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TECHNICAL PAPERS

A Study of Nozzle Wear in Abrasive Entrained Water Jetting Environment

[+] Author and Article Information
Madhusarathi Nanduri, David G. Taggart, Thomas J. Kim

Department of Mechanical Engineering, University of Rhode Island, Kingston, RI 02881

J. Tribol 122(2), 465-471 (Jul 15, 1999) (7 pages) doi:10.1115/1.555383 History: Received October 25, 1998; Revised July 15, 1999
Copyright © 2000 by ASME
Topics: Wear , Nozzles , Wear testing
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References

Figures

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Abrasive waterjet nozzle wear; geometric parameters
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Abrasive waterjet nozzle wear; system/process parameters
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(a) Exit diameter increase and (b) nozzle weight loss of WCT3
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(a) Exit diameter increase and (b) nozzle weight loss of R230 series
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Bore profiles of WCT2 nozzle at 0, 1, 2, and 3 hours
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Comparison of pinned and actual profiles of WCT2 after 3 hours testing
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Bore profiles of WCT2 nozzle (nozzle center at Y zero)
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R230_1 profiles at 0, 5, 10, 15, 20, 25, and 30 minutes
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(a) Exit diameter increase rate and (b) nozzle weight loss rate of offset nozzles tested with garnet abrasive
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(a) Exit diameter increase rate and (b) nozzle weight loss rate of offset nozzles tested with aluminum oxide abrasive
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Bore profiles of R240 and R340 nozzles
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Effect of nozzle length on nozzle wear. (a) Exit diameter increase rate and (b) nozzle weight loss rate.
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Effect of inlet depth on nozzle wear. (a) Exit diameter increase and (b) nozzle weight loss.
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Effect of inlet angle on nozzle wear. (a) Exit diameter increase rate and (b) nozzle weight loss rate.
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Exit diameter wear of (a) 10 deg inlet angle and (b) 30 deg inlet angle nozzles. Note superior linearity in exit diameter increase of 10 deg nozzle.
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Cutting efficiency of 10 and 30 deg inlet angle nozzles as a function of exit diameter
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Effect of bore diameter on nozzle wear. (a) Exit diameter increase rate and (b) weight loss rate.
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Bore profiles of 0.79, 1.14, and 1.63 mm diameter nozzles (top to bottom) at 0, 15, 30, 45, and 60 seconds

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