Fatigue life assessment of selected engineering materials based on modified low-cycle fatigue test

• Autorzy: Maj M.
• Języki publikacji: EN

Abstrakty

EN

In this study, the mechanical tests were carried out on ductile iron of EN-GJS-600-3 grade and on grey cast iron of EN-GJL-250 grade. The fatigue life was evaluated in a modified low-cycle fatigue test (MLCF), which enables the determination of parameters resulting from the Manson-Coffin-Morrow relationship. The qualitative and quantitative metallographic studies conducted by light microscopy on selected samples of ductile iron with spheroidal graphite and grey cast iron with lamellar graphite (showing only small variations in mechanical properties,) confirmed also small variations in the geometrical parameters of graphite related with its content and morphological features.

Słowa kluczowe

EN

fatigue resistance; low cycle fatigue test (LCF); material constants

PL

wytrzymałość zmęczeniowa; zmęczenie niskocyklowe; stała materiałowa

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2013
• Tom: Vol. 13, iss. 1
• Strony: 89--94
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Maj M.

• AGH University of Science and Technology, Faculty of Foundry Engineering, Chair of Foundry Process Engineering, Cracow, Poland

Bibliografia

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• [11] Socha G. (2003) Experimental investigation of fatigue cracks nucleation, growth and coalescence in structural steel. International Journal Fatigue, 25 139-147.
• [12] Basan R., Rubeša D., Franulovi M., Križan B. (2010) A novel approach to the estimation of strain life fatigue parameters. 1877-7058 c 2010 Published by Elsevier Ltd. DOI:10.1016/j.proeng.2010.03.046.
• [13] Mathew M., D., Kim D. W., & Ryu W. S. (2008) A neural network model to predict low cycle fatigue life of nitrogen-alloyed 316L stainless steel. Materials Science and Engineering A, Vol. 474 (No.1-2, February 2008), 247-253. ISSN 0921-5093.
• [14] Mathur S., Gopeand P. C. & Sharma J.K. (2007) Prediction of Fatigue Lives of Composites Material by Artificial Neural Network. In SEM2007 Annual Conference and Exposition, Paper 260, Springfield, Massachusetts, USA, June4–6, 2007.
• [15] Maj M. (1984) Kryteria wytrzymałości eksploatacyjnej odlewów żeliwnych w oparciu o właściwości mechaniczne tworzyw. DSc thesis Kraków 1984.
• [16] Maj M. (2005) Zastosowanie zmodyfikowanej niskocyklowej próby zmęczeniowej do wyznaczania właściwości mechanicznych żeliwa ADI w temperaturze podwyższonej i pokojowej. Projekt badawczy 4 T08B 006 25 Kraków 2005.
• [17] Maj M. Brittle fracture in the context of fatigue testing. In WFC 2010 69th World Foundry Congress, October 16-20, Hangzhou China.
• [18] Maj M., Moćko W., Pietrzak K., Klasik A., Methodological conditionings of a modified low cycle fatigue method of tempered 41Cr4 steel in comparison to some other materials. Archives of Foundry Engineering, vol. 9 (Issue 4) 129-134.