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Wits, Wessel
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Topics
Publications (15/15 displayed)
- 2023Fatigue prediction and life assessment method for metal laser powder bed fusion partscitations
- 2021Graded structures by multi-material mixing in laser powder bed fusioncitations
- 2020Porous materials additively manufactured at low energycitations
- 2020Pulsed mode selective laser melting of porous structures: Structural and thermophysical characterizationcitations
- 2019Experimental investigation of a flat-plate closed-loop pulsating heat pipecitations
- 2018Method to determine thermoelastic material properties of constituent and copper-patterned layers of multilayer printed circuit boardscitations
- 2017An investigation of porous structure characteristics of heat pipes made by additive manufacturingcitations
- 2017Multiscale modelling of agglomeration
- 2017An experimental study towards the practical application of closed-loop flat-plate pulsating heat pipescitations
- 2015Investigation on the Accuracy of CT Porosity Analysis of Additive Manufactured Metallic Parts
- 2015Single scan vector prediction in selective laser meltingcitations
- 2015Laser beam welding of titanium additive manufactured partscitations
- 2014System for fast and accurate filling of a two-phase cooling device, notably a heat pipe, adapted for use in an automated process
- 2013System for fast and accurate filling of a two-phase cooling device, notably a heat pipe, adapted for use in an automated process
- 2010Inkjet Printing of 3D Metallic Silver Complex Microstructures
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article
Laser beam welding of titanium additive manufactured parts
Abstract
In this paper the joinability of titanium Additive Manufactured (AM) parts is explored. Keyhole welding, using a pulsed laser beam, of conventionally produced parts is compared to AM parts. Metal AM parts are notorious for having remaining porosities and other non-isotropic properties due to the layered manufacturing process. This study shows that due to these deficiencies more energy per unit weld length is required to obtain a similar keyhole geometry for titanium AM parts. It is also demonstrated that, with adjusted laser process parameters, good quality welds for aerospace applications in terms of pressure resistance and leak tightness are achievable.