Microstructural Characterization Of Laser Heat Treated AISI 4140 Steel With Improved Fatigue Behavior

• Autorzy: Oh M. C. , Yeom H. , Jeon Y. , Ahn B.

Identyfikatory

DOI

10.1515/amm-2015-0125

Warianty tytułu

PL

Charakterystyka mikrostruktury stali AISI 4140 po laserowej obróbce cieplnej i z poprawioną odpornością na zmęczenie

• Języki publikacji: EN

Abstrakty

EN

The influence of surface heat treatment using laser radiation on the fatigue strength and corresponding microstructural evolution of AISI 4140 alloy steel was investigated in this research. The AISI 4140 alloy steel was radiated by a diode laser to give surface temperatures in the range between 600 and 800°C, and subsequently underwent vibration peening. The fatigue behavior of surface-treated specimens was examined using a giga-cycle ultrasonic fatigue test, and it was compared with that of non-treated and only-peened specimens. Fatigue fractured surfaces and microstructural evolution with respect to the laser treatment temperatures were investigated using an optical microscope. Hardness distribution was measured using Vickers micro-hardness. Higher laser temperature resulted in higher fatigue strength, attributed to the phase transformation.

Słowa kluczowe

EN

laser heat treatment; vibration peening; fatigue properties; ultrasonic fatigue test; alloy steel

PL

laserowa obróbka cieplna; wibracje; własności zmęczeniowe; badanie ultradźwiękowe; stal stopowa

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2015
• Tom: Vol. 60, iss. 2B
• Strony: 1331--1334
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Oh M. C.

• Department of Energy Systems Research, Ajou University, Suwon, Korea

autor

Yeom H.

• Department of Mechanical Engineering, Ajou University, Suwon, Korea

autor

Jeon Y.

• Department of Mechanical Engineering, Ajou University, Suwon, Korea

autor

Ahn B.

• Department of Energy Systems Research, Ajou University, Suwon, Korea

Bibliografia

• [1] S. Nachum, N. A. Fleck, Acta Materialia 59, 7300-7310 (2011).
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• [6] R. Avilés, J. Albizuri, A. Lamikiz, E. Ukar, A. Avilés, International Journal of Fatigue 33, 1477-1489 (2011).
• [7] M. Heitkemper, A. Fischer, Proceedings of the 6th International Tooling Conference 2, 935-945 (2002).
• [8] H. B. Singh, S. M. Copley, M. Bass, Metallurgical Transactions A 12, 138 (1981).
• [9] A. Gariepy, S. Larose, C. Perron, P. Bocher, M. Levesque, Finite Elements in Analysis and Design 69, 48-61 (2013).
• [10] P. Fe, C. Jiang, Materials & Design 56, 1034-1038 (2013).
• [11] S. Bagherifard, I. Fernandez-Pariente, R. Ghelichi, M. Guagliano, International Journal of Fatigue 65, 64-70 (2014).
• [12] S. M. Hassani-Gangaraj, A. Moridi, M. Guagliano, A. Ghidini, M. Boniardi, International Journal of Fatigue 62, 67-76 (2014).
• [13] H. Yeom, M. G. Lee, C. M. Lee, Y. Jeon, Journal of Korean Society for Precision Engineering 30, 1-2 (2013).

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.