• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Metals and Materials International >Effect of Pre-Straining on High Cycle Fatigue and Fatigue Crack Propagation Behaviors of Precipitation Hardened Steel
【24h】

Effect of Pre-Straining on High Cycle Fatigue and Fatigue Crack Propagation Behaviors of Precipitation Hardened Steel

机译：预紧张对沉淀硬化钢的高循环疲劳和疲劳裂纹传播行为的影响

获取原文
获取原文并翻译 | 示例
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Steel sheet is often shaped by straining to form a final product, and deformation process can influence the fatigue resistance. In this study, high cycle fatigue (HCF) and fatigue crack propagation (FCP) behaviors of precipitation hardened (PH) high strength steel with pre-straining levels of 0, 5 and 9% were investigated. Regardless of pre-straining level, fatigue cracks were found to be initiated at surface pits formed during pickling. The effect of pre-straining was not significant on the HCF resistance of PH steel, while the FCP rates increased with increasing level of pre-straining only in low and intermediate.K regimes. It was suggested that marginal increase on HCF resistance of PH steel was due to the combined effect of enhanced resistance to crack initiation and reduced resistance to crack propagation with pre-straining. The effect of pre-straining on HCF and FCP behavior of PH steel was discussed based on micrographic and fractographic observations.
机译：None

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号