S Allam, M Åbom - 2011 - asmedigitalcollection.asme.org
Microperforated plate (MPP) absorbers are perforated plates with holes typically in the submillimeter range and perforation ratios around 1%. The values are typical for …
Mechanisms for the formation of bead defects, such as humping, gouging, rippling, and other unexpected surface patterns, encountered in welding or drilling are interpreted and …
R Rai, P Burgardt, JO Milewski… - Journal of Physics D …, 2008 - iopscience.iop.org
Electron beam welding (EBW) of two important engineering alloys, Ti–6Al–4V and 21Cr–6Ni– 9Mn, was studied experimentally and theoretically. The temperatures at several monitoring …
A mathematical model is proposed to evaluate the effect of the electromagnetic force field, the velocity field and the temperature field in a gas metal arc (GMA) weld pool. The unsteady …
R Rai, TA Palmer, JW Elmer, T Debroy - Welding Journal, 2009 - researchgate.net
ABSTRACT A numerical model for three-dimensional heat transfer and fluid flow in keyhole mode electron beam welding was developed and applied to 304L stainless steel welds …
Electron beam welding (EBW) process involves intricate physical phenomena. However, this fusion welding technique is one of the significant process due to high power density and …
YF Hsu, B Rubinsky - International Journal of Heat and Mass Transfer, 1988 - Elsevier
This paper presents a two-dimensional, quasi-stationary finite element numerical model to study the fluid flow and the heat transfer phenomena which occur during constant travel …
B Huang, X Chen, S Pang, R Hu - International Journal of Heat and Mass …, 2017 - Elsevier
In electron beam welding (EBW), the coupling dynamics between the keyhole and the weld pool play significant roles in joint quality, yet the mechanisms of these dynamics have not …
PF Mendez, Y Lu, Y Wang - Journal of Heat …, 2018 - asmedigitalcollection.asme.org
This paper presents a systematic scaling analysis of the point heat source in steady-state on a semi-infinite solid. It is shown that all characteristic values related to an isotherm can be …