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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

Hashish,  M., 1984, “Cutting with Abrasive Waterjets,” Mechanical Engineering, 106, No. 3, pp. 60–69.
Mason, F., 1989, “Water and Sand,” Wet Grit, Abrasive Waterjets, A Special Report, Am. Machinist, Oct., pp. 84–95.
Vijay, M. M., 1995, “Advances in the Applications of High Speed Fluid Jets,” Proceedings of the 4th Pacific Rim International Conference on Water Jet Technology, Shimizu, Japan, pp. 27–46.
Nanduri, M., Taggart, D. G., Kim, T. J., Ness, E., and Risk, E., 1995, “Effect of Offset Bores on the Performance and Life of Abrasive Waterjet Mixing Tubes,” Proceedings of the 8th American Water Jet Conference, Houston, TX, pp. 459–472.
Nanduri, M., Taggart, D. G., Kim T. J., Ness, E., Haney, C., and Bartkowiak, C., 1996, “Wear Patterns in Abrasive Waterjet Nozzles,” Proceedings of the 13th International Conference on Jetting Technology—Applications and Opportunities, BHR Group, Mechanical Engineering Publications Limited, London, pp. 27–43.
Raissi, K., Basile, G., Cornier, A., and Simonin, O., 1995, “Abrasive Air Water Jet Modelization,” Proceedings of the 8th American Water Jet Conference, Houston, TX, pp. 153–170.
Nanduri, M., Taggart, D. G., and Kim, T. J., 1996, “A New High Velocity Micro-Particle Impact Technique Applied to Abrasive Waterjet Cutting Head Design,” Proceedings of the VIII International Congress on Experimental Mechanics, Society of Experimental Mechanics, Nashville, TN, pp. 433–434.
Schwetz, K. A., Greim J., Sigl, L. S., Pontvianne, P. M., Ehlbeck, U., Basile, G., Raissi, K., and Slotte, P., 1994, “Research on Design and Application of Industrial Scale Hydro-abrasive Jet-cutting Nozzles,” Proceedings of the 12th International Conference on Jet Cutting Technology, Rouen, France, pp. 165–175.
Nanduri, M., Taggart, D. G., Kim T. J., Haney, C., and Skeele, F. P., 1997, “Effect of the Inlet Taper Angle on AWJ Nozzle Wear,” Proceedings of the 9th American Water Jet Conference, Dearborn, MI, pp. 223–238.
Hashish,  M., 1994, “Observations of Wear of Abrasive-Waterjet Nozzle Materials,” ASME J. Tribol., 116, pp. 439–444.
Doty, P. A., Groves, K. O., and Mort, G., 1989, “Composite Carbides—A New Class of Wear Materials from the ROC Process,” First International Ceramic Science and Technology Congress, Anaheim, CA.
Ness, E. A., Dubensky, E., Haney, C., Mort, G., and Singh, P. J., 1994, “New Developments in ROCTEC Composite Carbides for Use in Abrasive Waterjet Applications,” Proceedings of the 12th International Conference on Jet Cutting Technology, Rouen, France, pp. 195–211.
Taggart, D. G., Nanduri, M., Kim, T. J., and Skeele, F. P., 1997, “Evaluation of an accelerated wear test for AWJ nozzles,” Proceedings of the 9th American Water Jet Conference, Dearborn, MI, pp. 239–250.
Kim, T. J., Costantino, H., Zeng, J., and Taggart, D. G., 1995, “Effect of Nozzle Length on Performance and Wear in Abrasive Waterjet Systems,” Proceedings of the 4th Pacific Rim International Conference on Water Jet Technology, Shimizu, Japan, pp. 491–502.

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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