Volume 15, Issue 4 (2015)                   Modares Mechanical Engineering 2015, 15(4): 272-280 | Back to browse issues page

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Choupani N, Soltanpour Khamneh M. Investigation on mixed mode elastic-plastic fracture behavior of ABS polymeric material. Modares Mechanical Engineering. 2015; 15 (4) :272-280
URL: http://journals.modares.ac.ir/article-15-10612-en.html
1- Sahand University of Technology
Abstract:   (3030 Views)
Abstract Nowadays, polymeric materials are used in most industrial and engineering applications. In many of the applications, crack is initiated in mixed mode loading conditions. As a result, investigation of these materials at different loading angles is essential for safe design of structures. In this paper the mixed-mode elastic-plastic fracture behavior of ABS material based on J-integral key parameter was studied and the modified Arcan fixture was employed to investigate fracture behavior of this material under pure mode I (opening mode), pure mode II (shearing mode) and in plane mixed mode loading conditions. This work has been carried out experimentally by J–integral method named multi-specimen and normalization techniques. Finally, by fitting linear and power functions based on ASTM E813-81 and E813-87 test procedures respectively, the fracture toughness of this polymeric material was obtained in plane strain condition. The (J-R) curve comparison showed good agreement between the two methods. The minimum difference between the two methods obtained in a shear mode by ASTM E813-81 was about 1.37% and the maximum difference observed in tensile mode by ASTM E813-87 was about 30.7%.
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Article Type: Research Article | Subject: Creep, Fatigue & Failure
Received: 2015/01/5 | Accepted: 2015/01/18 | Published: 2015/03/2

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