Thermal shock cycle finite element simulation and optimization design of Yb2Si2O7-based high temperature abradable sealing coatings based on machine learning

Ceramics International, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

---

The Friction Reduction and Stick–Slip Inhibition Effects of Ultrasonic Vibration on Sliding Friction Pair Under Solid Lubrication

Tribology Letters, Год журнала: 2025, Номер 73(1)

Опубликована: Фев. 4, 2025

Язык: Английский

---

High-purity 2D layered titanium sulfide: Synthesis and its role in ultra-high temperature lubrication

Nano Materials Science, Год журнала: 2025, Номер unknown

Опубликована: Фев. 1, 2025

Язык: Английский

---

Tribological Comparison of Coatings Produced by PVD Sputtering for Application on Combustion Piston Rings

Coatings, Год журнала: 2024, Номер 14(9), С. 1109 - 1109

Опубликована: Сен. 2, 2024

This article compares the tribological performance of coatings produced by PVD sputtering. Transition metal dichalcogenide (TMD) doped with carbon (WSC and MoSeC) nitrogen (WSN MoSeN) a conventional diamond-like (DLC) coating are compared. The evaluation was oriented towards use on piston rings. Block-on-ring tests in condition lubricated an additive-free polyalphaolefin (PAO 8) at temperatures 30, 60, 100 °C were carried out to evaluate boundary lubrication conditions. A load scanner test used dry friction scuffing propensity. In addition WSN, all other TMD (WSC, MoSeC, exhibited lower than DLC study reveals that WSC, among coatings, offers promising results, significantly levels DLC, while demonstrating reduced wear risk adhesion. These findings suggest WSC may be viable alternative rings, potential benefits for reducing fuel consumption increasing engine durability.

Язык: Английский

---

Tuning the Morphology of Transition Metal Disulfides: Advances in Electrocatalysts for Hydrogen Evolution Reaction

Hydrogen, Год журнала: 2024, Номер 5(4), С. 776 - 799

Опубликована: Ноя. 2, 2024

The hydrogen evolution reaction (HER) in the renewable energy system has gained a lot of attention from researchers as is assumed to be clean and carrier. Transition metals their compounds have been used promising alternatives precious noble for HER, offering low cost, more availability, high activity. In this work, we discussed mechanisms HER how morphology influenced catalytic performance transition metal disulfide (TMD), focusing on structures that range zero-dimensional (0D) three-dimensional (3D) TMD materials. Notably, two-dimensional (2D) TMDs, like nanosheets, exhibit lowest overpotential very small Tafel slope, which can ascribed inherent layered structure large surface area. According recent research reports, efficacy efficiency process are by chemistry, electrochemical characteristics, existence active sites.

Язык: Английский

---

Mechanisms of superlubricity in WS2/Graphite Interfaces: A First-Principles study on Silicon-Based substrates

Applied Surface Science, Год журнала: 2024, Номер unknown, С. 162109 - 162109

Опубликована: Дек. 1, 2024

Язык: Английский

---