Techniques to improveweld penetration in TIG welding (A review)

AK Singh, V Dey, RN Rai - Materials Today: Proceedings, 2017 - Elsevier
Abstract Tungsten Inert Gas (TIG) welding is also known as Gas Tungsten Arc Welding
(GTAW) process which is an arc based welding process that uses the arc between a non …

Advances and limitations of increasing solar irradiance for concentrating photovoltaics thermal system

M Alzahrani, K Shanks, TK Mallick - Renewable and Sustainable Energy …, 2021 - Elsevier
Concentrating photovoltaic-thermal (CPVT) technology harnesses solar energy by
increasing the solar density upon cells using optical concentrators. CPVT systems are the …

Numerical analysis of heat transfer and fluid flow in multilayer deposition of PAW-based wire and arc additive manufacturing

X Bai, P Colegrove, J Ding, X Zhou, C Diao… - International Journal of …, 2018 - Elsevier
A three-dimensional numerical model has been developed to investigate the fluid flow and
heat transfer behaviors in multilayer deposition of plasma arc welding (PAW) based wire …

Three-dimensional numerical simulation of arc and metal transport in arc welding based additive manufacturing

X Zhou, H Zhang, G Wang, X Bai - International Journal of Heat and Mass …, 2016 - Elsevier
In arc welding based additive manufacturing, the surface topographies of deposited layer
are more complex than conventional welding, therefore, the distribution of the …

Investigation of humping defect in high speed gas tungsten arc welding by numerical modelling

X Meng, G Qin, Z Zou - Materials & Design, 2016 - Elsevier
Humping defect which commonly occurs in high current and high speed welding seriously
deteriorates weld property. The periodical humping formation in high speed GTAW is …

Friction-induced phase transformations and evolution of microstructure of austenitic stainless steel observed by operando synchrotron X-ray diffraction

K Emurlaev, I Bataev, I Ivanov, D Lazurenko, V Burov… - Acta Materialia, 2022 - Elsevier
A materials' structure and its evolution due to friction play a crucial role in understanding
wear and related processes. So far, structural changes caused by friction are mostly studied …

Special features of double pulsed gas metal arc welding

LL Wang, HL Wei, JX Xue, T DebRoy - Journal of Materials Processing …, 2018 - Elsevier
Since the pulsation of heat input provides a flexible and effective way to control temporal
variation of weld pool geometry, cooling rate and solidification parameters, double pulsed …

Analysis of surface tension driven flow and solidification behavior in laser linear welding of stainless steel

Z Li, G Yu, X He, S Li, C Tian, B Dong - Optics & Laser Technology, 2020 - Elsevier
A transient three-dimensional thermal-fluid-metallurgy model was proposed to study the
surface tension driven flow and welding metallurgical behavior during laser linear welding of …

The effects of process parameters on melt-pool oscillatory behaviour in gas tungsten arc welding

A Ebrahimi, CR Kleijn, MJM Hermans… - Journal of Physics D …, 2021 - iopscience.iop.org
Internal flow behaviour and melt-pool surface oscillations during arc welding are complex
and not yet fully understood. In the present work, high-fidelity numerical simulations are …

A pathway to microstructural refinement through double pulsed gas metal arc welding

LL Wang, HL Wei, JX Xue, T DebRoy - Scripta Materialia, 2017 - Elsevier
In fusion welding, variations of cooling rate and microstructure are commonly achieved by
changing heat input. Here we show that the cooling rates can be adjusted and …