Paper Title:
Random Fatigue Limits of China Railway Grade B Cast Steel Wheel
  Abstract

Random fatigue limits are experimentally studied on China grade B cast steel wheel. Test data were obtained by employing a so-called small sampling up-and-down test method. Results reveal that fatigue cracks of the present material were commonly initiated from the casting flaw of shrinkage cavities and grew with typical fatigue river-like flowers and striations. To address the scattered test data, randomness of fatigue limits are comparably measured by the existent four approaches, i.e. conventional, Dixon-Mood, Zhang-Kececioglu, and Zhao-Yang approaches. It is verified that Zhao-Yang approach is appropriately applied for the present assessment on random fatigue limits of China grade B cast steel wheel.

  Info
Periodical
Key Engineering Materials (Volumes 480-481)
Edited by
Yanwen Wu
Pages
347-351
DOI
10.4028/www.scientific.net/KEM.480-481.347
Citation
Y. X. Zhao, B. Yang, Z.G. Wang, "Random Fatigue Limits of China Railway Grade B Cast Steel Wheel", Key Engineering Materials, Vols. 480-481, pp. 347-351, 2011
Online since
June 2011
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Price
$32.00
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