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Analysis of cracked functionally graded piezoelectric strip
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- Mousavi, Mahmoud, 1983- (author)
- Aalto University, Finland
-
- Paavola, Juha (author)
- Aalto University, Finland
- (creator_code:org_t)
- Elsevier BV, 2013
- 2013
- English.
- In: International Journal of Solids and Structures. - : Elsevier BV. - 0020-7683 .- 1879-2146. ; 50:14-15, s. 2449-2456
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Abstract The fracture behavior of a cracked strip under antiplane mechanical and inplane electrical loading is studied. A functionally graded piezoelectric strip with exponential material gradation is under consideration. The mechanical and electrical loading is combined via loading coupling factor. The problem of a graded piezoelectric strip containing a screw dislocation is solved. This solution results in stress and electric displacement components with Cauchy singularity. Based on the solution achieved for the dislocation, the distributed dislocation technique (DDT) is utilized to form any geometry of multiple cracks and analyze the behavior of a cracked strip under antiplane mechanical and inplane electrical loading. This technique is capable of the analysis of a strip with a system of interacting cracks. Several examples including strips with single crack, two straight cracks and two curved cracks are presented.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Keyword
- Functionally graded piezoelectric; Crack; Strip; Distributed dislocation technique
- Materialteknik
- Materials Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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