Impact Particle Kinetic Energy's Effect On Slurry Erosion Wear: A Comparative Study.pdf

s40735-015-0028-6.pdf
Preview of Impact Particle Kinetic Energy's Effect on Slurry Erosion Wear: A Comparative Study
🔗 Source: link.springer.com
📊 Size: 1.56 MB
👤 Author: Pankaj P. Shitole
⬇️ Downloads: 31

Summary

Quartz, silicon carbide, and alumina particles of equal size but different shapes were used at constant kinetic energy to observe their impact on erosion rates. Key findings include:

- Impact Angle and Erosion: Similar to previous studies, the maximum erosion occurs at normal impact angles for ductile materials, while brittle materials show maximum erosion at acute impact angles.

- Kinetic Energy and Crater Length: Increasing velocity increases crater length, particularly with quartz particles. Alumina particles, due to their angular nature, cause more significant erosion compared to silicon carbide and quartz.

- Solid Concentration Effect: Higher solid concentrations generally lead to increased mass loss, but the erosion rate in terms of g/g of solids may decrease, attributed to reduced collision efficiency and particle interaction.

- Erosion Mechanism: At shallow impact angles, erosion is primarily through a platelet mechanism, with material displaced in the flow direction. Normal impact results in indentation craters with rims.

- Material Properties: The shape (blocky for quartz, sub-angular for silicon carbide, and angular for alumina) of the particles influences erosion patterns. SEM micrographs confirm these observations.

The study contributes to understanding slurry erosion wear mechanisms and highlights the critical role of particle kinetic energy and material properties in determining erosion rates.

Description

This paper investigates how the kinetic energy of different solid particles (quartz, silicon carbide, alumina) impacts copper erosion using a slurry pot tester, emphasizing the role of particle energy and shape at varying impact angles.

Technical Information

  • File Format: PDF
  • File Size: 1.56 MB
  • Pages: 9
  • Language: EN
  • Author: Pankaj P. Shitole
  • Total Downloads: 31
  • Last Updated: 1 week ago

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