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Article
Numerical study on fatigue crack behavior of 2024 Al alloy in abrasive waterjet peening
Abrasive waterjet peening is a preferable alternative to traditional shot peening which can be used for surface strengthening of structural components. The fatigue crack behavior of 2024 aluminum alloy specime...
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Article
Numerical investigation on the residual stress in abrasive waterjet peening
Surface treatments are needed for the inhibition of fatigue cracking on metallic components. Abrasive waterjet peening is a promising method for the surface treatment of metals. Compared to pure waterjet peeni...
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Article
Investigation on surface integrity and fatigue performance in abrasive waterjet peening
Abrasive waterjet peening is a promising method for surface strengthening and anti-fatigue processing, which has the advantages such as cleanness, high efficiency and low thermal effect. The surface integrity ...
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Article
Numerical and experimental study on the flow characteristics and the erosive ability of magnetorheological jet
Fluid jet machining has been widely used in machining of hard-brittle materials. However, the diffusion of a jet flow significantly affects the erosion capacity. Magnetorheological (MR) fluid has been consider...
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Article
Investigation on magnetic and flow field in magnetorheological jet machining
The instability and spreading out of jet flow outside the focusing tube involved in abrasive waterjet machining can be prevented by using magnetorheological (MR) fluid. The collimated and coherent MR jet in th...
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Article
Effect of ultrasonic vibration on cavitation erosion of aluminum oxide in fluid jet machining
Cavitation-induced erosion plays an important role in the material removal process of ultrasonic-assisted fluid jet machining. The influence of the ultrasonic and hydrodynamic parameters on the cavitation feat...
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Article
Investigation on the effect of cavitation in ultrasonic-assisted AWJ
In order to provide some insight into the complex fluid behavior involved in ultrasonic vibration-assisted abrasive waterjet machining, a three-dimensional CFD model is established to investigate the cavitatin...
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Article
Numerical research on erosion involved in ultrasonic-assisted abrasive waterjet machining
The impact erosion of particle in abrasive waterjet has the features of short duration of time and small scale of the deformation area, which lead to difficulty on implementing comprehensive investigation. As ...
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Article
Research on cavitation involved in ultrasonic-assisted abrasive waterjet machining
The cavitation characteristics involved in ultrasonic-assisted abrasive waterjet were analyzed in the present study. The fluid field corresponding to ultrasonic-assisted AWJ was investigated through utilizing ...
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Article
Meshfree analysis on dynamic behavior of hard brittle material in abrasive flow machining
Erosion mechanism of hard brittle target subjected to abrasive particles has been investigated numerically in the present study. A coupled model based on smoothed particle hydrodynamics and finite elements was...
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Article
Investigation of the pulsed waterjet flow field inside and outside of the nozzle excited by ultrasonic vibration
The pulsed waterjet flow inside and outside of the nozzle is investigated by numerical and experimental methods. This pulsed waterjet is generated by the external vertical vibration excitation at the end of th...
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Article
Numerical study on flow characteristics and impact erosion in ultrasonic assisted waterjet machining
A 3D numerical model was established to study the flow field characteristics and particle erosion in ultrasonic vibration-assisted abrasive waterjet machining by using computational fluid dynamics. The vibrati...
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Article
Investigation on flow field of ultrasonic-assisted abrasive waterjet using CFD with discrete phase model
The characteristics of flow field have significant influence on impact erosions of containing particles in abrasive waterjet machining. However, measurement of velocity and pressure distributions in flow field...
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Article
Investigation on erosion mechanism in ultrasonic assisted abrasive waterjet machining
The abrasive erosion mechanism in ultrasonic assisted abrasive waterjet machining is investigated in the present study. The process was theoretically analyzed and a numerical model for the abrasive particle im...
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Article
Experimental study on pulsation behavior of the ultrasonic vibration-assisted abrasive waterjet
With an aim to improve the efficiency of abrasive waterjet machining, the ultrasonic vibration is used in the process of the abrasive waterjet machining. The impacting force of the ultrasonic vibration-assiste...
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Article
A 3D simulation of the fluid field at the jet im**ing zone in ultrasonic-assisted abrasive waterjet polishing
In the present study, the fluid field of the im**ing jet on the workpiece surface in ultrasonic abrasive waterjet polishing (UA-AWJP) was simulated. The influences of the workpiece vibration on the pressure ...
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Article
Numerical simulation ultrahigh waterjet (WJ) flow field with the high-frequency velocity vibration at the nozzle inlet
This paper presents an investigation of ultrahigh pressure waterjet (WJ) flow field with the high-frequency velocity vibration at the nozzle inlet by computational fluid dynamics method. The velocity field of ...
