Yannick Balcaen
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View article: Optimizing Laser Weldability of Heat-Treatable and Non-Heat-Treatable Aluminum Alloys: A Comprehensive Study
Optimizing Laser Weldability of Heat-Treatable and Non-Heat-Treatable Aluminum Alloys: A Comprehensive Study Open
Laser welding, a vital process in modern industry, offers significant technical and economic benefits, including improved part quality, precision, productivity, and cost reduction. This study significantly enhances our understanding of hea…
View article: Near-Equilibrium Transformation Sequence of NiCrBSi Self-Fluxing Nickel Alloy
Near-Equilibrium Transformation Sequence of NiCrBSi Self-Fluxing Nickel Alloy Open
NiCrBSi alloys are widely used as wear-resistant deposits. However, despite several studies, there are still some remaining questions concerning their microstructure and the transformation sequence during solidification. This study investi…
View article: Advanced Numerical Modeling and Experimental Analysis of Thermal Gradients in Gleeble Compression Configuration for 2017-T4 Aluminum Alloy
Advanced Numerical Modeling and Experimental Analysis of Thermal Gradients in Gleeble Compression Configuration for 2017-T4 Aluminum Alloy Open
Gleeble thermomechanical simulators are widely utilized tools for the investigation of high-temperature deformation behavior in materials. However, temperature gradients that develop within the specimen during Gleeble compression tests hav…
View article: Laser-Powder Bed Fusion Additive Manufacturing of NiCrBSi Self-Fluxing Nickel Alloy, Material Health - Process Relationship
Laser-Powder Bed Fusion Additive Manufacturing of NiCrBSi Self-Fluxing Nickel Alloy, Material Health - Process Relationship Open
Laser Powder Bed Fusion (L-PBF) might be a promising solution for producing complex wear-resistant parts from NiCrBSi self-fluxing nickel alloys. This study investigates a large set of parameters with a baseplate heated up to 500 °C. Furth…
View article: Material Health of NiCrBSi Alloy Parts Produced via the Laser Powder Bed Fusion Process
Material Health of NiCrBSi Alloy Parts Produced via the Laser Powder Bed Fusion Process Open
Laser powder bed fusion (L-PBF) is a novel process representing a possible solution for producing resistant parts using NiCrBSi hard-facing nickel alloys with complex geometry. Process parameters for more common alloys are explored with a …
View article: Damage Mechanism of Trivalent Chromium Coatings under Tensile Stress
Damage Mechanism of Trivalent Chromium Coatings under Tensile Stress Open
Due to new environmental regulations, hexavalent chromium electrolytes can no longer be used for thick, hard chromium plating. In response to this industrial and environmental challenge, trivalent chromium electrolyte plating has been deve…
View article: An Estimation of Local Residual Stresses in Amorphous and Crystallized Trivalent Chromium Coatings
An Estimation of Local Residual Stresses in Amorphous and Crystallized Trivalent Chromium Coatings Open
Hard chromium coatings have demonstrated their performance for several decades, particularly for their wear and corrosion resistance properties. However, the traditional process using chromium trioxide (CrO3) is very toxic and is intended …
View article: Cold Spraying of Thick Biomimetic and Stoichiometric Apatite Coatings for Orthopaedic Implants
Cold Spraying of Thick Biomimetic and Stoichiometric Apatite Coatings for Orthopaedic Implants Open
Ceramic coatings have a long history in the orthopaedic field, with plasma sprayed coatings of hydroxyapatite as leading standard in the manufacturing process; however, these coatings can contain secondary phases resulting from the decompo…
View article: Influence of deposit and process parameters on microstructure and mechanical properties of Ti6Al4V obtained by DED-W (PAW)
Influence of deposit and process parameters on microstructure and mechanical properties of Ti6Al4V obtained by DED-W (PAW) Open
Direct energy deposition with a wire feedstock (DED-W) of Ti6Al4V is a promising solution to produce large structures with a better buy-to-fly ratio than conventional manufacturing techniques. This study investigates the potential of a pla…
View article: Laser Welding of AISI 316L Stainless Steel Produced by Additive Manufacturing or by Conventional Processes
Laser Welding of AISI 316L Stainless Steel Produced by Additive Manufacturing or by Conventional Processes Open
