Ray, Ajoy K and Bhattacharya, D K and Das, Goutam (1996) Acoustic emission studies during indentation on ceramic and ceramic composite. Trends in nde science and technology - proceedings of the 14th world conference on ndt (14th wcndt),, 1-5 ( ). pp. 2455-2458.
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Abstract
Acoustic emission (AE) activity during indentation fracture toughness tests on 25 wt% silicon carbide whisker(SiCw) reinforced alumina composite and an alumina based wear resistant ceramic has been investigated. It has been shown as to how the emitted AE signals may characterize the crack growth during loading and unloading of an indentation test. The AE results indicate that in the case of the composite the amount of crack growth during unloading was higher than that during loading. The reverse is true in the case of wear resistant ceramic and in this case overall less AE activity was observed compared to that of the composite.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | http://www.nmlindia.org |
| Uncontrolled Keywords: | Acoustic emission; Ceramic composite |
| Divisions: | Material Science and Technology |
| ID Code: | 1036 |
| Deposited By: | Sahu A K |
| Deposited On: | 15 Jun 2010 12:42 |
| Last Modified: | 08 Feb 2012 14:41 |
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