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TECHNICAL PAPERS

Introduction of Compressive Residual Stress Using a Cavitating Jet in Air

[+] Author and Article Information
Hitoshi Soyama

Department of Mechanical Engineering, Tohoku University, Aoba 01, Aramaki, Aoba-ku, Sendai 980-8579, Japan

J. Eng. Mater. Technol 126(1), 123-128 (Jan 22, 2004) (6 pages) doi:10.1115/1.1631434 History: Received December 02, 2002; Revised September 02, 2003; Online January 22, 2004
Copyright © 2004 by ASME
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References

Soyama,  H., Yamauchi,  Y., Adachi,  Y., Sato,  K., Shindo,  T., and Oba,  R., 1995, “High-Speed Observations of the Cavitation Cloud Around a High-Speed Submerged Water Jet,” JSME Int. J., Ser. B, 38(2), pp. 245–251.
Soyama,  H., Yamauchi,  Y., Sato,  K., Ikohagi,  T., Oba,  R., and Oshima,  R., 1996, “High-Speed Observation of Ultrahigh-Speed Submerged Water Jets,” Exp. Therm. Fluid Sci., 12(4), pp. 411–416.
Soyama, H., Lichtarowicz, A., and Momma, T., 1996, “Vortex Cavitation in a Submerged Jet,” Proceedings of 1996 ASME Fluids Engineering Division Summer Meeting, FED Vol. 236, ASME, New York, pp. 415–422.
Soyama,  H., Yamauchi,  Y., Ikohagi,  T., Oba,  R., Sato,  K., Shindo,  T., and Oshima,  R., 1996, “Marked Peening Effects by Highspeed Submerged-Water-Jets—Residual Stress Change on SUS304,” Journal of Jet Flow Engineering,13(1), pp. 25–32 (in Japanese).
Hirano,  K., Enomoto,  K., Hayashi,  E., and Kurosawa,  K., 1996, “Effects of Water Jet Peening on Corrosion Resistance and Fatigue Strength of Type 304 Stainless Steel,” Journal of the Society of Materials Science Japan,45(7), pp. 740–745 (in Japanese).
Soyama,  H., and Asahara,  M., 1999, “Improvement of the Corrosion Resistance of a Carbon Steel Surface by a Cavitating Jet,” J. Mater. Sci. Lett., 18(23), pp. 1953–1955.
Soyama,  H., Park,  J. D., and Saka,  M., 2000, “Use of Cavitating Jet for Introducing Compressive Residual Stress,” ASME J. Manuf. Sci. Eng., 122(1), pp. 83–89.
Soyama,  H., 2000, “Improvement in Fatigue Strength of Silicon Manganese Steel SUP7 by Using a Cavitating Jet,” JSME Int. J., Ser. A, 43(2), pp. 173–178.
Soyama,  H., Kusaka,  T., and Saka,  M., 2001, “Peening by the Use of Cavitation Impacts for the Improvement of Fatigue Strength,” J. Mater. Sci. Lett., 20(13), pp. 1263–1265.
Soyama,  H., Saito,  K., and Saka,  M., 2002, “Improvement of Fatigue Strength of Aluminum Alloy by Cavitation Shotless Peening,” ASME J. Eng. Mater. Technol., 124(2), pp. 135–139.
Odhiambo,  D., and Soyama,  H., 2003, “Cavitation Shotless Peening for Improvement of Fatigue Strength of Carbonaized Steel,” Int. J. Fatigue, in press.
Daniewicz,  S. R., and Cummings,  S. D., 1999, “Characterization of a Water Peening Process,” ASME J. Eng. Mater. Technol., 121(3), pp. 336–340.
Ramulu,  M., Kunaporn,  S., Arola,  D., Hashish,  M., and Hopkins,  J., 2000, “Waterjet Machining and Peening of Metals,” ASME J. Pressure Vessel Technol., 122(1), pp. 90–95.
Soyama,  H., 1999, “Increase of Ability of Water Jet by Using Cavitation Impacts and Its Application to Peening of Material,” Journal of Jet Flow Engineering,16(3), pp. 22–28 (in Japanese).
Vijey, M. M., and Brierley, W. H., 1978, “Cutting Rocks and Other Materials by Cavitating and Non-Cavitating Jets,” Proceedings of 4th International Symposium on Jet Cutting Technology, Paper No. C5, BHRA, Cranfield, UK, pp. 51–66.
Vijey, M. M., Bai, C., Yan, W., and Tieu, A., 2001, “Reverse Flow Nozzle for Generating Natural Cavitating or Pulsed Waterjets: Basic Study and Applications,” Proceedings of 15th International Conference on Jetting Technology, BHRA, Cranfield, UK, pp. 1–17.
Shimizu, S., Tanioka, K., and Ikegami, N., 1997, “Erosion Induced by Ultra High Speed Cavitating Jet,” Proceedings of Spring Meeting of Hydraulics & Pneumatics, pp. 5–8 (in Japanese).
Soyama,  H., 1998, “Material Testing and Surface Modification by Using Cavitating Jet,” Journal of Society of Materials Science Japan,47(4), pp. 381–387 (in Japanese).
Soyama,  H., Takano,  Y., and Ishimoto,  M., 2000, “Peening of Forging Die by Cavitation,” Technical Review of Forging Technology,25(82), pp. 53–57 (in Japanese).
Yamauchi,  Y., Soyama,  H., Adachi,  Y., Sato,  K., Shindo,  T., Oba,  R., Oshima,  R., and Yamabe,  M., 1995, “Suitable Region of High-Speed Submerged Water Jets for Cutting and Peening,” JSME Int. J., Ser. B, 38(1), pp. 31–38.
Soyama,  H., Lichtarowicz,  A., Momma,  T., and Williams,  E. J., 1998, “A New Calibration Method for Dynamically Loaded Transducers and Its Application to Cavitation Impact Measurement,” ASME J. Fluids Eng., 120(4), pp. 712–718.
Hattori, S., Suzuki, T., and Okada, T., 1997, “Pressure Distribution on Material Surface Due to Cavitation Bubble Collapses,” Proceedings of 9th Conference on Cavitation, pp. 35–38 (in Japanese).
Soyama, H., Osada, K., and Saka, M., 1999, “Numerical Simulation on Introduction of Compressive Residual Stress by Cavitation Impact,” Preprint of the Japan Society of Mechanical Engineers, No. 991-2, pp. 51–52.

Figures

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Test apparatus for cavitating jet in air
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Mass loss Δm as a function of standoff distance sH with changing low-speed water jet injection pressure pL
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Mass loss Δm at optimum standoff distance as a function of the injection pressure of the low-speed water jet pL
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Ratio of the mass loss to power Δm/P as a function of the injection pressure of the low-speed water jet pL
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Comparison of a normal water jet with cavitating jets in air and water
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Erosion pattern of a normal water jet and cavitating jets in air and water: (a) normal water jet (Water jet in air); (b) cavitating jet in air; and (c) cavitating jet in water (water jet in water).
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Compressive residual stress introduced as a function of processing time per unit length by a cavitating jet in air compared with that from a cavitating jet in water
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Compressive residual stress introduced by a cavitating jet in air compared with those from a cavitating jet in water and shot peening
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Surfaces of the specimens: (a) not peened (Ra=0.06 μm); (b) cavitating jet in air (Ra=0.10 μm); and (c) shot peened (Ra=1.01 μm).
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Half width Δ2θ of X-ray diffraction profile changing with depth from surface

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