Hostname: page-component-78c5997874-8bhkd Total loading time: 0 Render date: 2024-11-13T10:12:35.951Z Has data issue: false hasContentIssue false

Effect of residual stresses on fatigue strength of severely surface deformed steels by shot peening

Published online by Cambridge University Press:  06 March 2012

Yoshiaki Akiniwa
Affiliation:
Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan
Hidehiko Kimura
Affiliation:
Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan
Takeo Sasaki
Affiliation:
Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan

Abstract

The compressive stress distribution below the specimen surface of severely surface deformed steels by shot peening was investigated by using laboratory X-rays and high-energy X-rays from a synchrotron radiation source, SPring-8 in the Japan Synchrotron Radiation Research Institute. Medium carbon steel plates were heat treated in two different conditions. The Vickers hardness of materials A and B after heat treatment is 408 and 617 HV, respectively. The specimens were shot peened with fine cast iron particles of the size of 50 μm. The coverage was selected to be 5000%. For the synchrotron radiation, by using the monochromatic X-ray beam with several energy levels, the stress values at the arbitrary penetration depth were measured by the constant penetration depth method. The shot-peened specimens were fatigued under four-point bending. The improvement of fatigue strength of material A was not so large because of large surface roughness. On the other hand, for material B, the surface roughness was smaller and the fatigue strength was higher than that of ground specimens.

Type
Applications Of Residual Stress Analysis
Copyright
Copyright © Cambridge University Press 2009

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Akiniwa, Y., and Kimura, H. (2008). “Determination of residual stress distribution in severe surface deformed steel by shot peening,” Mater. Sci. ForumMSFOEP 571–572, 1520.10.4028/www.scientific.net/MSF.571-572.15CrossRefGoogle Scholar
Akiniwa, Y., Tanaka, K., Suzuki, K., Yanase, K., Nishio, E., Kusumi, K., and Okado, Y. J. (2003). “Evaluation of residual stress distribution in shot-peened steel by synchrotron radiation,” J. Soc. Mater. Sci. Jpn.ZARYAQ 52, 764769.CrossRefGoogle Scholar
Bonarski, J. T., Wcislak, L., and Bunge, H. J. (1994). “Investigation of inhomogeneous textures of coatings and near-surface layers,” Mater. Sci. ForumMSFOEP 157–162, 111117.10.4028/www.scientific.net/MSF.157-162.111CrossRefGoogle Scholar
Kroener, E. (1958). “Berechnung der elastischen Konstanten des Vielkristalls aus den Konstanten des Einkristalls,” Z. Phys. A: Hadrons Nucl.ZPAHEX 151, 504518.CrossRefGoogle Scholar
Kumar, A., Welzel, U., and Mittemeijer, E. J. (2006). “A method for the non-destructive analysis of gradients of mechanical stresses by X-ray diffraction measurements at fixed penetration/information depths,” J. Appl. Crystallogr.JACGAR 39, 633646.10.1107/S0021889806023417CrossRefGoogle Scholar
Liu, Z. G., Fecht, H. J., and Umemoto, M. (2004). “Microstructural evolution and nanocrystal formation during deformation of Fe–C alloys,” Mater. Sci. Eng., AMSAPE3 375–377, 839843.10.1016/j.msea.2003.10.136CrossRefGoogle Scholar
Roland, T., Retraint, D., Lu, K., and Lu, J. (2006). “Fatigue life improvement through surface nanostructuring of stainless steel by means of surface mechanical attrition treatment,” Scr. Mater.SCMAF7 54, 19491954.10.1016/j.scriptamat.2006.01.049CrossRefGoogle Scholar
SAE J784a (1971). “Residual stress measurement by X-ray diffraction,” SAE 2nd editionSTPSDN, 6265.Google Scholar
Saito, Y., Tsuji, N., Utsunomiya, H., Sakai, T., and Hong, R. G. (1998). “Ultra-fine grained bulk aluminum produced by accumulative roll-bonding (ARB) process,” Scr. Mater.SCMAF7 39, 12211227.10.1016/S1359-6462(98)00302-9CrossRefGoogle Scholar
Tao, N. R., Sui, M. L., Lu, J., and Lu, K. (1999). “Surface nanocrystallization of iron induced by ultrasonic shot peening,” NanoStruct. Mater. 11, 433440.10.1016/S0965-9773(99)00324-4CrossRefGoogle Scholar
Todaka, Y., Umemoto, M., Li, J., and Tsuchiya, K. J. (2005). “Nanocrystallization of drill hole surface by high speed drilling,” J. Metastable Nanocryst. Mater.ZZZZZZ 24–25, 601604.10.4028/www.scientific.net/JMNM.24-25.601Google Scholar
Valiev, R. Z., Krasilnikov, N. A., and Tsenev, N. K. (1991). “Plastic deformation of alloys with submicrograined structure,” Mater. Sci. Eng., AMSAPE3 137, 3540.10.1016/0921-5093(91)90316-FCrossRefGoogle Scholar
Valiev, R. Z., Islamgaliev, R. K., and Alexandrov, I. V. (2000). “Bulk nanostructured materials from severe plastic deformation,” Prog. Mater. Sci.PRMSAQ 45, 103189.10.1016/S0079-6425(99)00007-9CrossRefGoogle Scholar
Wang, T., Yu, J., and Dong, B. (2006). “Surface nanocrystallization induced by shot peening and its effect on corrosion resistance of 1Cr18Ni9Ti stainless steel,” Surf. Coat. Technol.SCTEEJ 200, 47774781.10.1016/j.surfcoat.2005.04.046Google Scholar
Wang, T. S., Lu, B., Zhang, M., Hou, R. J., and Zhang, F. C. (2007). “Nanocrystallization and α martensite formation in the surface layer of medium-manganese austenitic wear-resistant steel caused by shot peening,” Mater. Sci. Eng., AMSAPE3 458, 249252.10.1016/j.msea.2006.12.066CrossRefGoogle Scholar
Warren, B. E. and Averbach, B. L. (1950). “The effect of cold-work distortion on X-ray patterns,” J. Appl. Phys.JAPIAU 21, 595595.10.1063/1.1699713CrossRefGoogle Scholar
Wu, X., Tao, N., Hong, Y., Xu, B., Lu, J., and Lu, K. (2002). “Microstructure and evolution of mechanically-induced ultrafine grain in surface layer of AL-alloy subjected to USSP,” Acta Mater.ACMAFD 50, 20752084.10.1016/S1359-6454(02)00051-4CrossRefGoogle Scholar