A Study of Cavitation Induced Surface Erosion in Abrasive Waterjet Cutting Systems

J. Madadnia; Dinesh K. Shanmugam; Thai Nguyen; Jun Wang

doi:10.4028/www.scientific.net/AMR.53-54.357

Paper Titles

Influence of Surface Morphology of Diamond Films on their Frictional Behaviors in Dry and Water Environments
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Laser Power Characterization Method for Fabrication of Centrosymmetric CR-DOEs Mask
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Characteristic of Si-Doped DLC Films on TC4 and Cr12 Substrates
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A New Solar Selective Absorbing Structure of Al-Al₂O₃ Cermet Composite Films by Pulsed Direct Current Magnetron Sputtering
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A Study of Cavitation Induced Surface Erosion in Abrasive Waterjet Cutting Systems
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Study on Removal Mechanism of Nanoparticle Colloid Jet Machining
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2D Simulation of the Gas-Solid Two Phase Flow inside the Abrasive Jet (AJ) Nozzle
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Temperature Dependence and Effect on Surface Roughness in Abrasive Flow Machining
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Research on Small Dimension Precision Turning Technology for Internal Spherical Surface
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A Study of Cavitation Induced Surface Erosion in Abrasive Waterjet Cutting Systems

Abstract:

Current jet cutting systems experience severe nozzle erosion and associated maintenance and downtime costs. An experimental investigation was conducted to qualitatively and quantitatively analyse the generation of cavitation in a high pressure water jet cutting system, and to characterise cavitation induced accelerated surface erosion by slurries. The analysis of surface morphology indicates that the shearing induced by cavitation played a major role in the erosion process. The results promise a feasible solution to reduce nozzle wear, and to enhance material removal in the jet cutting process.