Wear Resistance Research Articles

Tribological characteristics and optimisation of friction stir welded dissimilar aluminium alloys AA6082 & AA5052 using different tool pin profiles

ABSTRACT In the present research, two dissimilar aluminium alloys, AA6082 and AA5052, were welded using Friction Stir Welding. Various tool pin profiles, including tapered cylindrical, pentagonal, and hexagonal, were used in this research. This research aims to examine the impact of various tool pin profiles on the mechanical properties and wear resistance of dissimilar joints. The tensile test reveals that the pentagonal welded sample exhibited a tensile strength of 101.45 MPa and joint efficiency of 74 %. The wear characteristics of the pentagonal welded sample displayed wear of 171 µm and frictional force of 6.9 N, resulting in a coefficient of friction of 0.345. Microstructure results revealed that the pentagonal tool pin profile had a well-formed and strong weld. Further, the process parameters were optimised using Response surface methodology based on the Box-Behnken design. Using the pentagonal tool pin profile, the parameters were optimised for specific wear, frictional force, and Coefficient of Friction. The optimised parameters identified are load of 20 N, a sliding distance of 1200 mm, and a sliding speed of 2 mm/sec with a frictional force of 6.48 N, Specific wear of 133.74 µm, and COF of 0.353. The confirmation test predicted a response error of under 3%.

A narrative review of the factors that affect the mechanical properties of polymer-infiltrated ceramics used for dental restorations.

A narrative review of the factors that affect the mechanical properties of polymer-infiltrated ceramics used for dental restorations.

Laser cladding of heterogeneous structured Cu-Cr-W-SiC coatings with balanced electrical conductivity and wear resistance

Laser cladding of heterogeneous structured Cu-Cr-W-SiC coatings with balanced electrical conductivity and wear resistance

Review of glass-ceramics: Solidification of toxic elements and durability.

Review of glass-ceramics: Solidification of toxic elements and durability.

Comprehensive evaluation of corrosion resistance and biocompatibility of ultrafine-grained TiMoNb alloy for dental implants

Comprehensive evaluation of corrosion resistance and biocompatibility of ultrafine-grained TiMoNb alloy for dental implants

Synergistic anti-corrosion and anti-wear of epoxy coating functionalized with inhibitor-loaded graphene oxide nanoribbons

Synergistic anti-corrosion and anti-wear of epoxy coating functionalized with inhibitor-loaded graphene oxide nanoribbons

Enhancing Plasma Electrolytic Oxidation (PEO) Coatings on Magnesium Alloys: The Critical Role of Surface Pretreatments

AbstractPlasma Electrolytic Oxidation (PEO) is a cutting‐edge method for creating ceramic‐like protective coatings on valve metals like magnesium (Mg), titanium (Ti), or aluminum (Al). These coatings exhibit exceptional wear resistance, corrosion protection, and high‐temperature stability, making them indispensable for applications in biomedical, aerospace, and automotive industries. However, the PEO process alone does not fully determine the quality, effectiveness, and performance of these coatings, the surface preparation of the substrate before coating is equally critical. Proper surface pretreatment is essential for achieving optimal adhesion, microstructure, and uniformity of the coatings. Surface pretreatment techniques such as heat treatment, severe plastic deformation (SPD), laser surface modification, chemical immersion, cold spray deposition, and magnetron sputtering have been widely explored to optimize the interfacial bonding and microstructural characteristics of PEO coatings. Understanding the intricate relationship between pretreatment strategies, substrate properties, and PEO process parameters is key to developing coatings with superior corrosion resistance, mechanical integrity, and defect control. This review provides a comprehensive evaluation of various pretreatment methods applied prior to PEO on Mg alloys, assessing their influence on coating morphology, phase composition, electrochemical behavior, and tribological performance. Furthermore, critical challenges and future research opportunities is identified in this domain, particularly in the development of hybrid pretreatment approaches and multifunctional coatings. By refining these processes, researchers can unlock new pathways for enhancing the durability and functionality of Mg alloys in extreme environments, expanding their industrial applicability.

Material composition of the endophytic ovipositor in the damselfly Calopteryx splendens (Odonata, Calopterygidae).

Material composition of the endophytic ovipositor in the damselfly Calopteryx splendens (Odonata, Calopterygidae).

