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IIJME:Volume 4, Issue 12, December 2016

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Title:
FINITE PART BONDMEN OF ELASTIC FRACTURE IN AUTOMOTIVE PANEL FORMING: COMPARISON BETWEEN FLD AND LEMAITRE DAMAGE MODELS
Author Name:
Miss. Naina Sharma
Abstract:
ABSTRACT In flat solid forming processes with advanced strain ways, an area is subjected to giant plastic deformation. This severe plastic deformation results in high plastic strain localization zones and ensuant accumulation of these strains. Then internal and superficial micro-defects and in different words ductile injury is made. This injury causes quality issues like fracture. Therefore, style engineers ought to accurately estimate the injury initiation and its growth. during this paper, initiation and evolution of harm has been foreseen mistreatment Lemaitre’s injury and forming limit diagram (FLD) damage models for automotive panel forming, due to its nonlinear strain ways. Lemaitre’s injury criterion has been enforced as a function for associate elastic-plastic material and plane stress and finite strain theories. mistreatment this function in express finite component code, injury initiation and evolution is foreseen for the higher than mentioned method and also the results obtained by FLD and Edouard Lemaitre models square measure compared. during this paper, FLD and Edouard Lemaitre injury models results show the actual fact that the injury localization zones square measure cherish the equivalent plastic strain distributions. Comparison of the FLD injury associated Edouard Lemaitre injury results show that in an automotive panel forming method, each models predict initiation of cracks within the edges of a sheet. Hence, its ended that finite component technique combined with time injury mechanics will be used as a reliable and fast tool to predict injury evolution in flat solid forming processes with nonlinear and complicated strain ways like automotive panel forming.
Cite this article:
Miss. Naina Sharma , " FINITE PART BONDMEN OF ELASTIC FRACTURE IN AUTOMOTIVE PANEL FORMING: COMPARISON BETWEEN FLD AND LEMAITRE DAMAGE MODELS" , IPASJ INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING (IIJME) , Volume 4, Issue 12, December 2016 , pp. 051-053 , ISSN 2321-6441.
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