含量相对于Al2O3在20%左右时效果最佳;各相晶粒在长时间高温烧结时生长速度较为缓慢,0.5 h为0.5 mm左右,烧结12 h才到2.0 mm左右.
Keyword喷雾干燥 Zro2 复相陶瓷 等轴晶 制备
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6827
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
陈岚,李锐星,梁焕珍,等. 等轴晶ZrO_2(Al_2O_3,Fe_2O_3)复相陶瓷的制备[J]. 过程工程学报,2002(01):45-49.
APA 陈岚,李锐星,梁焕珍,喻克宁,&徐菊.(2002).等轴晶ZrO_2(Al_2O_3,Fe_2O_3)复相陶瓷的制备.过程工程学报(01),45-49.
MLA 陈岚,et al."等轴晶ZrO_2(Al_2O_3,Fe_2O_3)复相陶瓷的制备".过程工程学报 .01(2002):45-49.
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