Heat transfer and fluid flow during keyhole mode laser welding of tantalum, Ti–6Al–4V, 304L stainless steel and vanadium
By R. Rai, J. Elmer, T. Palmer, T. DebRoy. 2007
427 citations recorded by the source corpus.
Subfields: Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/203bf083548f30c19d3ea6d8a673d6a07e0c8933
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In Mechanical Engineering
Citations in the corpus
- Additive manufacturing of metallic components – Process, structure and properties (2018, background): “In keyhole mode operation, which is often desirable in welding, the beam penetrates deeply into the metal substrate with minimal heat input to the part [295].”
- Keyhole formation and thermal fluid flow-induced porosity during laser fusion welding in titanium alloys: Experimental and modelling (2017, methodology): “Computational fluid dynamics (CFD) methods have recently been discussed within the literature [15-20] and applied to beam-welding methods such as laser welding, including the weld phenomena observed in experimental welds such as weld crown and toe formation, defect formation and the keyhole vapour p”
- Prediction and measurement of residual stresses and distortions in fibre laser welded Ti-6Al-4V considering phase transformation (2017, background): “The latent heat effect associated with the release or absorption of energy upon solidification or melting as a result of phase transformation was considered and so the latent heat of fusion (Δhfus) was chosen to be equal to 286 kJ/kg and the latent heat of evaporation (Δhevap) equal to 9830 kJ/kg [7”
- Laser Welding Process – A Review of Keyhole Welding Modelling (2015, background): “…it is also assumed that solid and liquid metal phases have the same thermodynamic properties, as in Lee et al. (2002), Cho and Na (2006), Roy et al. (2006), Rai et al. (2007), Amara and Fabbro (2008), Geiger et al. (2009), Koch et al. (2010), Pang et al. (2011), and Otto et al. (2011), (2012).”