نتایج جستجو برای: plastic forming

تعداد نتایج: 167997  

Bahman Ghorbani Mehdi Zohoor,

Electromagnetic forming is a high energy rate forming process in which an electromagnetic Lorentz body force is used for deformation of products.  In this article, electromagnetic forming process was simulated for the assembly of parts as an innovative method.  The effect of important process parameters such as discharge energy, radius and width of rectangular groove on the strength of the asse...

Bahman Ghorbani Mehdi Zohoor,

Electromagnetic forming is a high energy rate forming process in which an electromagnetic Lorentz body force is used for deformation of products.  In this article, electromagnetic forming process was simulated for the assembly of parts as an innovative method.  The effect of important process parameters such as discharge energy, radius and width of rectangular groove on the strength of the asse...

2009
A. H. van den Boogaard

This paper presents a direct substructuring method to reduce the computing time of implicit simulations of single point incremental forming (SPIF). Substructuring is used to divide the finite element (FE) mesh into several non-overlapping parts. Based on the hypothesis that plastic deformation is localized, the substructures are categorized into two groups: the plastic—nonlinear—substructures a...

Migration of chemicals from plastic containers into drinks and liquids containing them, is supposed to be a hazardous phenomenon and results in many health problems. Sample preparation is of great importance due to trace amounts analysis of these compounds. In this research, dispersive liquid–liquid microextraction is applied for the extraction and preconcentration of the migrated compounds pri...

Bahman Ghorbani Mehdi Zohour,

Electromagnetic forming is a high energy rate forming process. In this process, an electromagnetic Lorentz body force is used for deformation of products. In this article, Electromagnetic forming process was simulated for assembly of parts as an innovative method. In this research work, the effect of important parameters of process such as discharge energy, radius and width of rectangular groov...

Bahman Ghorbani Mehdi Zohour,

Electromagnetic forming is a high energy rate forming process. In this process, an electromagnetic Lorentz body force is used for deformation of products. In this article, Electromagnetic forming process was simulated for assembly of parts as an innovative method. In this research work, the effect of important parameters of process such as discharge energy, radius and width of rectangular groov...

1999
U. Schneider

The Nagel-scaling and the modified scaling procedure proposed recently by Dendzik et al. have been applied to broadband dielectric data on two glass-forming liquids (glycerol and propylene carbonate) and three plastic crystals (ortho-carborane, meta-carborane, and 1-cyano-adamantane). At the highest frequencies investigated, deviations from a single master curve show up which are most pronounce...

2015
M. Muller S. M. Barrans L. Blunt

V-Band Clamps are manufactured using a cold roll forming process consisting of six passes which plastically deform an initially flat strip by bending to produce the band’s V-section. In this paper a new method of validating numerically predicted plastic deformation in a cold formed metal strip is presented. Tensile testing of samples of the band’s material was used to obtain a direct link betwe...

Journal: :journal of modern processes in manufacturing and production 2014
mehdi zohoor bahman ghorbani

electromagnetic forming is a high energy rate forming process in which an electromagnetic lorentz body force is used for deformation of products.  in this article, electromagnetic forming process was simulated for the assembly of parts as an innovative method.  the effect of important process parameters such as discharge energy, radius and width of rectangular groove on the strength of the asse...

Journal: :Transactions of the Iron and Steel Institute of Japan 1970

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