New applications of acoustic emission technique for real-time monitoring of material processes

被引：16
|
作者：
Chotard, TJ
Smith, A
Codet, N
De Baillencourt, M
Fargeot, D
Gault, C
机构：
[1] Ecole Natl Super Ceram Ind, GEMH, Grp Etude Mat Heterogenes, EA 3178, F-87065 Limoges, France
[2] Inst Univ Tecgnol, Dept Genie Mecan & Product, F-87065 Limoges, France
来源：
JOURNAL OF MATERIALS SCIENCE LETTERS | 2002年 / 21卷 / 16期
关键词：
Calcium hemihydrate - Entanglement - Inter-crystalline interaction - Porous ceramic - Real-time monitoring;
D O I：
10.1023/A:1016559220138
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Acoustic emission (AE) was applied to "evolutive systems" where physical or chemical modifications can occur with time. First, a setting plaster with different grain sizes was tested. Following this, the precipitation of Al(OH)3 and the role of a surfactant were studied. Finally, the drying of a porous ceramic with different pore sizes and initially filled with water was followed. Overall, evidence was obtained that AE can be a useful technique for monitoring in situ, and without any external applied load, the kinetics of materials during processes in ceramic based systems.
引用
收藏
页码：1261 / 1266
页数：6
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