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Materials Science Forum, 2007
In the present paper examples for propagating and non-propagating conditions of slip bands and short fatigue cracks in a ferritic-austenitic duplex steel are given, which were quantified by means of SEM in combination with automated EBSD. To classify the results within the scope of predicting the service life under HCF- and VHCF-loading conditions a ...
Ulrich Krupp +6 more
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In the present paper examples for propagating and non-propagating conditions of slip bands and short fatigue cracks in a ferritic-austenitic duplex steel are given, which were quantified by means of SEM in combination with automated EBSD. To classify the results within the scope of predicting the service life under HCF- and VHCF-loading conditions a ...
Ulrich Krupp +6 more
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Step loading for very high cycle fatigue
Fatigue & Fracture of Engineering Materials & Structures, 2002ABSTRACT The conventional method for determining fatigue strength at high cycle counts is to either extrapolate S–N data from lower cycle counts or to generate S–N data in the high cycle count regime using special high frequency test machines. In the process of generating S–N data, runout tests often occur where no failure is obtained within the ...
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An understanding of very high cycle fatigue of metals
International Journal of Fatigue, 2003Abstract For modern technical applications like cars, trains, and aircrafts, the durability of some components is between 108 and 1010 cycles. However, there are very few experimental results beyond 107 cycles, where the standard fatigue limit is predicted using statistical approaches.
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Fatigue in Ti-6Al-4V at Very High Cycles
Materials Science Forum, 2007The importance of determining and understanding the very high cycle fatigue behaviors of materials has gained strength in recent years. Ti-alloys, in view of their high strength-to-weight ratio, have a range of structural applications. Of these, Ti-6Al-4V, belonging to the alpha-beta type is the most widely used.
X.J. Cao, M.R. Sriraman, Qing Yuan Wang
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The most Influential Articles in Very High Cycle Fatigue
Key Engineering Materials, 2015The most influential articles in Very high cycle fatigue (VHCF) during last 20 years have been identified from web of science data. It has been found that VHCF is an important category of fatigue damage and has produced the highest impact in the field. The number of articles and their citations is continuously increasing in the overall published papers
Q.Y. Wang, Muhammad Kashif Khan
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Very high cycle fatigue of normalized carbon steels
International Journal of Fatigue, 2006zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zettl, B. +3 more
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Very High Cycle Fatigue Behavior of High Strength Steels
2008Life extension of engineering plants and high-speed operation of engineering machines are required in various fields. In these situations, conventional fatigue strength determined as the strength for 107 cycles is not sufficient. It is necessary to adopt the data up to giga cycle regime for design and maintenance.
Yoshiaki Akiniwa +3 more
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On Fatigue Crack Initiation in the Matrix in Very High Cycle Fatigue Regime
Materials Science Forum, 2014In very high cycle fatigue, VHCF, regime, fatigue crack initiation can occur at subsurface defects such as inclusion or subsurface non-defect (matrix) origin. This paper provides a study on the fatigue crack initiation mechanisms at subsurface non-defect (matrix) origin in two metallic materials using electron backscatter diffraction and electron ...
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A novel evaluation method for high cycle and very high cycle fatigue strength
Engineering Fracture Mechanics, 2023Han Wu +4 more
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