Dry sliding wear behaviour of suspension HVOF thermal sprayed Al2O3-MoS2 and Al2O3-BN nanotube coatings

Sun, Jianlin; Liu, Changxia; Venturi, Federico; Romero, Acacio Rincon; Hussain, Tanvir

doi:10.1016/j.jallcom.2023.171582

Cited by 5 publications

(1 citation statement)

References 29 publications

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“…Dry sliding tests on Al 2 O 3 /BN and Al 2 O 3 /MoS 2 coatings were part of the experimental study. The results indicated that the incorporation of solid lubricants such as BN and MoS 2 led to enhanced tribological characteristics of the samples, particularly when subjected to low-load friction conditions of 5 and 10 N [19]. According to Zhao et al, the synthesis Al 2 O 3 /Ag coating had a reduced wear rate compared to the Al 2 O 3 /Ag coating, attributed to its dense microstructure and superior mechanical characteristics [20].…”

Section: Introductionmentioning

confidence: 97%

High-Temperature Friction and Wear Behavior of Nickel-Alloy Matrix Composites with the Addition of Molybdate

Zhen,

Han

et al. 2023

Lubricants

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To improve the tribological characteristics of materials employed in spatial mechanisms, there is a significant requirement to develop solid lubricating composites with superior performance. This study investigates the tribological characteristics of composites consisting of a nickel matrix combined with silver molybdate and barium molybdate. The experimental analysis focuses on evaluating the tribological behaviors of these composites from 25 °C to 800 °C. The findings indicate that the combined application of silver molybdate and barium molybdate resulted in enhanced self-lubricating properties of the composites, particularly at temperatures over 400 °C. The inclusion of both silver molybdate and barium molybdate in the composite resulted in the achievement of a low friction coefficient (0.34–0.5), as well as a wear rate ranging from 0.47 to 1.25 × 10−4 mm3 N−1m−1, within the temperature range of 400 to 800 °C. Furthermore, an analysis was conducted to examine the wear processes of the composites at various sliding temperatures. This analysis was based on the evaluation of the chemical composition and morphologies of the sliding surfaces, which were verified by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and Raman spectroscopy.

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Section: Introductionmentioning

confidence: 97%