Quality control and thermal shock damage characterization of high-temperature ceramics by ultrasonic pulse velocity testing

被引：23

作者：

Boccaccini, Dino N. ^{[1
]}

Romagnoli, Marcello

Veronesi, Paolo

Cannio, Maria

Leonelli, Christina

Pellacani, Gian

Husovic, Tatjana Volkov

Boccaccini, Aldo R.

机构：

[1] Univ Modena & Reggio Emilia, Dipartimento Ingn Mat & Ambiente, I-41100 Modena, Italy

[2] Univ Belgrade, Fac Technol & Met, Belgrade 11120, Serbia

[3] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2BP, England

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2007年 / 4卷 / 03期

关键词：

D O I：

10.1111/j.1744-7402.2007.02139.x

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：

Ultrasonic pulse velocity testing was carried out to perform nondestructive quality control of refractory plates used as substrates in fast firing of porcelain whiteware. Two cordierite-mullite refractory compositions characterized by different microstructure morphologies and crack propagation behavior were investigated after a number of industrial thermal cycles. Ultrasonic velocity measurements were used to determine the presence of internal voids/cracks in the samples, originating from the manufacturing procedure. A brief discussion about the correlation between microstructure, crack propagation behavior, and thermal shock resistance is presented. Empirical models were developed to predict the service life of refractory plates from measured values of ultrasonic velocities on as-received samples.

引用

页码：260 / 268

页数：9

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