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Relevant bibliographies by topics / Roll-forging, Finite Element Analysis, Preforms in Forging

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Journal articles

Academic literature on the topic 'Roll-forging, Finite Element Analysis, Preforms in Forging'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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Journal articles on the topic "Roll-forging, Finite Element Analysis, Preforms in Forging"

1

Verma, Deep, P. Chandrasekhar, S. Singh, and S. Kar. "Investigations into Deformation Characteristics during Open-Die Forging of SiCp Reinforced Aluminium Metal Matrix Composites." Journal of Powder Technology 2013 (October 10, 2013): 1–14. http://dx.doi.org/10.1155/2013/183713.

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The deformation characteristics during open-die forging of silicon carbide particulate reinforced aluminium metal matrix composites (SiCp AMC) at cold conditions are investigated. The material was fabricated by liquid stir casting method in which preheated SiC particles were mixed with molten LM6 aluminium casting alloy and casted in the silicon mould. Finally, preforms obtained were machined in required dimensions. Two separate cases of deformation, that is, open-die forging of solid disc and solid rectangular preforms, were considered. Both upper bound theoretical analysis and experimental i

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2

Gao, Zhen Shan, Xiao Zhong Deng, and Fu Xiao Chen. "A Study on Gear Tooth Metal Flowing Law and Process Optimization of Spiral Bevel Gear Forging." Advanced Materials Research 753-755 (August 2013): 215–20. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.215.

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Insufficient gear tooth corner filling and high forming load are the main problems in spiral bevel gear forging. In this study, three different preforms were proposed. According to the analysis of the forging spiral bevel gear process using the semi-closed die, which was based on elastoplastic finite element model, the metal flowing law of tooth along tooth alignment and profile are revealed. From the simulation results, the arc face shape preform and the finish die with divided flow cavity are good for forging gear, and an optimized process was presented. Experiments were carried out using el

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3

Tomczak, J., Z. Pater, and T. Bulzak. "Thermo-Mechanical Analysis of a Lever Preform Forming from Magnesium Alloy AZ31 / Termomechaniczna Analiza Kształtowania Przedkuwki Dźwigni Ze Stopu Magnezu AZ31." Archives of Metallurgy and Materials 57, no. 4 (2012): 1211–18. http://dx.doi.org/10.2478/v10172-012-0135-z.

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This paper presents the results of numerical analysis of metal forming process of a lever preform from magnesium alloy AZ31, which will be used as a semi-finished product in the forging process of a lever part. Presently, the lever forging is formed from semi-finished product in the form of a bar, which is connected with large material losses. Numerical simulations were made for two different metal forming methods: forging longitudinal rolling and cross-wedge rolling. Calculations were conducted basing on finite element method (FEM), applying commercial software DEFORM-3D. Geometrical models u

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4

Pope, Jacob, and Martin Jackson. "FAST-forge of Diffusion Bonded Dissimilar Titanium Alloys: A Novel Hybrid Processing Approach for Next Generation Near-Net Shape Components." Metals 9, no. 6 (2019): 654. http://dx.doi.org/10.3390/met9060654.

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Material reductions, weight savings, design optimisation, and a reduction in the environmental impact can be achieved by improving the performance of near-net shape (NNS) titanium alloy components. The method demonstrated in this paper is to use a solid-state approach, which includes diffusion bonding discrete layers of dissimilar titanium alloy powders (CP-Ti, Ti-6Al-4V and Ti-5Al-5Mo-5V-3Cr) using field-assisted sintering technology (FAST), followed by subsequent forging steps. This article demonstrates the hybrid process route, firstly through small-scale uni-axial compression tests and sec

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5

KANG, GYUNG JU, JEONG KIM, BEOM SOO KANG, and BYUNG YOUNG MOON. "ANALYSIS AND DESIGN OF PINION WITH INNER HELICAL GEAR BY FEM." International Journal of Modern Physics B 22, no. 09n11 (2008): 1859–64. http://dx.doi.org/10.1142/s0217979208047535.

