Results 11 to 20 of about 14,585,927 (234)

Real time evaluation of weld quality in narrow groove pipe welding [PDF]

open access: yes, 2012
With the growth in pipeline installations all over the world, there is a great demand for highly productive and robust welding systems. Mechanised pipe welding has been developed over the last 50 years and the present focus is towards development of ...
Marmelo, Patricia C.
core   +7 more sources

Mechanical characterisation and modelling of resistance welding [PDF]

open access: yes, 2011
Resistance welding is used very extensively in industry for a wide range of applications. Knowledge and measurement of the dynamic characteristics of resistance welding equipment is important in the design of the equipment and in optimization of ...
Van Rymenant, Patrick
core   +7 more sources

Welding of X100 linepipe [PDF]

open access: yes, 2004
The benefits of high strength steels in terms of reduced material volume due to enhanced mechanical performance have been known for some time. Large diameter transmission linepipe steels of minimum 690MPa ('XIOO') yield strength have been developed ...
Hudson, Mark G.
core   +7 more sources

Welding process impact on residual stress and distortion [PDF]

open access: yes, 2009
Residual stress and distortion continue to be important issues in shipbuilding and are still subject to large amounts of research. This paper demonstrates how the type of welding process influences the amount of distortion.
Colegrove, Paul A.   +10 more
core   +1 more source

Study of fundamental parameters in hybrid laser welding [PDF]

open access: yes, 2011
This thesis undertakes a study of laser welding in terms of basic laser material interaction parameters. This includes power density, interaction time and specific point energy.
Suder, Wojciech
core   +7 more sources

OPTIMIZATION OF THE RESISTANCE SPOT WELDING PROCESS OF SECC-AF AND SGCC GALVANIZED STEEL SHEET USING THE TAGUCHI METHOD

open access: yesJurnal Ilmiah SINERGI, 2021
This article present the optimization work describes out to joint the dissimilar galvanized steel of SECC-AF (JIS G 3313) and SGCC (JIS G 3302) material.
Sukarman Sukarman   +4 more
doaj   +1 more source

Melt Pool and Keyhole Behavior Analysis for Deep Penetration Laser Welding [PDF]

open access: yes, 2010
One usually defines the main characteristic of the welding performances of a given laser system by its “penetration curve” that corresponds to the welding depth as a function of the welding speed Vw for a given set of operating parameters.
R Fabbro, Fabbro, R, FABBRO, Rémy
core   +1 more source

Time frequency feature extraction of the arc energy for quality detection of the aluminum alloy double pulse MIG welding

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2020
In aluminum alloy double pulse metal inert-gas (DPMIG) welding, the outputting arc current waveform is distorted under the influence of various factors such as harmonics and impact loads. The arc distortion of aluminum alloy DPMIG welding affects the arc
Kuanfang HE   +6 more
doaj   +1 more source

Real-Time Penetration Recognition Based on Voltage Signal in K-TIG Welding

open access: yesApplied Sciences, 2023
This paper focuses on discerning the melting state of keyhole tungsten inert gas (K-TIG) welding, a promising welding technique still considered a novelty.
Huizhong Bai   +4 more
doaj   +1 more source

Research into the reliability of the overlap joint of bituminous heat welded roofing materials / Prilydomųjų stogo medžiagų lakštų sandūros patikimumo tyrimas

open access: yesMokslas: Lietuvos Ateitis, 2012
The conducted analysis has revealed that the most common reason of leaks in bituminous roofs is caused by a lack of adhesion between two nearby sheets of roof cover.
Darius Balčiūnas
doaj   +1 more source

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