ACOUSTIC-EMISSION OF THERMALLY CYCLED REFRACTORIES

被引：8

作者：

KONSZTOWICZ, KJ ^{[1
]}

FONTAINE, D ^{[1
]}

机构：

[1] ECOLE POLYTECH,MONTREAL H3C 3A7,QUEBEC,CANADA

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 10期

关键词：

acoustic emission; differential thermal analysis; refractories; thermal shock; X‐ray diffraction;

D O I：

10.1111/j.1151-2916.1990.tb06679.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：

Acoustic emission (AE) technique was applied to continuously monitor property degradation during standard thermal shock fatique testing of three distinct types of refractories. AE results were correlated with respective strength losses of analyzed materials after a defined number of heating and cooling cycles. The complex nature of the AE signals was revealed by AE amplitude and duration analysis indicating that not all of the signals that were registered during thermal shock tests could be correlated with strength changes. On this basis, it was postulated that simple counting of a number of AE events should not be used as a measure of the degree of damage in refractories under thermal shock. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：2809 / 2814

页数：6

共 22 条

[1]

AINSWORTH JH, 1974, AM CERAM SOC BULL, V53, P533

[2] STRENGTHENING STRATEGIES FOR ZRO2-TOUGHENED CERAMICS AT HIGH-TEMPERATURES [J].

CLAUSSEN, N .

MATERIALS SCIENCE AND ENGINEERING, 1985, 71 (1-2) :23-38

[3]

DROUILLARD TF, 1979, BIBLIOGRAPHY ABSTRAC

[4]

Dunegan HL, 1972, ASTM STP, P100

[5]

EVANS AG, 1978, FUNDAMENTALS ACOUSTI, P209

[6] THERMAL-STRESS RESISTANCE OF ENGINEERING CERAMICS [J].

HASSELMAN, DPH .

MATERIALS SCIENCE AND ENGINEERING, 1985, 71 (1-2) :251-264

[7]

HOMENY J, 1980, THERMAL STRESSES SEV, P348

[8]

Kingery W.D., 1976, INTRO CERAMICS, V17

[9]

Konsztowicz K. J., 1989, Journal of Nondestructive Evaluation, V8, P1, DOI 10.1007/BF00566583

[10] CRACK-GROWTH AND ACOUSTIC-EMISSION IN CERAMICS DURING THERMAL-SHOCK [J].

KONSZTOWICZ, KJ .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1990, 73 (03) :502-508

← 1 2 3 →