Very High Cycle Fatigue Behavior of Carbon Manganese Steels

Hong Qian Xue; Danièle Wagner

doi:10.4028/www.scientific.net/AMR.146-147.1780

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Macroscopic and Mesoscopic Large Deformation Measurement Methods for Metal Materials
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In Situ Mg₂Si Reinforced Mg Alloy Synthesized in Mg-SiO₂ System
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Cooling by the Sine Function to Produced Semi-Solid Aluminum Alloys
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 146-147Very High Cycle Fatigue Behavior of Carbon...

Very High Cycle Fatigue Behavior of Carbon Manganese Steels

Abstract:

An ultrasonic fatigue testing system capable of operating at temperatures at 250 has been introduce to study the fatigue behavior of carbon manganese steels (A42 and A48) and loading frequency of approximately 20 kHz. Endurance limit results were comparable to those generated at room temperature to determine the effect of temperature. Scanning electron microscopy was then used to determine the initiation sites and the failure mechanisms. Initial results indicate that fatigue strength decrease a little at 250 , interior inclusions were the major microstructural feature responsible for crack initiation in the alloy.

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Periodical:

Advanced Materials Research (Volumes 146-147)

Pages:

1780-1783

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.146-147.1780

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Online since:

October 2010

Authors:

Hong Qian Xue, Danièle Wagner

Keywords:

20kHz, C-Mn Steel, High-Temperature, VHCF

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