<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents a comparative analysis of results of fatigue life calculations with the u se of the linear summation hypothesis of fatigue failures (LHSUZ), confronted with experimental test results. Te calculations and fatigue tests were performed for variable amplitude(VA), two-step and ten-step loading conditions, both in the low-cycle fatigue (LCF) and high-cycle fatigue (HCF) range, for the case of C45 steel as an example. Experimental verification of the hypothesis LHSUZ did not revealed any significant influence of load level and form of load spectrum on conformity of results of the calculation by using the LHSUZ, to results of fatigue tests on C45 steel. However, it enabled to assess magnitude of a correction factor which appears in the considered linear hypothesis.</p></abstract>

This paper presents a comparative analysis of results of fatigue life calculations with the u se of the linear summation hypothesis of fatigue failures (LHSUZ), confronted with experimental test results. Te calculations and fatigue tests were performed for variable amplitude(VA), two-step and ten-step loading conditions, both in the low-cycle fatigue (LCF) and high-cycle fatigue (HCF) range, for the case of C45 steel as an example. Experimental verification of the hypothesis LHSUZ did not revealed any significant influence of load level and form of load spectrum on conformity of results of the calculation by using the LHSUZ, to results of fatigue tests on C45 steel. However, it enabled to assess magnitude of a correction factor which appears in the considered linear hypothesis.

Comments on Linear Summation Hypothesis of Fatigue Failures

West Pomeranian University of Technology, Poland

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Comments on Linear Summation Hypothesis of Fatigue Failures"}

This paper presents a comparative analysis of results of fatigue life calculations with the u se of the linear summation hypothesis of fatigue failures...

Comments on Linear Summation Hypothesis of Fatigue Failures

Published Online: Oct 28, 2014

Page range: 77 - 85

DOI: https://doi.org/10.2478/pomr-2014-0033

Keywords
fatigue life calculations, summation hy pothesis of fatigue failures, variable load

© 2014 Grzegorz Szala

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comments on Linear Summation Hypothesis of Fatigue Failures

Published Online: Oct 28, 2014

Page range: 77 - 85

DOI: https://doi.org/10.2478/pomr-2014-0033

Keywordsfatigue life calculations, summation hy pothesis of fatigue failures, variable load

© 2014 Grzegorz Szala

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
fatigue life calculations, summation hy pothesis of fatigue failures, variable load