...Srikant Tiwari; S. B. Mishra Titanium-reinforced hydroxyapatite (Ti-HAP) coatings have been deposited over 254 SMO stainless steel using a low-velocity oxygen fuel technique. FESEM, XRD, Vickers microhardness, and shear strength tests have been performed to characterize the developed coatings...

... by comparing the tribological results of the same materials in air. We conducted tribological experiments under starved lubrication conditions using polyetheretherketone (PEEK)/polytetrafluoroethylene (PTFE) and aromatic thermosetting co-polyesters (ATSP)/PTFE-coated aluminum alloy samples. We found...

...Juuso Lähdeniemi; Jiayi Chen; Tuomas Teittinen; Hemantha Kumar Yeddu In the present work, coating materials that can be welded to the EN 1.6220 low-alloy steel disc of a butterfly valve and are also compatible with the seal material, i.e., 17–4 PH steel, are studied. 312 duplex stainless steel, 316...

...Jiqiang Ma; Hongxun Cui; Hui Tan; Shengyu Zhu; Jun Cheng; Qinglin Li; Jun Yang Surface modification is the major means to improving the wear resistance of copper alloys. In this study, Cu–Mo coatings were prepared on Cu–Cr–Zr alloy by laser cladding, and the high-temperature tribological properties...

... the thickness of the claddings. The maximum values of microhardness for 15%, 30%, 45%, and 60% particulate WC are 810HV 0.2 , 896HV 0.2 , 990HV 0.2 , and 1163HV 0.2 , respectively, at 1.8 mm, 1.6 mm, 1.6 mm, and 1.2 mm from the top surface of the coating. From EDS and XRD analysis of the coated samples...

... in the food industry. The tests were carried out using samples of steel uncoated and coated with tungsten oxynitride in a pin-on-disc configuration using a tailored tribocorrosion cell. The uncoated AISI 431 presented good wear and corrosion resistance but presented tribocorrosion degradation, where...

... for publication in the J ournal of T ribology . 11 07 2023 28 11 2023 01 12 2023 22 01 2024 coatings films hardness surface fracture cracking surface properties and characterization tribological systems wear wear mechanisms Conselho Nacional de Desenvolvimento...

...Yinhu Xi; Bo Li; Andreas Almqvist In this work, a semi-analytical model replicating 3D rolling contact problems with elastic coating layers has been proposed. The dimension reduced boundary element-based model rests on the conventional half-space assumptions, with influence coefficients describing...

...Xin Pei; Wanyou Yang; Shuang Liu; Haotian Guo; Qinghua Zhou Transverse isotropy, a typical property of coating providing protection or lubrication for transmission parts, is different from isotropy focused in most of previous research, catching increasing attention in recent years. This study aims...

...Jyoti Prakash Nayak; Chetan In this research work, the turning of Inconel 825 has been carried out using uncoated and coated laser-textured hard tungsten carbide (WC) cutting inserts. The efficacy of uncoated textured inserts has been tried to improve by impregnating them with micro-sized MoS 2...

... lubricants have recently aroused significant interest due to their defined friction and wear properties. Despite enormous efforts on solid lubricants, their important contributions to coatings, bulk materials, oil/grease, and super-lubricity have not yet been fully evaluated. This paper discusses in detail...

...Sevda Albayrak; Canser Gül; Hanifi Çinici; Ömer Şahin Aluminum has many advantages, such as being lightweight, but it may not provide sufficient wear resistance for some applications. Tantalum oxide is a ceramic-based coating layer that can improve wear resistance. In this study, 2024 aluminum...

... abrasion adhesion coatings hardness surface properties and characterization surface treatments wear mechanisms Metal matrix composites (MMCs) have gained popularity in recent years owing to its properties mainly in automotive, aerospace, and defense industries. MMCs mainly comprise a metal...

...) using the photo-reduction process. The obtained coatings were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectroscopy, and transmission electron microscope (TEM). The XRD confirmed that all TiO 2 -NTs crystallized in anatase...

... at room temperature (RT). However, the effect of the MAO coating on the wear behavior at elevated temperatures was investigated in limited works. In this study, the MAO process was performed on an AZ91 alloy in single-phase (silicate-containing) and dual-phase (aluminate + phosphate containing...

... with the experimental data. Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 25 07 2022 11 12 2022 21 12 2022 19 01 2023 ferrofluids viscosity magnetic field volume concentration negative viscosity ferrohydrodynamics coatings...

... design faces considerable challenge to reduce friction losses, oil consumption, blow-by, and wear. Surface coatings have received great attention in applications of automotive engine components due to their unique friction properties. In this study, an elastic–plastic contact model of rough surfaces...

...Amod Kashyap; A.P. Harsha; Sooraj Singh Rawat; Harish C. Barshilia The present investigation is focused on tribological studies of polyurethane (PU) based coatings doped with nano-MoS 2 , and MoS 2 functionalized with octadecanethiol (i.e., MoS 2 -ODT) on steel substrate. The PU-based nanocomposite...

... , A. K. , 2020 , “ Mechanical Properties of Fe + SiC Metal Matrix Composite Fabricated on Stainless Steel 304 by TIG Coating Process ,” Int. J. Mater. Eng. Innov. , 11 ( 3 ), pp. 181 – 197 . 10.1504/IJMATEI.2020.108880 [2] Buytoz , S. , Ulutan , M. , and Yildirim , M. M...

...Na Tyrer; Fan Yang; Gary Barber; Bo Pang; Bingxu Wang With the rapid growth in the use of electronics, more studies are focusing on the tribological performance of electrical connectors. The most common electroplating coating materials are tin and copper. One major issue is when fretting corrosion...