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TECHNICAL PAPERS

Improvement of Fatigue Strength of Aluminum Alloy by Cavitation Shotless Peening

[+] Author and Article Information
Hitoshi Soyama, Kenichi Saito, Masumi Saka

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

J. Eng. Mater. Technol 124(2), 135-139 (Mar 26, 2002) (5 pages) doi:10.1115/1.1447926 History: Received June 05, 2001; Revised October 26, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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References

Soyama,  H., 2000, “Improvement in Fatigue Strength of Silicon Manganese Steel SUP7 by Using a Cavitating Jet,” JSME Int. J., 43A, 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 pp. 1263–1265.
Soyama,  H., Park,  J. D., and Saka,  M., 2000, “Use of Cavitating Jet for Introducing Compressive Residual Stress,” ASME J. Manuf. Sci. Eng., 122, pp. 83–89.
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, pp. 22–28 (in Japanese).
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, 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,” J. Soc. Mater. Sci. Jpn., 45, pp. 740–745 (in Japanese).
Daniewicz,  S. R., and Cummings,  S. D., 1999, “Characterization of a Water Peening Process,” ASME J. Eng. Mater. Technol., 121, pp. 336–340.
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, pp. 1953–1955.
SAE J442, 1979, “Test Strip, Holder and Gage for Shot Peening,” pp. 1–2.
Soyama,  H., and Lichtarowicz,  A., 1996, “Cavitating Jets—Similarity Correlations,” Journal of Jet Flow Engineering, 13, pp. 9–19.
Little, R. E., 1972, “Estimating the Median Fatigue Limit for Very Small Up-and-Down Quantal Response Tests and for S-N Data with Runouts,” Probabilistic Aspects of Fatigue, ASTM STP 511, pp. 29–42.
Masaki, K., Matsumura, T., and Ochi, Y., 2001, “The Improvement of High Cycle Fatigue Properties of AC4CH Alloy with Shot Peening,” Proceedings of the 2001 Annual Meeting of JSME/MMD, pp. 259–260 (in Japanese).
Thiruvengadam,  A., and Preiser,  H. S., 1964, “On Testing Materials for Cavitation Damage Resistance,” J. Ship Res., 8, pp. 39–56.
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, pp. 712–718.
Albaid,  Y. F., 1990, “A Rudimentary Analysis of Improving Fatigue Life of Metals by Shot-Peening,” ASME J. Appl. Mech., 57, pp. 307–312.

Figures

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Cavitating jet apparatus for cavitation shotless peening
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Scanning of specimen by a cavitating jet
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Geometry of specimen for a rotating bending fatigue test (all dimensions are in mm)
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Improvement of fatigue strength by cavitation shotless peening
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Typical fractography of specimen. (a) Non-peened specimen (σa=139 MPa); (b) peened specimen (σa=166 Mpa)
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Surface of specimens for a fatigue test. (a) Non-peened; (b) cavitation shotless peening.
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Arc height of N-type almen strip changing with exposure time per unit length to cavitating jet for cavitation shotless peening

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