• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Iron and Steel Research International >Behavior of Transversal Crack on Slab Corner During V-H Rolling Process
【24h】

Behavior of Transversal Crack on Slab Corner During V-H Rolling Process

机译：V-H轧制过程中板坯角部横向裂纹的行为

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

The behavior of transversal cracks on the surface of the slab corner during vertical and horizontal (V-H) rolling process with flat vertical roll and groove vertical roll was simulated by explicit dynamic finite element method. The closure and growth of crack and the contact pressure on surfaces of the crack in contacting zone between slab and roll during rolling process were analyzed. The results showed that during vertical rolling process, when the groove vertical roll is used, the maximum contact pressure on surfaces of the crack is 115 MPa, and the closure of crack is stable; when the flat vertical roll is used, the maximum contact pressure on surfaces of the crack is 70 MPa, and it fluctuates greatly. During horizontal rolling process, when groove vertical roll is used, the contact pressure becomes zero which may accelerate the growth of crack; when flat vertical roll is used, there is still contact pressure. The calculated results are in good agreement with the results of test.
机译：采用显式动力有限元方法，模拟了平板式垂直轧辊和槽式垂直轧辊在水平和垂直（V-H）轧制过程中，板坯拐角表面的横向裂纹行为。分析了轧制过程中板坯与轧辊接触区裂纹的闭合和扩展以及裂纹表面的接触压力。结果表明，在竖向轧制过程中，采用沟槽竖向轧制时，裂纹表面的最大接触压力为115 MPa，裂纹的闭合是稳定的。当使用扁平的垂直辊时，裂纹表面上的最大接触压力为70 MPa，并且波动很大。在水平轧制过程中，当使用沟槽垂直轧制时，接触压力变为零，这可能会加速裂纹的发展；当使用扁平的垂直辊时，仍然会有接触压力。计算结果与试验结果吻合良好。

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