Results 61 to 70 of about 613 (113)

Effect of Processing and Nano scale Reinforcement on the cold forming of Al-TiC Composites

International Journal of ChemTech Research, 2018
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Spring-back analysis in the cold-forming process of ship hull plates

International Journal of Advanced Manufacturing Technology, 2018
Hull structures and offshore structures are composed of curved thick plates. Line heating method has traditionally been used to produce such curved plates. However, it is recognized that the hot-forming process causes a variety of issues on doubly or multiple curved plates.
Wei Shen, Lin Xu, Renjun Yan
exaly   +2 more sources

Energy Evaluation of Cold-Forming Processes

CIRP Annals, 1990
Summary The contribution first discusses the specific energy consumed in cold forming processes. In order to make on objective comparison of the specific energies consumed in forming as opposed to cutting, the paper proposes the introduction of a new parameter called the degree of structure fineness S. Considering this parameter an energy evaluation
K. Kuzman, J. Peklenik
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Simulation of industrial cold forming processes

Communications in Applied Numerical Methods, 1987
AbstractA microcomputer‐based system for the simulation of cold metalforming processes is described. The simulation uses a nonlinear elastic–plastic finite element method developed for use on a 16‐bit microcomputer. The suitability of such a system is demonstrated by reviewing its application to industrial forming processes such as heading and ...
A. A. M. Hussin, P. Hartley, C. E. N. Sturgess, G. W. Rowe   +3 more
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Virtual Process Design for Cold Formed Components

Key Engineering Materials, 2015
Finite element models optimizing cold forged products have to incorporate the complete manufacturing pathway. Virtual process design as a method based on a multistep operation approach can describe interacting phenomena. Thus, inheritance effects like residual stress and damage evolution can be tracked throughout the processing chain.
Sonja Schratter, Jozef Keckes, Gerald Winter, Bruno Buchmayr   +3 more
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Nitridable steels for cold forming processes

Metallurgical Transactions A, 1981
Low carbon titanium steels with nickel and/or manganese and silicon additions were developed to combine formability, nitradability with increased strength. The strength, formability, and nitradability of 16 different compositions were investigated. Neither the depth nor the great hardness of nitrided layers, due to TiN particles < 15A in size, was ...
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Influence of Die Machining Operation on the Friction Condition in the Cold Forming Process

Tribology Transactions, 2021
The texture of a die surface plays an important role in the tribology of metal forming processes.
Gholamreza Hosseinpour, Mahdi Gerdooei, Vali Alimirzaloo   +2 more
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Some comments on cold forming process stability analysis

Journal of Materials Processing Technology, 2003
Abstract The paper deals with accuracy problems in different forming processes. In cold forging, the outcoming part is exactly defined with tolerances and mechanical properties. On the incoming side, where the material is defined, the definition of geometry and mechanical properties fluctuations is not so clear, because they depend also of the chosen
M Nastran, K Kuzman
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Recent Developments in the Design and Control of Cold Forming Processes

1999
In the paper some problems of process design and control in metal forming are taken into account. In particular as far as the former aspect is concerned, the problem of the preform design in cold forging is analyzed: the contributions offered by several researchers are presented and an innovative design procedure is proposed.
N. Alberti, F. Micari
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Cracking during cold forming process of rear brake component

Engineering Failure Analysis, 2008
Abstract The root cause for cracking of rear brake components occurred during cold forming process was investigated. Optical micrographs showed the abundance of extended inclusions with several rounded ones in the steel. SEM image revealed the fracture surface which contained many extended cavities formed by extended inclusions and dimples all ...
O. Elkoca, H. Cengizler
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