Analysis of the Aging Process and Fatigue Behavior of 17-4 PH Stainless Steel

Authors

Department of Materials Engineering, Isfahan University of Technology, Isfahan, Iran

Abstract

Age hardening processes cause a wide range of changes in 17-4 PH stainless steel properties. Aging at 480ºC for 1 hour (A480-1) and aging at 620ºC for 4 hours (A620-4) are two most applicable heat treatment processes for this alloy. Not only the studies on fatigue behavior of this alloy in these two heat treatment conditions are few, but also the methods of fatigue test were mostly axial. In this study, after microstructure studies, hardness and tension tests, fatigue behavior at A480-1 and A620-4 conditions were evaluated by using a rotational bending fatigue test machine. Tension results showed that yield strength and ultimate tensile strength of A480-1 specimens were 40 percent more than A620-4 specimens. However, elongation of A620-4 specimens was 30 percent more than A480-1 specimens. Fatigue results revealed the endurance limit of aged specimens is 50 MPa more than overaged specimens. Overall results showed that A480-1 condition specimens are more resistant to fatigue than A620-4 condition specimens.
 

Keywords

References

1. Smith, W. F., Structure and Properties of Engineering Alloys, McGraw-Hill, 1993.
2. AK Steel., “product Data Sheet (17-4PH stainless steel)”, AK Steel Corporation, 2007.
3. Krauss, G., Steels: Heat treatment and Processing Principles, ASM International, 1990.
6. Bhambroo, R., Roychowdhury, S., Kain, V., and Raja, V., “Effect of Reverted Austenite on Mechanical Properties of Precipitation Hardenable 17-4 Stainlesssteel”, Materials Science and Engineering: A, Vol. 568, pp. 127-133, 2013.
7. Hsiao, C., Chiou, C., and Yang, J., “Aging Reactions in a 17-4 PH Stainless Steel”, Materials Chemistry and Physics, Vol. 74, No. 2, pp. 134-142, 2002.
8. Murr, L. E., Martinez, E., Hernandez, J., Collins, S., Amato, K. N., Gaytan, S. M., and Shindo, P.W., “Microstructures and Properties of 17-4 PH Stainless Steel Fabricated by Selective Laser Melting”, Journal of Materials Research and Technology, Vol. 1, No. 3, pp. 167-177, 2012.
9. Wang, J., Zou, H., Li, C., Zuo, R., Qiu, S., and Shen, B., “Relationship of Microstructure Transformation and Hardening Behavior of Type 17-4 PH Stainless Steel”, Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material, Vol. 13, No. 3, pp. 235-239, 2006.
10. Wu, J. H., and Lin, C. K., “Tensile and Fatigue Properties of 17-4 PH Stainless Steel at High Temperatures”, Metallurgical and Materials Transactions A, Vol. 33, No. 6, pp. 1715-1724, 2002.
11. Viswanathan, R., Wittig, J., and Syrett, B., “Corrosion Fatigue of 17-4 PH Turbine Blade Steel in Chloride Environments”, Electric Power Research Inst., Palo Alto, CA,1981.
12. Mohd, S., Bhuiyan, M. S., Nie, D., Otsuka, Y., and Mutoh, Y., “Fatigue Strength Scatter Characteristics of JIS SUS630 Stainless Steel with Duplex S–N Curve”, International Journal of Fatigue, Vol. 82, pp. 371-378, 2016.
13. Vander Voort, G. F., Metallography, Principles and Practice, ASM International, 1984.
14. Adynka, A., “Fatigue Failure and Testing Methods”, HAMK University of Applied Sciences, 2013.
15. Mirzadeh, H., and Najafizadeh, A., “Hot Deformation and Dynamic Recrystallization of 17-4 PH Stainless Steel”, The Iron and steel Institue of Japan Interenationad, Vol. 53, No. 4, pp. 680-689, 2013.
16. Viswanathan, U., Banerjee, S., and Krishnan, R., “Effects of Aging on the Microstructure of 17-4 PH Stainless Steel”, Materials Science and Engineering: A, Vol. 104, pp. 181-189, 1988.
17. Tavares, S., da Silva, F., Scandian, C., da Silva, G., and de Abreu, H., “Microstructure and Intergranular Corrosion Resistance of UNS S17400 (17-4PH) Stainless Steel”, Corrosion Science, Vol. 52, No. 11, pp. 3835-3839, 2010.
18. Čı́hal, V., and Štefec, R., “On the Development of the Electrochemical Potentiokinetic Method”, Electrochimica Acta, Vol. 46, No. 24, pp. 3867-3877, 2001.
19. ASM Handbook, Failure Analysis and Prevention, ASM Handbook, Vol. 11, 2002.
20. ASM Handbook, Vol. 19, Fatigue and Fracture , ASM International, Metals Park, OH, 1996.
21. Lee, Y. L., Fatigue Testing and Analysis: Theory and Practice, Butterworth-Heinemann, 2005.
22. ASM Handbook., Vol. 3, Alloy Phase Diagrams, ASM International, Materials Park, OH, 1992.
Journal of Advanced Materials in Engineering (Esteghlal)
Volume 36, Issue 2
September 2017
Pages 81-93

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