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Densification and Mechanical Properties of YAG Ceramics Fabricated by Air Pressureless Sintering
Tong, Huanzhe; Wang, Nengli; Zou, Yuqi; Zhang, Zhaoquan; Fan, Wugang; Shou, Jinxiang; Zhang, Xiyan
2019
Source PublicationJOURNAL OF ELECTRONIC MATERIALS
ISSN0361-5235
Volume48Issue:1Pages:374
SubtypeArticle
AbstractYttrium aluminum garnet (Y3Al5O12, YAG) ceramics with a relative density of about 99.5% were fabricated by solid-state reaction and pressureless sintering using commercial -Al2O3 and Y2O3 powders as raw materials in air. The effect of different sintering additives, e.g. tetraethyl orthosilicate (TEOS), MgO and TEOS+MgO, on the relative density and mechanical properties of the YAG ceramic samples were investigated. When the dopant content of TEOS exceeded 0.5wt.%, a sudden grain growth appeared, as well as a residual second phase located in triangle grain boundary. MgO was more effective as a sintering additive than silica in promoting the densification of the YAG ceramics. The relative density of the ceramics gradually decreased with the increase of MgO doping content and fixed TEOS content. The mechanical properties of the YAG ceramics fabricated by pressureless sintering in air at 1600-1710 degrees C were tested. The fracture surface morphology of the MgO-doped ceramic samples was mainly transgranular, whereas the TEOS-doped samples were mainly intergranular.
KeywordYAG ceramics pressureless sintering additives mechanical properties
DOI10.1007/s11664-018-6723-6
Language英语
WOS Research AreaEngineering ; Materials Science ; Physics
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27432
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Tong, Huanzhe,Wang, Nengli,Zou, Yuqi,et al. Densification and Mechanical Properties of YAG Ceramics Fabricated by Air Pressureless Sintering[J]. JOURNAL OF ELECTRONIC MATERIALS,2019,48(1):374.
APA Tong, Huanzhe.,Wang, Nengli.,Zou, Yuqi.,Zhang, Zhaoquan.,Fan, Wugang.,...&Zhang, Xiyan.(2019).Densification and Mechanical Properties of YAG Ceramics Fabricated by Air Pressureless Sintering.JOURNAL OF ELECTRONIC MATERIALS,48(1),374.
MLA Tong, Huanzhe,et al."Densification and Mechanical Properties of YAG Ceramics Fabricated by Air Pressureless Sintering".JOURNAL OF ELECTRONIC MATERIALS 48.1(2019):374.
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