Artificial Neural Networks in Spray Coatings for Protection of Hydroturbines in Silt Conditions

Background: Artificial intelligence techniques are able to predict the erosion in various coatings. In recent times, the erosion of the coating was successfully predicted using artificial neural networks (ANN). Aim: This patent aims to present the critical findings in the area of spray coatings used for the protection of hydroturbines. This critical review explores the surface erosion of numerous hydroturbine materials and coatings. Moreover, it covers the evolution of coating techniques used in different industries such as hydropower plants and materials handling industry. Objective: The objective of this patent is to present the critical finding in the field of erosion wear in coatings utilizing an artificial neural networks (ANN) technique. Methods: The effect of influencing factors on silt erosion was assessed. However, the evolution of various coating processes was explored comprehensively. Furthermore, the properties of various coatings, namely WC, Cr2C3, and Ni/Co coatings, were reported. A number of comparative analyses were carried out that can help in the selection of coatings on the basis of their mechanical as well as chemical properties. The applications of ANN in the spray industry were explained extensively. Results: The results show that the HVOF coating is the most widely used deposition method. HVOF is an appropriate technique for both ceramics and pure metals. Ceramics, as well as cermet, are deposited to enhance the wear and tear resistance of hydroturbine materials. As a result, the HVOF, laser cladding, D-Gun, and plasma spray technique are optimal in these circumstances. Coatings based on WC have been employed by several researchers to increase stainless steels' resistance to erosion and wear. Conclusion: With the application of appropriate models and ML methods, it is expected that coatings with specific desired properties can be manufactured with fewer experiments. There is no surprise that WC-10Co-4Cr finds widespread usage in a variety of industrial contexts. Ni- and Cobased coatings show promise for use in tribological settings. Stellite is suggested by several researchers for high-erosion duty conditions in hydroturbines. Co-based coatings are more erosion resistant as compared to No-based coatings. Coatings formulated with chromium (Cr) are resistant to erosion and wear in harsh mining environments.

The wear and corrosion resistance of FCC-dominated Al0.1CoCrFeNiTi coating produced by laser cladding

The wear and corrosion resistance of FCC-dominated Al0.1CoCrFeNiTi coating produced by laser cladding

Advanced Manufacturing Techniques for Wear and Corrosion Resistance Applications

Advanced Manufacturing Techniques for Wear and Corrosion Resistance Applications

Mo-S-Pb-Ti amorphous films: Achieving exceptional irradiation tolerance and enhanced wear resistance

Mo-S-Pb-Ti amorphous films: Achieving exceptional irradiation tolerance and enhanced wear resistance

Study on the microstructure and wear resistance of laser clad martensitic stainless steel 420 with different content of TiC

Study on the microstructure and wear resistance of laser clad martensitic stainless steel 420 with different content of TiC

Prediction of concrete wear resistance under wind erosion based on the LSTM deep learning model

Prediction of concrete wear resistance under wind erosion based on the LSTM deep learning model

Enhancing the wear resistance of Nano-TiC/TC4 composites through the annular oscillating laser deposition

Enhancing the wear resistance of Nano-TiC/TC4 composites through the annular oscillating laser deposition

Effect of novel carburizing-carbonitriding heat treatment on the microstructure, surface hardness, and wear resistance of 18Cr2Ni4WA steel

Effect of novel carburizing-carbonitriding heat treatment on the microstructure, surface hardness, and wear resistance of 18Cr2Ni4WA steel

Impact of differently coated AlSi-10Mg on machinability during end milling of XH67MBTHO

ABSTRACT XH67MBTHO is a difficult-to-machine material used in the high-temperature areas of aircraft engines. Due to inherent material characteristics like high strain hardening, high hot hardness, and inferior thermal conductance, the machinability of this alloy is very poor. Among various tool modification techniques, coatings are gaining high significance. In this study, a soft coating was developed over the tool using AlSi-10 Mg under different conditions. AlSi-10 Mg was developed under two conditions, including pre-machining of fresh insert and soft coating after 20 cm machining of the work-piece. Tool wear and surface roughness features were analysed and compared with tools without AlSi-10 Mg coating under dry conditions. A reduction in tool wear up to 18.01% along with 72.2% reduction in surface roughness was observed while using the AlSi-coated tool. Self-lubricating and cushioning characteristics of AlSi-coating aid in attaining improved wear resistance along with surface integrity. Using ANOVA, significant parameters affecting tool wear were observed as feed, depth of cut and coating type, and for surface integrity, it was speed, feed and coating type. Meanwhile, parametric optimisation using the desirability function approach recommended a speed of 30.973 m/min, a feed of 0.100 mm/teeth and a depth of cut of 0.100 mm using AlSi-10 Mg coating after 20 cm of machining run.

Effect of the impact angles on the erosion wear resistance of borided AISI 4140 steel

Effect of the impact angles on the erosion wear resistance of borided AISI 4140 steel

Microstructure evolution mechanism of dual-phase Mg-Li alloy in laser surface melting for hardness and wear resistance enhancement

Microstructure evolution mechanism of dual-phase Mg-Li alloy in laser surface melting for hardness and wear resistance enhancement

VN-induced Fe2NiCoCr(VN)x high-entropy alloys exhibiting superior wear resistance: Coexistence of micron and nano-scale precipitated phases

VN-induced Fe2NiCoCr(VN)x high-entropy alloys exhibiting superior wear resistance: Coexistence of micron and nano-scale precipitated phases