Among all the additive manufacturing techniques, Laser Powder Bed Fusion (LBPF), also called Selective Laser Melting (SLM), is the most common technique due to its high capability of building complex parts with generally improved mechanica…
View article: Additive Manufacturing of Ti6Al4V with Wire Laser Metal Deposition Process
Additive Manufacturing of Ti6Al4V with Wire Laser Metal Deposition Process Open
Additive manufacturing (AM) using wire as an input material is currently in full swing, with very strong growth prospects thanks to the possibility of creating large parts, with high deposition rates, but also a low investment cost compare…
View article: Study of the Impact of the Synergic Line and the Strategy of Conception on Ti-6Al-4V Wire Arc Additive Manufacturing Process (WAAM-CMT)
Study of the Impact of the Synergic Line and the Strategy of Conception on Ti-6Al-4V Wire Arc Additive Manufacturing Process (WAAM-CMT) Open
In additive manufacturing, technologies based on the fusion of a metallic wire using an electric arc represent an interesting alternative to current manufacturing processes, particularly for large metal parts, thanks to higher deposition r…
View article: Autogenous Yb:YAG laser disk welding domain of AA6061-T4 aluminium alloy
Autogenous Yb:YAG laser disk welding domain of AA6061-T4 aluminium alloy Open
Abstract— The aerospace industry is developing lighter, stronger and more heat- and corrosion-resistant components to reduce manufacturing costs and fuel consumption. To achieve this goal, laser welding represents a real opportunity to rep…
View article: Study of Arc-wire and Laser-wire processes for the realization of Ti-6Al-4V alloy parts
Study of Arc-wire and Laser-wire processes for the realization of Ti-6Al-4V alloy parts Open
Arc-wire or laser-wire additive manufacturing seems promising because it allows large parts to be produced with significant deposition rates (ten times higher than powder bed additive manufacturing), for a lower investment cost. These addi…
View article: Yb: YAG laser welding of Ti6Al4V sheet using conventional and annular power density distribution: microstructure mechanical properties relationship
Yb: YAG laser welding of Ti6Al4V sheet using conventional and annular power density distribution: microstructure mechanical properties relationship Open
Development of high power laser beams with increasing beam quality and decreasing purchase cost lead to a strong development of laser welding techniques. Narrow weld beads, high welding speed, and low heat input are the main advantages of …
View article: Experimental investigations for a postweld heat treatment on Ti-6Al-4V titanium welds with a defocused laser beam
Experimental investigations for a postweld heat treatment on Ti-6Al-4V titanium welds with a defocused laser beam Open
The purpose of this study is to apply a local heat treatment (LHT), in-situ, on the weld bead, using a defocused Yb: YAG laser beam on a continuous regime, in order to reduce residual stresses and decompose the brittle a’ martensite, into …
View article: Yb: YAG Laser Welding of Aeronautical Alloys
Yb: YAG Laser Welding of Aeronautical Alloys Open
Interest in the use of laser technology is growing in the aeronautical sector. The implementation of new Yb: YAG solid laser sources and new optical generations (dynamic focal length; 2in1 fiber: Fiber core and ring core) offers advantages…
View article: Laser Welding of Titanium Alloys with an Yb: YAG Disk Source
Laser Welding of Titanium Alloys with an Yb: YAG Disk Source Open
In this paper, the laser welding of thin titanium sheet in a butt joint configuration are investigated using a continuous Yb: YAG disk source, with high beam quality and a particular fiber configuration, enable to provide a broad range of …
View article: Mechanical adhesion of SiO<sub>2</sub> thin films onto polymeric substrates
Mechanical adhesion of SiO<sub>2</sub> thin films onto polymeric substrates Open
Quantification of adhesion between a 200 nm silicon dioxide layer and a 4.5 μm thick polymeric coating was performed by analysing the SiO 2 buckle morphologies generated under compressive stress. Impacts of mechanical properties of SiO 2 l…
View article: Automation of a creep-testing machine for research activities
Automation of a creep-testing machine for research activities Open
This paper deals with automation of a creep-testing machine mainly dedicated to research activities. The requirements linked to the machine were established by the material science researchers. These requirements were then addressed to mec…