Transactions of Materials and Heat Treatment

Title：Numerical simulation research on macrostructure and microstructure evolution of drum-shaped ring blank rolling

Authors： Xu Jun Huang Yao Wang Leigang

Unit： Jiangsu University

KeyWords： drum-shaped ring blank ring rolling dynamic recrystallization grain size

ClassificationCode：TG335

year,vol(issue):pagenumber：2016,41(6):32-37

Abstract：

According to the drum-shaped ring blank, a three-dimensional finite model of ring radial-axial rolling was established, and the coupled simulation of the macroscopic deformation on drum-shaped ring blank rolling was carried out by Simufact software. Then, the distribution and evolution regulations of temperature, equivalent strain, grain size and dynamic recrystallizaion were investigated during the rolling rum-shaped ring blank. Furthermore, the influences of various radial feed of every rotation on grain size in ring rolling process were studied. The results show that the maximum volume fraction of dynamic recrystallization occurs on the internal and external edges of the ring blank with the minimum grain size, and volume fraction on internal and external, top and bottom surface ranked secondly. Therefore, the minimum volume fraction of dynamic recrystallization occurs on the centre of the ring blank with the maximum grain size. Thus, the dynamic recrystallization region can be enlarged by increasing radial feed of every rotation to obtain the ring forging with the fine recrystallization grain.

Funds：

基金项目:国家自然科学基金资助项目(51257216)

作者简介：徐俊（1991-），男，硕士研究生 E-mail：xujun0112@foxmail.com 通讯作者：黄瑶（1964-），女，硕士，副教授 E-mail：592177388@qq.com

Reference：

［1］华林,黄兴高,朱春东. 环件轧制理论和技术[M] 北京: 机械工业出版社,2001.Hua L, Huan X G, Zhu C D. Theory and Technology of Ring Rolling[M]. Beijing: China Machine Press,2001.

［2］胡正寰,刘晋平.零件轧制技术的现状与展望[J].航空制造技术,2004,(3):49-51.Hu Z H, Liu J P. Present status and prospect of part rolling technology[J].Aeronautical Manufacturing Technology,2004,(3):49-51.

［3］蒲思洪,孙莉芳,王龙祥，等. 径-轴双向环轧工艺的研究进展[J]. 精密成形工程,2010,2(4):43-47,71.Pu S H, Sun L F, Wang L X,et al. Research progress in radial-axial ring rolling[J]. Journal of Netshap Forming Engineering,2010,2(4):43-47,71.

［4］王敏,杨合,郭良刚,等.环件热辗扩成形有限元建模仿真研究进展[J].中国有色金属学报,2011,21(7):1647-1655.Wang M, Yang H, Guo L G,et al. Research development of finite element modeling and simulation of hot ring rolling[J].The Chinese Journal of Nonferrous Metals,2011,21(7):1647-1655.

［5］Allwood J M, Tekkaya A E, Stanistreet T F. The development of ring rolling technology[J]. Steel Res. Int., 2005, 76: 111-120.

［6］姚泽坤.锻造工艺学与模具设计[M].西安: 西北工业大学出版社,1998.Yao Z K. Forging Technology and Die Design[M].Xian: Northwestern Polytechnical University Press,1998

［7］贺佳阳, 王雷刚, 黄瑶, 等. 环件轧制过程鼓形毛坯变化规律及塌边缺陷分析[J].锻压技术,2014,39(3):47-51.He J Y, Wang L G, Huang Y, et al. Change law of drum-shaped blank in the rolling process and analysis of collapse defect[J]. Forging & Stamping Technology,2014,39(3):47-51.

［8］Sun Zhichao, Yang He, Ou Xinzhe. Effects of process parameters on microstructural evolution during hot ring rolling of 5140 steel[J]. Computational Materials Science, 2010, 49: 134-142.

［9］Zhu S, Yang H, Guo L G, et al. Investigation of deformation degree and initial forming temperature dependences of microstructure in hot ring rolling of TA15 titanium alloy by multi-scale simulations[J]. Materials Science and Engineering, 2011, 12: 220-229.

［10］李洪伟,付建华.大型环件热辗扩数值模拟与实验研究[J].山西冶金,2007,(4):19-21.Li H W, Fu J H. Research and numerical simulation on hot rolling large ring[J].Shanxi Metallurgy,2007,(4):19-21.

Service：

【This site has not yet opened Download Service】【Add Favorite】