A Mathematical Model of Flow Stress of High Strength Steel Containing Low Carbon and Niobium

Zhou Jihua; Guan Kezhi; Lun Yixin; Cui Wenxuan; Li Xiuqiu

doi:10.13374/j.issn1001-053x.1992.05.009

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Zhou Jihua, Guan Kezhi, Lun Yixin, Cui Wenxuan, Li Xiuqiu. A Mathematical Model of Flow Stress of High Strength Steel Containing Low Carbon and Niobium[J]. Chinese Journal of Engineering, 1992, 14(5): 545-551. doi: 10.13374/j.issn1001-053x.1992.05.009

Citation:

Zhou Jihua, Guan Kezhi, Lun Yixin, Cui Wenxuan, Li Xiuqiu. A Mathematical Model of Flow Stress of High Strength Steel Containing Low Carbon and Niobium[J]. Chinese Journal of Engineering, 1992, 14(5): 545-551. doi: 10.13374/j.issn1001-053x.1992.05.009

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A Mathematical Model of Flow Stress of High Strength Steel Containing Low Carbon and Niobium

doi: 10.13374/j.issn1001-053x.1992.05.009

1. Department of Mechanical Engineering;
2. Department of Materials Science and Engineerin

Received Date: 1991-09-09
Available Online: 2021-10-18

Abstract

Abstract

Using camplastometer with high and constant strain rate the flow stress of low carbon nio-birm containing (Nb 0%~0.12%) steels has been investigated. The deformation Temp, are 750°~1150℃, strain rate are 5~80s^-1, acount deformation 0.06~0.69. The effects of Niobium content, T, ε and ε on the flow stress of steel were analysised, and a model of flow stress for these steels with precise draft were established. This model can be used for computer control in rolling mill.
- flow stress,
- flow stress mathematical model,
- true stress,
- high strength steel