This study introduces innovative designs for abrasive tools aimed at enhancing surface finishing processes. Prototypes consisting of non-continuous films with discontinuous carriers and layers were developed to improve the efficiency effectiveness smoothing process. Four distinct varying nominal grain sizes fabricated explore versatility efficacy prototypes. The results indicate that incorporation carrier irregularities significantly influences processes, leading improvements in material...

In this study, the surface of new lapping films was analyzed, and finishing process applied to RG7 tin bronze alloy. The research focused on examining with electrocorundum grains nominal sizes 30, 12, 9 μm, commonly used for achieving smooth surfaces. manufacturing involves placing abrasive binder onto a polyester tape, resulting in heterogeneous distribution grains. study investigates impact random performance during material removal. Scanning electron microscopy analyze structure films,...

This article presents a comprehensive investigation into pressure rollers utilized in the microfinishing process, covering aspects such as design, experimental properties, compliance, and finite element simulation. Prototype with unconventional elastomer configurations were designed analyzed to explore their effectiveness achieving superior surface finishes. Experimental analysis simulations conducted gain insights performance behavior of these under various loading conditions. study...

This study investigates the surface topography of microfinishing abrasive films and their machining capability on Nimonic 80A superalloy, a high-performance nickel-based alloy commonly used in aerospace gas turbine engine applications. Surface analysis was conducted three with nominal grain sizes 30, 15, 9 μm, exploring wear patterns, contact frequency, distribution. To assess distribution apexes, Voronoi cells were employed. Results revealed distinct mechanisms, including torn grains...

This research explored the formation and effects of carbon layers on Grade 5 titanium alloy (Ti–6Al–4V) surfaces during a microfinishing process using both traditional abrasive films graphite-coated films. The study tried to appraise effect in concerning surface roughness. Microfinishing with an film impregnated diamond particles additional coating graphite was performed minimize roughness enhance overall performance surface. As result, it shown that after processing, uniform texture formed...

This study presents research into the unique method of depositing carbon layers onto processed surfaces, during finishing with abrasive films, on a global basis. The authors this article are holders patent for method. What makes technology outstanding is that it integrates processes, whereby micro-finishing and deposition layer freshly exposed surface fragments achieved simultaneously, in single process. Among main advantages accruable from process reduction irregularities, while...

The results of grinding are highly dependent on conditions workpiece removal process. material is removed by an unspecified number abrasive grains irregular shape and random distribution the wheel active surface. interaction between grain can be divided into three stages: (i) rubbing, (ii) ploughing (iii) chip formation. Reciprocal contribution each stage properties workpiece, parameters, friction condition grains. In article, numerical experimental process in analysis Ti-6Al-4V titanium...

The paper investigates various methods of microfinishing and arrives at the best technique to produce a very smooth surface. Various setups, with without oscillation, were developed, together attachment used on conventional lathes milling machines. workpiece material was an amorphous nickel–phosphorus Ni–P alloy. surface roughness parameters, such as Sa, Sv, Sp, measured TalySurf CCI6000 instrument. For measurement protrusions, “analysis islands” levels cut-off. 2BA method—machining below...

Ti–6Al–4V is the most commonly used alpha–beta titanium alloy, making it prevalent among all alloys. The processed material widely employed in aerospace, medical, and other industries requiring moderate strength, a good strength-to-weight ratio, favorable corrosion resistance. A microfinishing process on alloy surface was conducted using abrasive films with grain sizes of 30, 12, 9 μm. Superfinishing sequential process, where finishing operations are performed tools progressively smaller...

The study introduces new technologies of microfinishing, which are primarily aimed at cylindrical surfaces but with machining effectiveness, precision, and surface longevity. In the newly proposed dual-zone microfinishing method, symmetrical abrasive film feeding systems adapted a lever mechanism pivoting pressing assembly to simultaneously conduct processing in two zones. With such design, uniform force distribution is ensured, while mechanical deformation reduced raise utility lower scraps...

Abstract Background Increased composite roughness enhances bacterial adhesion and discoloration, thus increasing the risk of gingival inflammation secondary caries. Concerns about detrimental effects sodium bicarbonate on surface influenced development less abrasive powders: a glycine-based powder an erythritol-based powder, additionally - bicarbonate-based reduced grain size. However, there is limited evidence these materials dental fillings. The aim present study was to compare three...

