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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BWAN-0002-0042

Czasopismo

Journal of Achievements in Materials and Manufacturing Engineering

Tytuł artykułu

Low cycle fatigue of steels at high temperature under gradual loading

Autorzy Okrajni, J.  Junak, G. 
Treść / Zawartość http://www.journalamme.org
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Purpose: The purpose of this paper is description of the creep resistant steels low cycle fatigue life under gradual loading. Design/methodology/approach: The low cycle test at high temperatures have been performed. This kind of fatigue is typical for materials worked at high temperature conditions. Findings: The model has been worked out in the work, which considers an influence of the loading sequence on the fatigue life of steels worked at a high temperature under mechanical loading. Research limitations/implications: The paper presents results of the part of research connected with methods of life prediction of materials worked under mechanical and thermal loading. From many aspects connected with the life criteria the work has been focused on the problem of the influence of the loading sequence on the fatigue life. This problem should be examined with many others when the durability of high temperature component is considered. Practical implications: The results of low-cycle fatigue could be useful in problems of quality assessment of the examined steels and in analysis of the influence of the character of loading on the material behaviour. Originality/value: The paper presents the own new description of the low cycle fatigue life of steels under gradual loading. The own new fatigue life criterion has been proposed.
Słowa kluczowe
PL zmęczenie   ocena niezawodności   analiza trwałości resztkowej  
EN fatigue   reliability assessment   residual life analysis   raterials and engineering databases  
Wydawca International OCSCO World Press
Czasopismo Journal of Achievements in Materials and Manufacturing Engineering
Rocznik 2008
Tom Vol. 26, nr 2
Strony 147--150
Opis fizyczny Bibliogr. 15 poz., wykr.
Twórcy
autor Okrajni, J.
autor Junak, G.
  • Department of Mechanics of Materials, Silesian University of Technology, ul. Krasińskiego 8, 40-019 Katowice, Poland, jerzy.okrajni@polsl.pl
Bibliografia
[1] A. Wöhler, Tests to determine the forces acting on railway carriage axles and the capacity of resistance of the axles, Engineering 11 (1971) 199.
[2] W. W. Moskwitin, Cycle durability of construction, Publication Nauka, Novosybirsk, 1981.
[3] B. Tomkins, Fatigue failure and the integrity of structures, Course of Metal Fatigue, University of Sheffield. 1991.
[4] K. J. Miller, K. P. Zachariach, Cumulative damage laws for fatigue crack initiation and stage propagation, Journal of Strain Analysis 12/4 (1977).
[5] K. J. Miller, An introductory lecture on fatigue of metals, Course of Metal Fatigue, University of Sheffield. 1991.
[6] M. F. Ibrachim, K. J. Miller, Determination of fatigue crack initiation life, Fatigue of Engineering Materials and structures 4 (1980).
[7] S. S. Manson, Creep-fatigue analysis by strain range portioning, NACA TM X-67838, 1971.
[8] L. F. Coffin, Fatigue at high temperatures-prediction and interpretation, Institution of Mechanical Engineers, 188, London, 1974.
[9] M. A. Miner, Cumulative damage in fatigue, Journal of Applied Mechanics, 67, A-159 (1945).
[10] G. Junak, Low-cycle fatigue of creep resistant steels under gradual loading. Library of Silesian University of Technology, Gliwice 2003 (in Polish).
[11] J. Okrajni, A. Marek, G. Junak, Description of the deformation process under thermo-mechanical fatigue, Journal of Achievements in Materials and Manufacturing Engineering 21 (2007) 15-24.
[12] D. Renowicz, M. Cieśla, Crack initiation in steels parts working in boilers and steam pipelines, Journal of Achievements in Materials and Manufacturing Engineering 21/2 2007 49-52.
[13] J. Dobrzański, The classification method and the technical condition evaluation of the critical elements material of power boilers in creep service made from the 12Cr-1Mo-V, Journal of Materials Processing Technology 164-165 (2005) 785-794.
[14] J. Dobrzański, A. Zieliński, M. Sroka, Structure, properties and method of state evaluation of low-alloyed steel T23 (HCM2S) worked in creep conditions, Proceedings of the 11th International Scientific Conference on the Contemporary Achievements in Mechanics, Manufacturing and Materials Science CAM3S'2005, Gliwice-Zakopane, 2005, 171-180, (CD-ROM).
[15] D. Renowicz, A. Hernas, M. Cieśla, K. Mutwil, Degradation of the cast steel parts working in power plant pipelines, Journal of Achievements in Materials and Manufacturing Engineering 18 (2006) 219-222.
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