Wilhelm Meiners
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View article: Application of multimodal process monitoring for enhanced quality control and defect detection in laser-based directed energy deposition
Application of multimodal process monitoring for enhanced quality control and defect detection in laser-based directed energy deposition Open
Laser-based directed energy deposition (also known as laser material deposition, LMD) is an additive manufacturing (AM) process that uses laser radiation to create a melt pool on a component's surface while feeding filler material through …
View article: Surface modification by combining extreme high-speed laser material deposition (EHLA) with simultaneous roller burnishing
Surface modification by combining extreme high-speed laser material deposition (EHLA) with simultaneous roller burnishing Open
This study investigates the fundamentals of the simultaneous coating and roller burnishing process as a novel approach for improving the surface and subsurface properties of EHLA-deposited material. The combination of EHLA and roller burni…
View article: Bayesian optimization for extreme high-speed laser material deposition
Bayesian optimization for extreme high-speed laser material deposition Open
Extreme high-speed laser material deposition, also known by the acronym EHLA, enables metallic coatings of different thicknesses at deposition speeds of up to several hundred meters per minute and deposition rates of several kilograms per …
View article: NightHawk: A Low-Cost, Nighttime Light Wildfire Observation Platform and Its Radiometric Calibration
NightHawk: A Low-Cost, Nighttime Light Wildfire Observation Platform and Its Radiometric Calibration Open
We present a low-cost prototype of a visible and near-infrared (VIS-NIR) remote sensing platform, optimized to detect and characterize natural flaming fire fronts from airborne nighttime light (NTL) observations, and its radiometric calibr…
View article: AI-based spatially resolved parameter prediction in laser metal deposition for increased process stability
AI-based spatially resolved parameter prediction in laser metal deposition for increased process stability Open
In the additive manufacturing of components using powder-based laser metal deposition (LMD), the heating of the volume during buildup is a decisive factor for process stability and contour accuracy. If the process parameters remain constan…
View article: Process development and heat flow analysis for thin walls made of aluminum using extreme high-speed laser material deposition (EHLA3D)
Process development and heat flow analysis for thin walls made of aluminum using extreme high-speed laser material deposition (EHLA3D) Open
Extreme high-speed laser material deposition (EHLA) is an adapted variant of directed energy deposition (DED-LB-P/M), also known as laser material deposition, and has been developed for the efficient manufacturing of thin layers with high …
View article: Fundamentals of simultaneous machining and coating (SMaC) through combination of extreme high-speed laser material deposition (EHLA) and turning
Fundamentals of simultaneous machining and coating (SMaC) through combination of extreme high-speed laser material deposition (EHLA) and turning Open
Simultaneous machining and coating (SMaC) is a novel hybrid technology developed by the Fraunhofer Institute for Laser Technology ILT that combines additive manufacturing through extreme high-speed laser material deposition (EHLA) with a s…
View article: Development of a solvent-free polylactide/calcium carbonate composite for selective laser sintering of bone tissue engineering scaffolds
Development of a solvent-free polylactide/calcium carbonate composite for selective laser sintering of bone tissue engineering scaffolds Open
Since large bone defects cannot be healed by the body itself, continuous effort is put into the development of 3D scaffolds for bone tissue engineering. One method to fabricate such scaffolds is selective laser sintering (SLS). However, th…
View article: Additive manufacturing of magnesium alloys
Additive manufacturing of magnesium alloys Open
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View article: Selective laser melting of aluminum die-cast alloy—Correlations between process parameters, solidification conditions, and resulting mechanical properties
Selective laser melting of aluminum die-cast alloy—Correlations between process parameters, solidification conditions, and resulting mechanical properties Open
The additive production technology selective laser melting (SLM) is used for direct fabrication of metal-based functional components. SLM is one of the powder-bed based AM technologies. SLM is well established in serial production for dent…