The Influence of Milling Parameters on Surface Residual Stresses during Milling AF1410 Ultrahigh Strength Steel

Abstract:

AF1410 steel is a kind of high alloy ultrahigh strength steel with perfect hardness, strength and fracture toughness after secondary hardening heat treatment. The distribution of residual stresses affects the fatigue life and stress corrosion resistance of the components in service. Little investigation about the residual stresses on AF1410 steel had been studied previously. The distribution of surface residual stresses on the components should be controlled by the machining process. In this study, two AF1410 workpieces machined by the orthogonal end-milling experiment of AF1410 were performed. The axial depth of cut, cutting speed, feed rate per tooth and radial depth of cut were involved in to the experimental factors. The residual stresses were measured by X-ray diffraction method. The influence of milling factors on distribution of surface residual stresses was studied with range analysis method. The influence sequence of the factors on surface residual stresses were obtained and the optimum value of cutting parameters were selected.

• Periodical: Key Engineering Materials (Volumes 431-432)
• Pages: 209-212
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.431-432.209
• Online since: March 2010
• Authors: Ge Song, Jian Feng Li, Jie Sun, Feng Jiang, Tao Mu, Rong Hua Yuan
• Keywords: End Milling, Milling Parameter, Orthogonal Milling Experiment, Range Analysis, Surface Residual Stress

References

[1] R. Schultz and M. Karabin: Proceedings of the Sixth European Conference on Residual Stresses, Materials Science Forum, 2002, pp.61-68.

[1] J. Hua, D. Umbrello and R. Shivpuri: Journal of Materials Processing Technology 171 (2006), pp.180-187.

[1] J.C. Outeiro, D. Umbrello and R.M. Saoubi: International Journal of Machine Tools & Manufacture 46 (2006), pp.1786-1794.

[1] F. Gunnberg, M. Escursell and M. Jacobson: Journal of Materials Processing Technology 174 (2006), pp.82-90.