A5065204916- Additive Manufacturing Materials and Processes
- Laser Material Processing Techniques
- Laser-induced spectroscopy and plasma
- Laser and Thermal Forming Techniques
- High Entropy Alloys Studies
- Advanced Measurement and Metrology Techniques
- Metallurgy and Material Forming
- Diamond and Carbon-based Materials Research
- Welding Techniques and Residual Stresses
- Metal Alloys Wear and Properties
- Mechanical Behavior of Composites
- Metal Forming Simulation Techniques
- Advanced Surface Polishing Techniques
- Surface Treatment and Residual Stress
- Thermography and Photoacoustic Techniques
- Adhesion, Friction, and Surface Interactions
- Optical measurement and interference techniques
- Advanced Sensor Technologies Research
- Advanced Welding Techniques Analysis
- Laser-Ablation Synthesis of Nanoparticles
- Additive Manufacturing and 3D Printing Technologies
- Calibration and Measurement Techniques
- Flame retardant materials and properties
- Tribology and Lubrication Engineering
- Advanced machining processes and optimization
Tekniker
2014-2025
Fundación Teknon
2022
A two-step method for the joining of opaque polymer to metal is presented. Firstly, structured locally on a micro-scale level, ensure adhesion with polymeric counterpart. In second step, opposite side micro-structured irradiated by means laser source. The heat thereby created conducted and results in melting at interface. adheres flows into previously engraved structures, creating an additional mechanical interlock between two materials. welding parameters are fine-tuned assistance finite...
<title>Abstract</title> This contribution investigates the emissivity of Inconel 718 in context laser metal deposition, focusing on impact surface finish variations resultant from additive manufacturing techniques and challenges it poses when monitoring process via thermal imaging. Our methodology involves examining samples produced through with a particular focus Mid-Wave Infrared Long-Wave spectral ranges, common industrial-grade cameras. We perform directional measurements 100 °C to 900...
The present work is a first approach in order to achieve thermo-sensitive and waterproof polyurethane fibers useful the textile industry. For this, two formulations with glass transition temperatures (Tg) close body temperature have been synthetized characterized by several techniques such as Thermogravimetric Analysis (TGA), Differential Scanning Calorimetry (DSC), Dynamic-Mechanical (DMA) Thermo-mechanical analysis (TMA). In this manner their thermal shape memory behavior were determined....
The effect of continuous wave (CW) Nd:YAG laser remelting on the surface topography two different nickel based superalloys is studied in this work. A bidirectional strategy with small overlapping between adjacent tracks, together powers around 150W and speeds over 4m/min found to perform best. most relevant 1D statistical parameters are obtained via contact profilometry complemented by confocal microscopy measurements. results show a notable improvement about 80% Ra parameter, which reduced...
Direct thermal laser joining of plastic and metallic materials is nowadays arising as an alternative technology for the generation hybrid joints. The focus this study on analyzing mechanical behavior failure mechanisms three polymer-metal configurations: lap, T Arcan joint configurations. metal was locally structured by pulsed radiation producing micro-patterns to improve adhesion polymeric part. Two were considered: low high distance between pattern centers. Secondly, opposite side...
This paper reports the development of an original design chip breaker in a metal-matrix polycrystalline diamond (MMPCD) insert brazed into milling tool. The research entailed finite element (FE) design, laser simulation, fabrication, and machining tests. FE analysis was performed to evaluate effectiveness different designs breaker, under specified conditions when aluminum alloy (Al A356). Then, ablation performance MMPCD workpiece characterized by ablating single trenches conditions....
The article deals with the numerical modeling of hot metal gas forming (HMGF) ferritic stainless steel X2CrTiNb18 conductive heating using a demonstration part. In this context, in particular, locally existing strains are considered under varying local temperature and strain rate conditions. evaluation simulation results is finally carried out on basis measured thinning profiles experimental parts. basic curve character correctly reflected results. However, there component areas very good...
Abstract Additive manufacturing is an appealing solution to produce geometrically complex parts, difficult manufacture using traditional technologies. The extreme process conditions, in particular the high temperature, interactions and couplings, rich metallurgical transformations that this entails, are at origin of numerous defects. Therefore, numerical simulation gaining interest both scientific industrial communities. However, simulating demands impressive computational resources,...
Fluoropolymers such as PFA are used coatings for the protection of metal substrates due to their high chemical inertia and non-stick properties. These "wear tear" they degrade, at which point should be removed a new application. The removal these types coating by laser is interest process's flexibility, precision, ease automation, environmental sustainability. efficiency procedure was shown with use source in pulsed Nd:YAG continuous mode fiber (Yb). rates stripping (cm2/min) fluence (J/cm2)...
The effect of a laser tempering process, subsequent to hardening treatment, on the microstructure, microhardness, structural composition phases and residual stresses 42CrMo4 steel has been studied. process carried out using 10 kW diode galvanometer scanner head. Results show that after can be complementary effective method adjust, through selection appropriate parameters, desired degree hardness tensional state processed area, attending specific requirements demanded in component.
Exhaust gas components of automobiles are often produced in ferritic stainless steel 1.4509 due to the low thermal expansion coefficient and material price. Until now, with complex geometries have been series by means multi-stage hydroforming at room temperature intermediate annealing operations. The application a single-stage hot-forming process, also referred as hot metal forming (HMGF), offers great potential significantly reduce production costs such components. article describes novel...
A Correction to this paper has been published: 10.1007/s12289-021-01638-4