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Cold forging of pinion gear with shape of outer spur gear and inner helical gear have been investigated in this study. A numerical analysis for preform design substituting cutting process in gear forging was developed by means of upsetting process. By using the finite element program DEFORM-3D, the analysis is carried out. Using this simulation, the preform of pinion and helical gear forging process were designed. The suggested process is verified by experiment. Compared to the traditional CNC processing, the upsetting process can form a preform without cutting, which leads to shorter forming

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6

Lei, X., and C. J. Lissenden. "Finite Element Simulation of Ausforming of Austempered Ductile Iron Components." Journal of Manufacturing Science and Engineering 123, no. 3 (2000): 420–25. http://dx.doi.org/10.1115/1.1380383.

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The mechanical properties of ductile iron can be improved by ausforming, that is, applying work during austempering. The resulting yield strength and ductility are comparable to those of SAE 4140 steel, while the density is approximately 10 percent less. The viability of manufacturing components by casting a preform, austenitizing it, quenching it to the austempering temperature, forging it, austempering it, and finally, quenching it to the net shape is investigated by simulating the forging operation with finite element analysis. The preform geometry and die set geometry are determined such t

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7

Lee, Geun An, Seong Joo Lim, Dong Jin Kim, and Yong Bok Park. "Finite Element Analysis for Precision Forging Process of United Transfer Driven Parking Gear." Materials Science Forum 544-545 (May 2007): 327–30. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.327.

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Forging process is one of the most basic metal forming processes. In this study a new forging process is applied to fabricate a precision forging product uniting parking and driven gears in order to obtain lightweight and cost effectiveness of an automobile. Since the united product using the precision forging process needs high quality and new manufacturing process, 3D computer simulation by FEM has been used to reduce some trial and errors in experiment and obtain the deformation, strain, stress and load of the workpiece and die. The study has tried to find out an optimal process including p

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8

Li, Ru Xiong, and Song Hua Jiao. "Thermal Coupled FEM Analysis of Precision Roll Forging Performing of Automobile Front Axle." Advanced Materials Research 557-559 (July 2012): 1330–35. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1330.

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According to the characters, technological condition and requirements of automotive front axle forging, both the process of exact roll-forging billet and die design are studied, as the result, roll- forging die of front axle billet, pre-completed roll-forging die and final roll-forging die are design respectively, finally the groove with hat cross-section is analyzed and top pressure rolling method is proposed during blank-making roll-forging process. The precision rolling forging performing deformation process of automobile front axle is simulated with finite element software Deform-3D by usi

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9

Oh, Seung Hwan, Joon Hong Park, Kwon Hee Lee, et al. "Optimization of Preform in Forging Process Using Kriging Model." Advanced Materials Research 26-28 (October 2007): 977–80. http://dx.doi.org/10.4028/www.scientific.net/amr.26-28.977.

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The welding process, a conventional production method of gate valves, has advantages such as light weight, but it also has disadvantages such high production price. However, the forging process, has economic merits and mass production capability. The main focus of this paper is the optimization of the preform in the forging process. This paper proposes an optimal design of the preform to improve the mechanical efficiency of the gate valve made by the forging method. The design of the preform is optimized by the use of the real response model to the Kriging model by computer simulation. Also, t

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10

Wangchaichune, Sethapong, and Surasak Suranuntchai. "Finite Element Simulation of Hot Forging Process for KVBM Gear." Applied Mechanics and Materials 875 (January 2018): 30–35. http://dx.doi.org/10.4028/www.scientific.net/amm.875.30.

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In this study, the forging operations of gear has been modeled. This gear is a part which is manufactured with the help of hot forging industry for reduce the cost. The authors propose to reduce the initial billet volume of AISI 4340 steel for the forged through process optimization using the Finite Element (FE)method. The object of this research was to predict the effect of several parameters, such as effective stress, effective plastic strain, temperature and die contact, on the forming of the gear, utilizing computer simulation and experimental results. For this purpose, Solidworks CAD and

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