This paper presents a methodology for assessing the state of active surface abrasive tools using new parameters that characterize their machining potential. The were defined in consideration features tools, which resulted from variability arrangement ridges grains and diversity shape orientation. A detailed analysis was performed to determine impact protrusion, sharpness, cutting edge orientation on value two assessment parameters: indicator height sharpness protrusions (Shs) height,...

The present study aimed at 3D analysis of adhesive remnants and enamel loss following the debonding orthodontic molar tubes clean-up to assess effectiveness safety One-Step Finisher Polisher Adhesive Residue Remover in comparison tungsten carbide bur. Thirty human molars were bonded with chemical-cure (Unite, 3M, USA), stored 24 h 0.9 % saline solution, debonded cleaned using three methods (Three groups ten): bur (Dentaurum, Pforzheim, Germany), one-step finisher polisher (One gloss, Shofu...

Presenting a new method for direct, quantitative analysis of enamel surface. Measurement adhesive remnants and loss resulting from debonding molar tubes. Buccal surfaces fifteen extracted human molars were directly scanned with an optic blue-light 3D scanner to the nearest 2 μm. After 20 s etching tubes bonded after 24 h storing in 0.9% saline - debonded. Then scanning was repeated. Superimposition comparison proceeded shape alterations entire objects analyzed using specialized computer...

Termination of fixed orthodontic treatment is associated with bracket debonding and residual adhesive removal. These procedures increase enamel roughness to a degree that should depend on the tool used. Enamel roughening may be bacterial retention staining. However, very limited data exists alteration 3D resulting from use different tools for clean-up.1. To perform precise assessment surface removal following molar tubes. 2. compare surfaces tungsten carbide bur, one-step polisher finisher...

This work investigates the contact between abrasive particles and workpieces in microfinishing processes with special consideration given to determination of unit force, pressure, grain, forces exerted by individual grains. A detailed methodology was established for measuring area, penetration depth, circumferences grain imprints at depths corresponding multiples total height film, represented parameter Sz. The following were analyzed: 0.05 Sz, 0.15 0.25 0.35 Results show that areas closer...

In the paper, effect of voltage increase (from 500 VDC up to 650 VDC) on structure and chemical composition porous coating titanium made by Plasma Electrolytic Oxidation is presented. Phosphates-based coatings enriched with calcium, magnesium, zinc, copper in electrolyte based 1 L 85% concentrated H3PO4, additions Ca(NO3)2·4H2O, Mg(NO3)2∙6H2O, Zn(NO3)2∙6H2O, Cu(NO3)2∙3H2O, are described. The morphology phase evaluated using SEM, EDS, XRD, XPS, GDOES, CLSM. Based these analyses, it was found...

Results of research on the effect stainless steel (SS) surface roughness amount and microscopic structure milk impurities, formed under influence high-temperature processing are presented. Three types plates different were used in study: Ra = 0.028 µm; 0.174 0.445 µm. The immersed raw heated at 85-90°C for 30 min, imitating pasteurisation conditions. As a result this action, sediment difficult to remove was created. impurities determined by Confocal Scanning Laser Microscope CSLM method....

To fabricate porous copper coatings on titanium, we used the process of plasma electrolytic oxidation (PEO) with voltage control. For all experiments, three-phase step-up transformer six-diode Graetz bridge was used. The and amount salt in electrolyte were determined so as to obtain coatings. Within framework this study, PEO carried out at a 450 VRMS four electrolytes containing copper(II) nitrate(V) trihydrate. Moreover, showed that content needed coating range 300–600 g/dm3. After...

Previous studies on preferences of phoretic deutonymphs Uropodina for attachment sites have shown that they frequently select smooth and hydrophobic surfaces. The aim our study was to provide the detailed morphological topographical characteristics beetle body surfaces which attach verify how presence setae surface sculpture affects deutonymph attachment. conducted Uropoda orbicularis (Müller, 1776) its common carriers: Aphodius prodromus (Brahm, 1790), fimetarius (Linnaeus, 1758),...