Naslov
On Screw Dislocation Near a Crack in PZT Material Under Electromechanical Load

Autori
Kulenović, Zlatan ; Kulenović, Darko

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of 14th International Research/Expert Conference TMT 2010 (Trends in Development of Machinery and Associated Technology) / Ekinović, S., Uctug, Y., Vivancos, J. - : University of Zenica, B&H ; Universitat Politecnica de Catalunya, Spain ; Bahcesehir University of Isambul, Turkey, 2010, 497-500

Skup
14th International Research/Expert Conference TMT 2010 (Trends in Development of Machinery and Associated Technology)

Mjesto i datum
Sredozemno more, 11.09.2010. - 18.09.2010

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
screw dislocation; crack; force; PZT ceramic material

Sažetak
The piezoelectric materials have been widely used in modern electromechanical devices and engine systems. It is well known that various effects in material, such as dislocations, cracks and inclusions can adversely influence the integrity and performance of such devices/systems. Therefore, it is very important that the behaviors of these defects are analyzed under real electromechanical load. In this work is analyzed a simple continuum model of a single screw dislocation near a finite crack in a hexagonal piezoelectric crystal subjected to electromechanical load. The linear piezoelectric theory, complex analytic functions and conformal mapping method are used, and the forces acting on a dislocation are determined. The numerical results for piezoelectric PZT ceramic material are obtained in MatLab and they are presented in 2D and 3D graphs.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo, Tehnologija prometa i transport

POVEZANOST RADA