冷拔高碳钢丝在退火过程的性能及织构演变
Properties and Texture Evolution of Cold Drawn High Carbon Steel Wires during Annealing Process
摘 要
采用电子背散射衍射技术分析了冷拔高碳钢丝在600 ℃退火过程(0~4 h)中的织构变化, 并采用扫描电镜和显微硬度计研究了此过程中钢丝的显微组织和显微硬度的变化。结果表明: 该钢丝在600 ℃退火过程中, 随着退火时间的延长, 显微组织由纤维状转变为等轴晶, 硬度显著下降; 不同时间退火后的织构与拉拔态的织构类型相同, 以〈110〉丝织构为主、还有{111}〈110〉和{001}〈110〉环状丝织构; 但随着退火时间延长, 〈110〉丝织构强度下降。
冷拔
退火
再结晶
织构
steel wire
cold drawing
annealing
recrystallization
texture
Abstract
Electronic backscattering diffraction (EBSD) technology was used to research the texture evolution of the cold drawn high carbon steel wires during annealing process at 600 ℃. The microstructure and microhardness of the steel wires were researched by means of scanning electronic microscope and microhardness tester. The results show that during the annealing process at 600 ℃, with the prolongation of annealing time, the microstructure trans-formed from fibrous grains to equiaxed grains, the hardness decreased obviously. The texture type of the wires annealed for different times was the same as that of the as-drawn wires, which were main 〈110〉 fiber texture with some {111}〈110〉 and {001}〈110〉 circular fiber texture. With the prolongation of annealing time, the 〈110〉 fiber texture intensity decreased.
中图分类号 TG142.1
所属栏目
基金项目 国家科技支撑计划资助项目(2007BAE15B05); 江苏省产学研前瞻性联合项目(BY2009154)
收稿日期 2010/1/5
修改稿日期 2010/7/19
网络出版日期
作者单位点击查看
备注姚小燕(1985-), 女, 江苏南通人, 硕士研究生。
引用该论文: YAO Xiao-yan,HUANG Hai-bo,LI Fan. Properties and Texture Evolution of Cold Drawn High Carbon Steel Wires during Annealing Process[J]. Materials for mechancial engineering, 2011, 35(1): 29～32
姚小燕,黄海波,李凡. 冷拔高碳钢丝在退火过程的性能及织构演变[J]. 机械工程材料, 2011, 35(1): 29～32
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参考文献
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【4】CORDIER-ROBERT C, FORFERT B, BOLLE B, et al. Influence of torsion deformation on microstructure of cold-drawn pearlitic steel wire[J].Mater Sci, 2008, 43: 1241-1248.
【5】LIU Yan-dong, JIANG Qi-wu, WANG Gang, et al. Influence of microstructures and textures on the torsional behavior of pearlitic wires[J].Journal of Materials Science & Technology, 2005, 21(3): 357-360.
【6】ZHANG G X, WANG C X, LU X M, et al. Microstructure evolution and mechanical hardening of hypereutectoid pearltic steel during cold rolling[J].Acta Metallurgica Sinica, 2007, 20(4): 287-292.
【7】刘沿东.金属线材织构的精确测定方法及应用[D].沈阳: 东北大学, 2003.
【8】姚旭升, 刘沿东, 张正贵, 等.冷拉拔纯铁丝在退火过程中的显微组织与织构演变[J].机械工程材料, 2009, 33(4): 14-17.
【9】READ H G. Quantitative texture analysis of 20 μm dual-phase α+α’ steel wire[J].Scripta Materials, 1997, 36(8): 921-928.
【10】赵骧, 何长树, 徐俊, 等.退火时间对IF深冲钢板再结晶织构的影响[J].东北大学学报, 2006, 27(12): 1343-1346.
【11】COURTAS S, GREGOIRE M, FEDERSPIEL X, et al. Electron backscattered diffraction (EBSD) use and applications in newest technologies development[J].Microelectronics Reliability, 2006, 46(9/11): 1530-1535.
【12】WRIGHT S I, FIELD D P, NOWELL M. The applicability of conventional fiber texture analysis techniques in electron backscatter diffraction[J].Materials Science Forum, 2003, 426/432(4): 3685-3690.
【13】陈家光, 曹圣泉.低碳钢显微结构的EBSD表征[J].物理测试, 2005, 23(2): 1-6.
【14】胡庚祥, 蔡珣.材料科学基础[M].上海: 上海交通大学出版社, 2000.
【15】ZOLOTOREVSKYN Y, KPIVONOSOVAN Y. Effect of ferrite crystals’ plastic anisotropy on residual stresses in cold-drawn steel wire[J].Materials Science and Engineering A, 1996, 205: 239-246.
【16】袁韧.钽丝的退火织构和再结晶机理的研究[D].长沙: 中南大学, 2002.
【17】MAO Wei-min. Influence of rolling reduction on recrystallization texture in commercially pure Al[J].Journal of Materials Science and Technology, 1990, 6: 257-262.
【18】SANDIM H R Z, MARTIN J P, PADILHA A F. Orientation effects during grain subdivision and subsequent annealing in coarse-grained tanalum[J].Scripta Materialia, 2001, 45: 733-738.
【19】PARK Y B, LEE D N, GOTTSTEIN G. The evolution of recrystallization textures in body centered cubic metals[J].Acta Mater, 1998, 46(10): 3371-3379.
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