Research on Water Jet Drilling Technology for Carbon-carbon Composites

doi:10.3901/JME.2019.03.226

Abstract

Abstract: For punching process of carbon-carbon composite processed by abrasive water jet, combined with Fluent analysis of the impact of high pressure abrasive water jet pressure and target distance on carbon-carbon composite punching depth; by Using ANSYS/Ls-dyna Finite element analysis software the impact model of abrasive and water jet is established. To simulate with that the jet pressure is the main factor of punching and stratification, obtaining the maximum stress when the material loses efficacy and the change regulation of stress through the whole jet process, The stratification by the adjacent layer in the y-direction displacement changes of the position of maximum stress is defined. To conduct the corresponding experimental study according to the simulation result, the simulation results and experimental results are compared to verify the feasibility and effectiveness of the jet simulation model.

Key words: Aerodynamic performance, High-pressure compressor, Manufacturing variability, Sensitivity analysis, abrasive water jet, ANSYS/Ls-dyna, carbon-carbon composite, numerical simulation

CLC Number:

TH162

CAI Zhigang, CHEN Xiaochuan, WANG Di, BAO Jinsong. Research on Water Jet Drilling Technology for Carbon-carbon Composites[J]. Journal of Mechanical Engineering, 2019, 55(3): 226-232.

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