Results 51 to 60 of about 735 (153)

Geometrical Prediction of Copper-Coated Solid-Wire Deposition by Wire-Arc Additive Manufacturing Based on Artificial Neural Networks and Support Vector Machines

Metrology
Wire and arc additive manufacturing is a promising technology for fabricating large and complex metallic components. Wire arc methods, like MIG and MAG, use an electric arc to melt and deposit metal wire layer-by-layer.
Miroslav Petrov, Grazia Lo Sciuto, Evgeni Tongov, Yavor Sofronov, Georgi Todorov, Todor Todorov, Valentin Mishev, Antonio Nikolov, Krum Petrov   +8 more
doaj   +1 more source

Research on Heat Source Model and Weld Profile for Fiber Laser Welding of A304 Stainless Steel Thin Sheet

Advances in Materials Science and Engineering, 2018
A heat source model is the key issue for laser welding simulation. The Gaussian heat source model is not suitable to match the actual laser weld profile accurately.
Peizhi Li, Yu Fan, Chonghao Zhang, Zhiyuan Zhu, Wenteng Tian, Anmin Liu   +5 more
doaj   +1 more source

A New Approach For Predicting And Optimizing Weld Bead Geometry In Gmaw

, 2009
{"references": ["N. Christensen, V. Davies, & K. Gjermundsen, \"Distribution of\ntemperature in arc welding\", Br Weld J vol.12(2), pp.54-75, 1965.", "R.S. Chandel, H.P. Seow, F.L. Cheong, \"Effect of increasing\ndeposition rate on the bead geometry of submerged arc welds\", J\nMater Process Technol, vol.72, pp.124-128, 1997.", "F.
Farhad Kolahan, Mehdi Heidari
openaire   +2 more sources

Double Fillet Welding of Carbon Steel T-Joint by Double Channel Shielding Gas Metal Arc Welding Method Using Metal Cored Wire

Archives of Metallurgy and Materials, 2017
Low carbon steel material and T-joints are frequently used in ship building and steel constructions. Advantages such as high deposition rates, high quality and smooth weld metals and easy automation make cored wires preferable in these industries.
Mert T., Gultekin N., Karaaslan A.
doaj   +1 more source

Prediction of Weld Bead Geometry in Plasma Arc Welding using Factorial Design Approach

Journal of Minerals and Materials Characterization and Engineering, 2011
The effect of various process parameters like welding current, torch height, welding speed and plasma gas flow rate on front melting width, back melting width and weld reinforcement of plasma arc welding on aluminum alloy is investigated by using factorial design approach. Variable polarity plasma arc welding is used for welding aluminum alloy.
K. Siva Prasad, Ch.Srinivasa Rao, D.Nageswara Rao   +2 more
openaire   +1 more source

Transient response behaviors of temperature and bead geometry to welding conditions in automatic TIG welding.

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, 1989
In this study, transient responses of thermal cycle and bead geometry to step change in welding conditions are investigated. The experiments are made on automatic TIG arc welding of mild steel and aluminum alloy plates, and the thermal cycles and bead size are examined.
Tatsukawa, Itsuro, Satonaka, Shinobu, Ishibashi, Shin, Hashimoto, Kiyoshi   +3 more
openaire   +2 more sources

Enhancement of Additive Manufacturing Processes for Thin-Walled Part Production Using Gas Metal Arc Welding (GMAW) with Wavelet Transform

Applied Sciences
Additive manufacturing encompasses technologies that produce three-dimensional computer-aided design (CAD) models through a layer-by-layer production process.
Abolfazl Foorginejad, Siamak Khatibi, Hojjat Torshizi, Sayyed Mohammad Emam, Hossein Afshari   +4 more
doaj   +1 more source

The effect of pulse welding parameters on weld geometry of boron steel using low power fibre laser

Journal of Mechanical Engineering and Sciences, 2017
Demands of tailored weld blank application on press hardened materials such as boron steel have given interest in the process parameter study of laser welding.
K.I. Yaakob, M. Ishak, S.R.A. Idris
doaj   +1 more source

Application of Imperialist Competitive Algorithm to optimization problems arising in welding process [PDF]

International Journal of Advanced Design and Manufacturing Technology, 2014
The Imperialist Competitive Algorithm (ICA) that was recently introduced has shown its good performance in optimization problems. This algorithm is inspired by competition mechanism among Imperialists and colonies, in contrast to evolutionary algorithms.
Hossein Towsyfyan, Seyed Adnan Adnani Salehi, R. Rashidian   +2 more
doaj  

Effect of process gas mixtures on weld material characteristics and bead geometry for wire-arc directed energy deposition

Journal of Advanced Joining Processes
Shielding gases are used in welding technologies to prevent contamination and protect the metallic melt from disadvantageous effects that air could cause on the weld.
Michael Unger, Sebastian Zehetner, Thomas Klein, Aurel Arnoldt, Martin Schnall   +4 more
doaj   +1 more source