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- Title
Evaluation of dynamic SIF during crack propagation in layered plates having property variation along the crack front.
- Authors
Agnihotri, Servesh Kumar
- Abstract
The present study emphasizes understanding the crack propagation in layered structures under dynamic loading conditions when the property jumps occur across the crack front. Layered plates were made by joining polymethylmethacrylate (PMMA) and epoxy sheets using an epoxy-based adhesive (Araldite). Single edge notched (SEN) specimens were subjected to dynamic loading using a modified Hopkinson bar setup. An array of strain gauges installed on surfaces of specimen was used to record the strain history in the layers during crack propagation from which the dynamic stress intensity factor (SIF) during crack propagation was evaluated. Photographs of the propagating crack front were also simultaneously captured using a high-speed imaging camera to obtain the crack tip location history in each layer.
- Publication
Sādhanā: Academy Proceedings in Engineering Sciences, 2020, Vol 45, Issue 1, p1
- ISSN
0256-2499
- Publication type
Article
- DOI
10.1007/s12046-020-01345-x