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Microscopic Strain Localization of Ti-6Al-4V Alloy Under Uniaxial Tensile Loading Read chapter Read first chapter

2019 | OriginalPaper | Chapter

30. Comparison of Several Optimized Methods for Mean Stress Effect Evaluating the Stress-Life Prediction

Authors : Jan Papuga, Ivona Vízková, Maxim Lutovinov, Martin Nesládek

Published in: Mechanical Fatigue of Metals

Publisher: Springer International Publishing

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Abstract

Four methods for computing the equivalent stress amplitude as the response to the mean stress effect are compared. They all include one additional parameter, which was optimized for 19 different data sets. Trends of the optimized parameters were analyzed, and their estimates were recommended. These recommended values were then checked on the same test set. The final results favor use of the Bergmann and the Walker methods, while the Linear method built as a generalization of the Goodman formula results in a weak output.

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Metadata
Title
Comparison of Several Optimized Methods for Mean Stress Effect Evaluating the Stress-Life Prediction
Authors
Jan Papuga
Ivona Vízková
Maxim Lutovinov
Martin Nesládek
Copyright Year
2019
Book
Mechanical Fatigue of Metals

Print ISBN: 978-3-030-13979-7

Electronic ISBN: 978-3-030-13980-3

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-030-13980-3_30

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