Photoelastic study on the effect of flow induced residual stresses on fracture parameters
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- 作者：Matli Subramanyam Reddy ; subramanyam2604@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Krishnamurthi Ramesh
- 关键词：Flow induced residual stress ; Polycarbonate ; T-stress ; Crack tip constraint ; Photoplasticity
- 刊名：Theoretical and Applied Fracture Mechanics
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：85
- 期：part_PB
- 页码：320-327
- 全文大小：2185 K
文摘
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Flow induced residual stress in PC sheet is measured using carrier fringe method.
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Effect of flow residual stress on fracture is studied using photoelasticity.
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No considerable change is observed in SIF values while the T-stress changed significantly.
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A new parameter ‘R’ is defined to quantify the constraint due to residual stress.
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The parameter ‘R’ depends on magnitude and direction of the residual stress.