Paper Title:
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.

  Info
Periodical
Advanced Materials Research (Volumes 146-147)
Edited by
Sihai Jiao, Zhengyi Jiang and Jinglong Bu
Pages
1780-1783
DOI
10.4028/www.scientific.net/AMR.146-147.1780
Citation
H. Q. Xue, D. Wagner, "Very High Cycle Fatigue Behavior of Carbon Manganese Steels", Advanced Materials Research, Vols. 146-147, pp. 1780-1783, 2011
Online since
October 2010
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Price
$32.00
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