Ultrasonic pulse velocity testing and image anal. were used to predict thermal stability of refractories. Two cordierite-mullite compns. used as substrates in fast firing of porcelain whiteware characterized by different microstructure morphologies and crack propagation behavior were investigated. The measurement of the ultrasonic velocity was used to assess the material degrdn. with increasing thermal shock cycles and specimen damage was monitored using image anal. and further results of material degrdn. were obtained. A brief discussion about the correlation between thermomech. properties, microstructure, crack propagation behavior and thermal shock resistance is presented. Moreover, empirical models are developed to predict thermomech. properties from ultrasonic velocity and surface damage measurements. Then, service life prediction models of refractory plates from measured values of ultrasonic velocities in plates in the as-received state are presented.

Characterization of thermal shock damage in cordierite-mullite refractory materials by non-destructive methods / D. N., Boccaccini; E., Kamseu; T. D., Volkov Husovic; M., Cannio; Romagnoli, Marcello; Veronesi, Paolo; Leonelli, Cristina; I., Dlouhy; A. R., Boccaccini. - In: METALURGIJA. - ISSN 0543-5846. - STAMPA. - 13(1):(2007), pp. 65-70.

Characterization of thermal shock damage in cordierite-mullite refractory materials by non-destructive methods.

ROMAGNOLI, Marcello;VERONESI, Paolo;LEONELLI, Cristina;
2007

Abstract

Ultrasonic pulse velocity testing and image anal. were used to predict thermal stability of refractories. Two cordierite-mullite compns. used as substrates in fast firing of porcelain whiteware characterized by different microstructure morphologies and crack propagation behavior were investigated. The measurement of the ultrasonic velocity was used to assess the material degrdn. with increasing thermal shock cycles and specimen damage was monitored using image anal. and further results of material degrdn. were obtained. A brief discussion about the correlation between thermomech. properties, microstructure, crack propagation behavior and thermal shock resistance is presented. Moreover, empirical models are developed to predict thermomech. properties from ultrasonic velocity and surface damage measurements. Then, service life prediction models of refractory plates from measured values of ultrasonic velocities in plates in the as-received state are presented.
13(1)
65
70
Characterization of thermal shock damage in cordierite-mullite refractory materials by non-destructive methods / D. N., Boccaccini; E., Kamseu; T. D., Volkov Husovic; M., Cannio; Romagnoli, Marcello; Veronesi, Paolo; Leonelli, Cristina; I., Dlouhy; A. R., Boccaccini. - In: METALURGIJA. - ISSN 0543-5846. - STAMPA. - 13(1):(2007), pp. 65-70.
D. N., Boccaccini; E., Kamseu; T. D., Volkov Husovic; M., Cannio; Romagnoli, Marcello; Veronesi, Paolo; Leonelli, Cristina; I., Dlouhy; A. R., Boccaccini
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/592277
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