Influence of SiO2 and Al2O3 particles on erosion wear of aero-compressor blades

Yang, Pingping; Yue, Wenhui; Chen, Anhua; Bin, Guangfu

doi:10.1016/j.wear.2023.204992

Cited by 5 publications

(2 citation statements)

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“…Yang and colleagues investigated the impact of SiO 2 and Al 2 O 3 particles on the erosion wear of titanium alloy. They developed the Tabakoff erosion wear model, established model parameters, and analyzed the wear patterns and erosion rates of both particles on titanium alloy [21]. Yaer et al employed finite element simulation to investigate the particle erosion wear process of high-temperature alloy materials.…”

Section: Introductionmentioning

confidence: 99%

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Research on Cutting Edge form Factor of Milling Tool after Drag Finishing Preparation Based on Discrete Element Method

Zhou,

Wang,

2024

Machines

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Cutting edge preparation is a precision machining process that improves the surface quality of cutting tools through the relative movement of abrasives and the tool. Research on removing materials in drag finishing can be greatly beneficial to tool manufacturing. This paper proposes the hypothesis that both abrasive wear and erosion wear act on the surface of milling tools and discusses the material removal models for abrasive wear and erosion wear. The influence of immersion depth, abrasive velocity, abrasive radius, and abrasive density on the material removal rate in two material removal forms is compared and validated by discrete element simulations. The results show that immersion depth has a greater impact on abrasive wear, while abrasive properties have a greater impact on erosion wear. The correlation between simulation results and theoretical models demonstrates the sensitivity of the two forms of wear on this surface to parameter change differences. Dragging finishing was conducted to verify the effectiveness of the simulation, and the effects of immersion depth, dragging velocity, and abrasive properties on the edge radius and form factor (K value) were studied.

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Section: Introductionmentioning

confidence: 99%

“…According to the above assumptions, all energy loss before and after particle impact acts on the removal of the milling tool material. The velocity change before and after particle impact can be calculated according to the empirical formula proposed by Tabakoff et al [21].…”

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confidence: 99%

Research on Cutting Edge form Factor of Milling Tool after Drag Finishing Preparation Based on Discrete Element Method

Zhou,

Wang,

2024

Machines

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Study of compressor blade wear pattern under transient acceleration

Pan,

Lai,

Zhang

et al. 2024

Physics of Fluids

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In this study, the erosive wear model of blade surface under transient acceleration is derived based on Finnie's wear theory. The parameters for the blade surface wear model under SiO2 particle erosion are derived from experimental studies on erosive wear of aluminum alloy. The wear finite element model of a single runner of compressor blade is established, and the change rule of blade surface wear characteristics is studied under transient accelerated operating conditions. The study demonstrates that increasing the speed from 70,000 to 100,000 rpm causes the severe wear region on the pressure surface of the main blade to extend from 90% span to 55% span toward the center. The region of severe wear at the leading edge of the splitter blade pressure extends from 90% span to 70% span. The findings offer theoretical guidance for designing compressor blades to resist wear and for diagnosing rotor unbalanced vibrations.

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