Services - Fraunhofer WKI

Preparation and testing of classical, structure-oriented and 3D-moldable wood materials on a semi-industrial scale
Mechanical and physical crushing, thermomechanical, chemo-thermo-mechanical and chemical processing of raw materials containing lignocellulose
Provision of wood particles (wood chips, shavings, strands, fibers) and wood veneers for industrial trials
Peeling tests for the production of wood veneers Provision of wood particles (wood chips, shavings, strands, fibers) for industrial trials
Suitability of adhesives, curing agents and additives for various wood-based materials
Optimization of the component mixture, distribution and orientation
Mechanical web formation, with or without particle orientation
Production of particle boards, strand boards, fiberboards (MDF with blow-line or blender gluing), Scrimber, veneered plywood, laminated veneer lumber (LVL)
Production of organic and inorganic bound wood-based materials
Production of multi-layer board materials
Production of thermoset and thermoplastic molded parts
Production of wood foams or foams from other lignocellulosic materials
Process engineering tests for the improvement of material properties
Wet chemical analyses of adhesives for wood-based materials (e.g. molar ratio, melamine content, viscosity)
Consultancy and assessments

Development of WPC formulations
Compound production with natural-fiber filler-material content of up to 70 % and introduction of widely-varying fillers and additives
Production of test specimens e.g. for material characterization
Production of various extrusion profiles
Production of pressed WPC boardsMechanical and hygric properties of wood-based materials and WPC
Development of WPC formulae
Thermal analysis of WPC (DMA, TGA and other methods upon request)

Testing of optical properties: microscopy, spectroscopy, color and gloss testing
Suitability of adhesives and matrix components as well as auxiliary and active substances for composite materials
Determination of the mechanical, thermal and hygric properties of wood and other composite materials
Testing of aging behavior (outdoor exposure and accelerated weathering methods)
Examination of flame resistance
Thermal analysis (e.g. DSC, TGA)

Infrared thermography for the detection of defects (cracks, delamination)
Image processing, e.g. for position detection of strands and for particle size analysis
Spatial resolution near-infrared spectroscopy for the detection of impurities, contamination and adhesive concentrations and for the sorting of material flows
3D measurement of moving surfaces in accordance with the laser light sheet approach
Digital correlation techniques for the determination of structural material inhomogeneity
Analysis of thermographic image sequences
Interactive analysis of hyperspectral images
Component distribution and component orientation in composite materials
Statistical analysis of particle sizes and particle size distributions

Detection of performance-influencing vortex structures on rotating blades through passive ground-based thermography
Computer tomography and thermography measurements on rotor blades in the laboratory
Production-integrated quality control through active thermography
Detection of defects on assembled rotor blades using a working platform and active thermography

Technology for Wood and Natural Fiber-Based Materials