NDLI: Prediction of void closure in a slab during various deformation processes

Content Provider	Springer Nature Link
Author	Park, Jong Jin
Copyright Year	2011
Abstract	Voids in a slab need to be closed by plastic deformation during rolling or forging processes. However, the progress of the void closure differs for the location of a void since the stress distribution in the slab is inhomogeneous. In the present investigation, the voids were assumed to be cylindrical and aligned in the thickness direction, and the void closure at any location was attempted to be predicted during the plane-strain compression in the width direction. A series of finite element analyses were performed, and as a result relations among principal strains, minor axis and aspect ratio of the cross section of a void were obtained with which the prediction of the void closure became possible. Applications of these relations to forging and rolling processes were successfully performed.
Starting Page	2871
Ending Page	2876
Page Count	6
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	25
Issue Number	11
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2011-11-20
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Void Pore Closure Deformation Finite element method Industrial and Production Engineering Vibration, Dynamical Systems, Control Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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Prediction of void closure in a slab during various deformation processes