Never-ending evolution of market expectations leads to new solutions in quality control. Nowadays, most cases control geometry industry is carried out using devices that apply coordinate measuring technique. Since couple years metrological computed tomography X-ray 3D has became on a market. It the latest field technique what makes many aspects its accuracy and possible applications still open. The paper presents information functioning measurement X -ray 3D. Results comparative tests...

The research work carried out so far indicates the ever wider possibilities and demand for shaping composite products in rotational molding technology. This trend was main reason to use waste-based filler from metallurgical process as a manufacturing polylactide (PLA)-based remolded composites. Copper slag (CS) introduced single-step processing method PLA matrix at 5, 10, 20, 35 wt%. rotomolded composites with different content were subjected in-depth structural analysis discussed...

Wire arc additive manufacturing (WAAM) is renowned for its high deposition rate, enabling the production of large parts. However, process has challenges such as porosity formation, residual stresses, and cracking when aluminum This study focuses on ana-lyzing AA5356 walls manufactured using WAAM with Fronius cold metal transfer system (Wels, Austria). The were machined to obtain specimens tensile testing. used computed tomography test analyze specimens' potential relation strength....

One of the most important aspects shaping antibacterial properties nano-mixed cementitious composites is proper dispersion nanoparticles (NPs) to ensure their sustainable application. Therefore, in presented article special attention was paid method mixing zinc oxide NPs with cement matrix. A two-stage modification matrix used; first stage, were introduced directly dry form into binder or mixed mechanically, ultrasound and combined mechanically ultrasound. Then, second a superplasticizer...

Abstract Selective laser melting technology makes it possible to produce 3D cellular lattice structures with controlled porosity. The paper reflects machining and examination of predefined distribution, shape size the pores. In study, porous Ti6Al4V were investigated. tests carried out using spatial architecture Schwarz D TPMS geometry a total porosity 60% 80% various pore sizes. Dimensional accuracy additively manufactured was measured in relation model. Geometry final structure differed...

CuO nanoparticles (NPs) were added to cement matrices in quantities of 0.25, 0.50 and 1.00 wt% inhibit the growth Gram-positive (Bacillus cereus, Staphylococcus aureus) Gram-negative (Pseudomonas aeruginosa, Escherichia coli) bacteria. It was shown that NPs, all tested concentrations, improved antibacterial properties matrix. Nevertheless, best mechanical, structural durability obtained for composites doped with NPs at 0.25 wt%. Larger amounts caused a decrease parameters relative reference...

Abstract The paper presents an analysis of influence ambient temperature changes on the values parameters in topography measurements with use different profilometry techniques. In order to check this, a series was performed. Two multiprofilometry instruments were used - contact profilometer, further equipped interferometric transducer, and optical one confocal probe. Measurements performed first-class flat glass A-type roughness standard under conditions, simultaneous registration...

Carbon-modified titanium(IV) oxide with improved photocatalytic properties under visible light was used as an admixture for cement composites. For this purpose, two commercially available oxides differing in crystallographic form, and synthesized the experiment from titanyl sulfate hydrate isopropoxide were starting materials, ethylene glycol carbon source. The effect of modification on surface titania to increase BET area, which resulted a greater tendency TiO2 nanoparticles aggregate...

In this work, powder metallurgy was used in order to produce self-lubricating composite materials. The NiCrSiB alloy as a matrix of the sinters and 20 wt. % CaF2 solid lubricant were used. subjected wear tests using pin-on-disc method at four different temperatures (room temperature (RT), 200, 400, 600 °C). coefficients friction pairs determined, research on their mechanism carried out. For purpose, techniques such Light Microscopy (LM), Scanning Electron (SEM), Energy Dispersive...

Abstract This study explores a quantitative analysis of multiscale geometric characterization laser melted parts made Ti-6Al-4V to establish functional relations between characterisations and formation, or process, parameters. A focus is here on curvature as local shape which, unlike conventional texture characterizations, does not require datum. Surfaces were measured using microCT scanner optical stylus methods, can measure surfaces re-entrant features. Laser power scanning speed...

<title>Abstract</title> Glass substrates are highly valued for their transparency, stability and biocompatibility, making them essential in optics, photonics, chemistry biomedical devices. Femtosecond lasers enable precise glass ablation due to the capability deliver pulses with high energy density leading nonlinear absorption. This study examined how parameters like pulse energy, scan line repetition rate affect surface roughness of 3D borosilicate structures. Analysis by means AFM, µCT SEM...

Abstract Construction of metallic implants with a porous structure that mimics the biomechanical properties bone is one challenges orthopedic regenerative medicine. The selective laser sintering technique (SLS) allows production complex geometries based on three-dimensional model, which offers prospect preparing metal implants, in stiffness and porosity can be precisely adjusted to individual needs patient. This requires an interdisciplinary approach design, manufacturing testing structures...

Abstract The paper presents examinations of the surface base concrete with a 3D scanner. Two surfaces, differently prepared, were examined, together two measurement strategies: simple and fast scanning partial in selected areas corresponding to device space. In order complete analysis topography an original Matlab-based program TAS ( Topography Analysis Simulation ) was developed for both 2D analyses. It enables data processing, calculation parameters, visualization digital filtration.

Preliminary notes

The article presents possibilities of application computed tomography to study elements made with additive methods. 3D printing is currently growing very rapidly and already allows execute ready-to-use, structurally complex consisting one or more parts. Similarly, (CT), as the youngest measurement technique methods control geometrical size parts, through any element evaluate both quality each individual components their assembly. This especially valuable for evaluation What more, porosity on...

Abstract In line with engineering research focusing on metal tools, techniques to record the attribute of ‘edge sharpness’ stone tools can include both mechanical and micro-geometric approaches. Mechanically-defined sharpness used in lithic studies are now well established align research. The single micro-geometrically-defined technique—tip curvature—is novel relative approaches elsewhere, has not explicitly been tested for its ability describe sharpness. Here, using experimental flakes...

In the paper apossibility of using ametrology micro computed tomography (CT) to assess quality parts made by rapid prototyping technique was presented. Additive manufacturing techniques dramatically change approach process. Not long ago they allowed solely for obtaining aspatial model apart in order visualize its features. Nowadays, it is possible produce elements and assembly groups with properties that make replace many manufactured traditional casting or injection techniques. Polymer...

The paper presents a method for checking the geometry of stamped car body parts using 3D optical measurement system. analysis focuses on first forming operation due to deformation and material flow associated with stall thresholds. An essential element is determining actual gap occurring between surfaces based die punch used in stamping operation. elements at individual production stages was analyzed an laser scanner. control carried out this way allowed one correctly position tools (punch...

This paper focuses on evaluation of differences in the newly manufactured U-tubes and ones after operation. Differences geometry internal surface roughness were investigated a flow simulation was carried out Ansys Fluent software, where properties such as nature, maximum velocity pressure drop examined. A numerical model validation process with an application PIV experiments. The digital models U-tube obtained computer tomography. As result tests, it has been noticed that operation much more...

The presented work focuses on the assessment of material performance polyoxymethylene (POM)-based composites reinforced with use a biocarbon/basalt fiber system (BC/BF). BC particles was aimed at eliminating mineral fillers (chalk, talc) by using fully biobased material, while basalt fibers can be considered an alternative to glass (GF). All materials were prepared same 20% filler content, differences concerned (BC/BF) % ratio. Hybrid samples (25/75), (50/50), and (75/25) ratios prepared....