Results 11 to 20 of about 1,077,007 (312)

Influence of the CO2 Content in Shielding Gas on the Temperature of the Shielding Gas Nozzle during GMAW Welding

open access: yesJournal of Manufacturing and Materials Processing, 2020
Gas metal arc welding torches are commonly chosen based on their current-carrying capacity. It is known that the current-carrying capacity of welding torches under CO2 is usually higher than under argon dominated shielding gases. In this publication, the
Martin Lohse   +3 more
doaj   +1 more source

Optimization of GMAW Process Parameters in Ultra-High-Strength Steel Based on Prediction

open access: yesMetals, 2023
Ultra-high-strength steel (UHSS) is a complex and sophisticated material that allows the development of products with reduced weight but increased strength and can assist, for example, in the automotive industry, saving fuel in vehicles and decreasing ...
Alnecino Netto   +2 more
doaj   +1 more source

Analisa Struktur Mikro dan Kekuatan Bending Sambungan Las TIG dengan Perbedaan Kuat Arus Listrik pada Logam Tak Sejenis Aluminium Paduan 5052-Baja Galvanis dengan Filler Al-Si 4043

open access: yesRekayasa Mesin, 2020
This study aims to determine the various effect of heat input due to varied electric current on microstructure of the weld joints and the bending strength of 2 dissimilar metals (aluminum alloy 5052 and galvanized steel) with Al-Si 4043 as filler.
Redi Bintarto   +5 more
doaj   +1 more source

Effect of welding heat input on microstructure and properties of TC4 titanium alloy ultra-narrow gap welded joint by laser welding with filler wire

open access: yesMaterials Research Express, 2021
A 10 mm narrow gap TC4 titanium alloy welded joint by laser welding with filler wire was obtained by different welding heat inputs. The microstructures of the welded joint were analyzed by OM, SEM, XRD and EBSD.
Naiwen Fang   +8 more
doaj   +1 more source

Weld Quality Analysis of High-Hardness Armored Steel in Pulsed Gas Metal Arc Welding

open access: yesMetals, 2023
As improving fuel economy and performance through weight reduction in vehicles are recognized as important tasks, the defense industry is researching ways to reduce the weight of armor plates for combat vehicles and increase bulletproof performance and ...
Hwi Jun Son   +5 more
doaj   +1 more source

The Influence of Heat Input on the Surface Quality of Wire and Arc Additive Manufacturing

open access: yesApplied Sciences, 2021
Wire and arc additive manufacturing has unique process characteristics, which make it have great potential in many fields, but the large amount of heat input brought by this feature limits its practical application.
Jiayi Zeng, Wenzhong Nie, Xiaoxuan Li
doaj   +1 more source

Imperfections and Modelling of the Weld Bead Profile of Laser Butt Joints in HSLA Steel Thin Plate

open access: yesMetals, 2021
In many applications that use high strength steels, structural integrity depends greatly on weld quality. Imperfections and the weld bead geometry are influencing factors on mechanical properties of the welded joints but, especially in the fatigue ...
Patricio G. Riofrío   +2 more
doaj   +1 more source

Effect of laser-welding parameters on the heat input and weld-bead profile [PDF]

open access: yes, 2005
Laser butt-welding of medium carbon steel was investigated using CW 1.5 kW CO2 laser. The effect of laser power (1.2 - 1.43 kW), welding speed (30 - 70 cm/min) and focal point position (-2.5 - 0 mm) on the heat input and the weld-bead geometry (i.e ...
A.G. Olabi   +13 more
core   +1 more source

On Friction, Heat Input, and Material Flow Initiation during Friction Stir Welding: Tool and Process Optimization

open access: yesJournal of Manufacturing and Materials Processing, 2023
The Friction Stir Welding (FSW) process depends entirely upon mechanical contact between the tool and the workpiece. As a result of this, all process phenomena and process outcomes such as weld geometry and mechanical properties are governed by FSW’s ...
Max Hossfeld
doaj   +1 more source

Mechanism for Determination of G-factors for Solid Freeform Fabrication Techniques Based on Large Heat Input [PDF]

open access: yes, 2005
A major class of Solid Freeform Fabrication (SFF) methods for metal deposition are based on large heat input. The geometry and microstructural properties of the deposition depend primarily on the heat input and the subsequent distribution at the ...
Dwivedi, Rajeev   +2 more
core   +1 more source

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