Microwave, Spark Plasma and Conventional Sintering to Obtain Controlled Thermal Expansion β-Eucryptite Materials

被引：23

作者：

Benavente, Rut ^{[1
]}

Salvador, Maria D. ^{[1
]}

Borrell, Amparo ^{[1
]}

Garcia-Moreno, Olga ^{[2
]}

Penaranda-Foix, Felipe L. ^{[3
]}

Catala-Civera, Jose M. ^{[3
]}

机构：

[1] Univ Politecn Valencia, ITM, E-46022 Valencia, Spain

[2] CSIC UO PA, CINN, Llanera 33428, Asturias, Spain

[3] Univ Politecn Valencia, Inst Aplicac Tecnol Informac & Comunicac Avanzada, E-46022 Valencia, Spain

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2015年 / 12卷

关键词：

CERAMICS; FABRICATION; GROWTH;

D O I：

10.1111/ijac.12285

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Lithium aluminosilicate was fabricated by conventional and nonconventional sintering: microwave and spark plasma sintering, from 1200 to 1300 degrees C. A considerable difference in densification, microstructure, coefficient of thermal expansion behavior and hardness and Young's modulus was observed. Microwave technology made possible to obtain fully dense glass-free lithium aluminosilicate bulk material (>99%) with near-zero and controlled coefficient of thermal expansion and relatively high mechanical properties (7.1GPa of hardness and 110GPa of Young's modulus) compared with the other two processes. It is believed that the heating mode and effective particle packing by microwave sintering are responsible to improve these properties.

引用

页码：E187 / E193

页数：7

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