Results 111 to 120 of about 19,220 (254)

Perancangan dan Pembuatan Mesin Las Elektroda Ganda untuk Meningkatkan Kualitas Hasil Las [PDF]

open access: yes, 2018
Double Metal Arc Welding Gas Electrodes (DE-GMAW) is a new welding process that separates the melting current into a base metal current and a controlled current by adding a TIG torch to a conventional GMAW system to form an alternative path that will ...
Kurniawan, R. (Rudi)   +2 more
core  

Research on Process Characteristics and Properties in Deep-Penetration Variable-Polarity Tungsten Inert Gas Welding of AA7075 Aluminum Alloy

open access: yesMetals
In this study, a new deep-penetration variable-polarity tungsten inert gas (DP-VPTIG) welding process, which is performed by a triple-frequency-modulated pulse, was employed in the welding fabrication of 8 mm AA7075 aluminum plates.
Zheng Peng   +5 more
doaj   +1 more source

NASA Contributions to Metals Joining [PDF]

open access: yes
Survey of NASA supported metals joining research having industrial ...
Heuschkel, J., Reichenecker, W. J.
core   +1 more source

Pengaruh Hasil Pengelasan Gtaw dan Smaw pada Pelat Baja Sa 516 dengan Kampuh V Tunggal terhadap Kekuatan Tarik, Kekeraan dan Struktur Mikro [PDF]

open access: yes, 2014
Mengetahui sejauh mana pengaruh hasil pengelasan manual yang berbeda yaitu pengelasan GTAW dengan heat input 1709 J/mm ( gas tungsten arc welding ) dan pengelasan SMAW dengan heat input 1636 J/mm ( shield metal arc welding ) pada pelat baja SA 516 ...
Kirono, S. (Sasi), Sanjaya, A. (Arief)
core   +1 more source

Thermal analysis of AISI 1020 low carbon steel plate agglutinated by gas tungsten arc welding technique: a computational study of weld dilution using finite element method

open access: yesJournal of Engineering and Applied Science
An important goal in a number of optimization studies is a high-quality weld joint. Thermal analysis of AISI 1020 low carbon steel plate agglutinated by gas tungsten arc welding technique was carried out using S 2021 version. With SOLIDWORKS Premium, the
Michael Okon Bassey   +2 more
doaj   +1 more source

Machine learning-based weld porosity detection using frequency analysis of arc sound in the pulsed gas tungsten arc welding process

open access: yesJournal of Advanced Joining Processes
Automatic welding equipment has replaced human welders in the nuclear industry for safety issues and uniform and high welding quality. However, automatic welding equipment cannot predict porosity defects.
Seungbeom Jang   +6 more
doaj   +1 more source

Design of a welded joint for robotic, on-orbit assembly of space trusses [PDF]

open access: yes
A preliminary design for a weldable truss joint for on-orbit assembly of large space structures is described. The joint was designed for ease of assembly, for structural efficiency, and to allow passage of fluid (for active cooling or other purposes ...
Rule, W. K., Thomas, F. P.
core   +1 more source

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