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TECHNICAL PAPERS

Effect of Plasma Cutting on the Fatigue Resistance of Fe510 D1 Steel

[+] Author and Article Information
M. Chiarelli, A. Lanciotti

Department of Aerospace Engineering, University of Pisa, Via Diotisalvi 2, 56126 Pisa, Italy

M. Sacchi

Breda Railway Constructions, Via Ciliegiole 110b, 51100 Pistoia, Italy

J. Eng. Mater. Technol 122(1), 141-145 (Apr 06, 1999) (5 pages) doi:10.1115/1.482778 History: Received December 11, 1998; Revised April 06, 1999
Copyright © 2000 by ASME
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References

Harris, I. D., 1996, “Plasma Arc Cutting of Bridge Steels,” Proceedings of the International Conference on Welded Structures in Particular Welded Bridges, Budapest, 2–3 September, pp. 363–364.
Gurney, T. R., 1979, Fatigue of Welded Structures, Second Edition, Cambridge University Press.
Kirkpatrick,  I., 1995, “High Definition Plasma—An Alternative to Laser Technology,” Sheet Metal Ind. 72, pp. 18–19, Sept.
Harris,  I. D., and Lowery,  J., 1996, “High Tolerance Plasma Arc Cutting,” Weld. World, 37, No. 6, pp. 283–287.
Hoult,  A. P., Pashby,  I. R., and Chan,  K., 1995, “Fine Plasma Cutting of Advanced Aerospace Materials,” J. Mater. Process. Technol., 48, pp. 825–831, Jan.
Peterson, R. E., 1974, Stress Concentration Factors, John Wiley, New York.
Juvinall, R. C., 1967, Stress, Strain, and Strength, McGraw-Hill, New York.
Prokopenko,  A. V., 1991, “Effect of Plasma Cutting on the Fatigue and Cracking Resistance of Steel,” Strength of Materials (English translation of Problemy Prochnosti), Vol. 22, No. 12, Aug., pp. 1738–1740.

Figures

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Aspect of the edges after plasma cutting
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Heat affected zone after plasma cutting
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Micro-hardness of the plasma cut heat affect zone
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Strain gauge map for residual strain evaluation in a plasma cut edge
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Distribution of the longitudinal residual stress in a plasma cut edge
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Results of the fatigue tests carried out on notched and unnotched specimens. Edge preparation: milling.
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Results of the fatigue tests carried out on milled and plasma cut specimens
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Specimen with micro-notch
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Comparison between the fatigue results of notched and unnotched plasma cut specimens
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Comparison between the results of the fatigue tests carried out on plasma cut specimens under different stress ratios

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