The Mild-Severe Wear Transition in Erosion Wear

Zambrano, O.A.; García, Denise Schmitt Siqueira; Rodríguez, S.A.; Coronado, J.J.

doi:10.1007/s11249-018-1046-6

Cited by 22 publications

(4 citation statements)

References 23 publications

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“…While in Ref. [210], the effect of abrasive/material hardness ratio, H a /H m , on erosion wear was addressed. Solid particle erosion wear tests were performed with three types of abrasives and several different types of heat treatments and materials to obtain 11 different H a /H m ratios.…”

Section: Wear Behavior and Mechanismsmentioning

confidence: 99%

A review of recent advances in tribology

et al. 2020

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The reach of tribology has expanded in diverse fields and tribology related research activities have seen immense growth during the last decade. This review takes stock of the recent advances in research pertaining to different aspects of tribology within the last 2 to 3 years. Different aspects of tribology that have been reviewed including lubrication, wear and surface engineering, biotribology, high temperature tribology, and computational tribology. This review attempts to highlight recent research and also presents future outlook pertaining to these aspects. It may however be noted that there are limitations of this review. One of the most important of these is that tribology being a highly multidisciplinary field, the research results are widely spread across various disciplines and there can be omissions because of this. Secondly, the topics dealt with in the field of tribology include only some of the salient topics (such as lubrication, wear, surface engineering, biotribology, high temperature tribology, and computational tribology) but there are many more aspects of tribology that have not been covered in this review. Despite these limitations it is hoped that such a review will bring the most recent salient research in focus and will be beneficial for the growing community of tribology researchers.

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Section: Wear Behavior and Mechanismsmentioning

confidence: 99%

A review of recent advances in tribology

et al. 2020

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“…In SEM analysis material removal mode appears as ploughing and micro-cutting [10]. The maximum amount of material removal happens at an angle of 30°w hich resembles ferrous materials [38], while less material removal is observed at the normal angle.…”

Section: Erosion Mechanismmentioning

confidence: 99%

Erosion performance of direct-aged Al₂O₃-reinforced plasma-sprayed composite coatings at high-temperature conditions

Prashar,

Vasudev

2024

Surf. Topogr.: Metrol. Prop.

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• The present investigation evaluates the influence of furnace heat-treatment (HT) on the microstructure, microhardness, fracture toughness and erosion resistance of three plasma sprayed composite coatings: a Inconel625-30wt% micron-sized Al2O3 (In625-MHT) coating, a Inconel625-30wt% nano-sized Al2O3 (In625-NHT) coating and a Inconel625-15wt% micron-sized Al2O3 + 15wt% nano-sized Al2O3 (In625-BHT/bimodal) coating. High temperature solid particle erosion tests were conducted at 900ºC temperature and with at two different impingement angles (90 and 30) in simulated environment using standard erosion-test rig. Coatings were subjected to detailed mechanical and microstructural analysis in order to better understand their erosion mechanism and structure-property correlation. By healing pores and cracks, the furnace HT increases the coatings' erosion resistance in the order of In625-BHT, In625-NHT, and In625-MHTcoating. In addition, the mechanical properties of In625-BHT coating like porosity (1.0±0.09%), micro-hardness (1299±25Hv) and fracture toughness (5.9MPa√m) are significantly improved after HT. The presence of grooves and lips on the surfaces of uncoated substrates provides clear evidence that the erosion mechanism involves the combined processes of micro-ploughing and micro-cutting indicating ductile erosion mode. However unimodal and bimodal composite coatings demonstrated a brittle erosion mode.

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“…However, this paper only discusses the principle and process of erosion wear, and there is no specific discussion of the changes in erosion and wear brought about by the many different temperatures. While Liu Y et al [ 13 ] investigated the effect of abrasive hardness on erosion wear using abrasive air jets, Zambrano [ 14 ] conducted solid particle erosion wear studies using different abrasives and materials of different hardness and defined an abrasive/material hardness ratio to distinguish between light, medium, and moderate definitions of erosion wear. Bhosale et al [ 15 ] investigated the resistance to erosion and wear at high temperatures of 800, 650 and 500 °C for coating materials subjected to atmospheric plasma spraying and high speed oxyfuel processes.…”

Section: Introductionmentioning

confidence: 99%

CFD-Based Physical Failure Modeling of Direct-Drive Electro-Hydraulic Servo Valve Spool and Sleeve

Guo-qin

Yang

et al. 2022

Sensors

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Direct-drive electro-hydraulic servo valves are used extensively in aerospace, military and control applications, but little research has been conducted on their service life and physical failure wear. Based on computational fluid dynamics, the main failure forms of direct-drive electro-hydraulic servo valves are explored using their continuous phase flow and discrete phase motion characteristics, and then combined with the theory of erosion for calculation. A mathematical model of the direct-drive electro-hydraulic servo valve is established by using Solidworks software, and then imported into Fluent simulation software to establish its physical failure model and carry out simulation. Finally, the physical failure form of the direct drive electro-hydraulic servo valve is verified by the simulation results, and the performance degradation law is summarized. The results show that temperature, differential pressure, solid particle diameter and concentration, and opening degree all have an impact on the erosion and wear of direct-drive electro-hydraulic servo valves, in which differential pressure and solid particle diameter have a relatively large impact, and the servo valve must avoid working in the range of high differential pressure and solid particle diameter of 20–40 um as far as possible. This also provides further theoretical support and experimental guidance for the industrial application and life prediction of electro-hydraulic servo valves.

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The Mild-Severe Wear Transition in Erosion Wear

Cited by 22 publications

References 23 publications

A review of recent advances in tribology

A review of recent advances in tribology

Erosion performance of direct-aged Al₂O₃-reinforced plasma-sprayed composite coatings at high-temperature conditions

CFD-Based Physical Failure Modeling of Direct-Drive Electro-Hydraulic Servo Valve Spool and Sleeve

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The Mild-Severe Wear Transition in Erosion Wear

Cited by 22 publications

References 23 publications

A review of recent advances in tribology

A review of recent advances in tribology

Erosion performance of direct-aged Al2O3-reinforced plasma-sprayed composite coatings at high-temperature conditions

CFD-Based Physical Failure Modeling of Direct-Drive Electro-Hydraulic Servo Valve Spool and Sleeve

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Erosion performance of direct-aged Al₂O₃-reinforced plasma-sprayed composite coatings at high-temperature conditions