Analyse of warm surface rolling on the grooved steel axle

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• 作者：Xiang-ru Liu (1) xiangruliu314@126.com
  Xu-dong Zhou (2)
• 关键词：Key words surface hardening &#8211 ; warm surface rolling &#8211 ; physical simulation &#8211 ; fatigue lifespan
• 刊名：Journal of Shanghai Jiaotong University (Science)
• 出版年：2012
• 出版时间：June 2012
• 年：2012
• 卷：17
• 期：3
• 页码：312-314
• 全文大小：481.9 KB
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  7. Muszka K, Hodgson P D, Majta J. Study of the effect of grain size on the dynamic mechanical properties of microalloyed steels [J]. Materials Science and Engineering A, 2009, 500(1–2): 25–33.
• 作者单位：1. School of Physics and Engineering, Henan University of Science and Technology, Luoyang, 471003 Henan, China2. School of Material Science and Engineering, Henan University of Science and Technology, Luoyang, 471003 Henan, China
• 刊物类别：Engineering
• 刊物主题：Electrical Engineering
  Life Sciences
  Architecture
  Chinese Library of Science
  
• 出版者：Shanghai Jiao Tong University Press
• ISSN：1995-8188

文摘

Warm surface rolling is a working process between room temperature and re-crystallization temperature. With warm surface rolling of steel grade 45 grooved axle, its fatigue lifespan was measured by the endurance bending test. The influence of surface rolling reduction on the axle fatigue life period was experimentally studied at different surface rolling temperatures. The experimental results show that the fatigue life of the steel axles can be significantly improved by the warm surface rolling process. The optimum rolling reductions for the maximum fatigue life at different warm surface rolling temperatures were explored. The microstructures of the steel axles were analyzed. The surface strength improved by refining grains after the warm surface rolling was calculated by the Hall-Petch model. These research achievements could be also valuable to the relevant works.