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occur during multistage hot deformation, such as hot-rolling and hot-forging, results from the balance achieved between work hardening and softening. Utilization of the restoration mechanism during... Dynamic softening behaviors of 7075 aluminum alloy QUAN Guo-zheng(权国政)1, LIU Ke-wei(刘克威)1, ZHOU Jie(周 杰)1, CHEN Bin(陈 斌)2 1. School of Material Science and Engineering, Chongqing University......
Deforming mechanism of non-mandrel drawing process of circular aluminium tube by simulation QUAN Guo-zheng(权国政), ZHOU Jie(周 杰), WANG Meng-han(王梦寒), QUAN Guo-hui(权国辉), TONG Ying(佟 莹) College... to the primary tube blank. 4 Conclusions 1) Based on the 3D dynamics model and elasto-plastic FE model, an effective method to study the deforming mechanism of non-mandrel drawing process of circular aluminium......
J. Cent. South Univ. Technol. (2009) 16: 0653-0657 DOI: 10.1007/s11771-009-0108-1 Estimation of compaction grouting pressure in strain softening soils YANG Xiao-li(杨小礼), ZOU Jin-feng(邹金锋..., according to the softening elastic-plastic model based on the conventional triaxial compression tests to simulate the strain softening soils. The small strain in the elastic zone and large stain......
recrystallization softening effect under elevated temperature HUANG Yuan-chun(黄元春)1, 2, LI Ming(李明)1, MA Cun-qiang(马存强)3,XIAO Zheng-bing(肖政兵)1, 2, LIU Yu(刘宇)1 1. Light Alloy Research Institute, Central South... and the strain rate decreased. Meanwhile, the net softening rate caused by dynamic recrystallization is determined based on the stress-dislocation relationship. It can be found that the value of net......
00Cr22Ni5Mo3N热变形动态软化机理研究宋志刚1,郑文杰1,杨卓越1,刘骁1,丰涵1(1.北京市钢铁研究总院)摘 要:通过平面应变压缩的试验方法,研究了变形温度对00Cr22Ni5Mo3N热塑性的影响,并通过TEM观察,探讨00Cr22Ni5Mo3N两相组织热变形动态软化机理.结果表明,变形温度对00Cr22Ni5Mo3N试样的峰值应力影响显著,在热变形过程中,其铁素体相的软化通过动态回复及再结晶实现,而奥氏体相的软化则只能通过动态回复实现.关键词:00Cr22Ni5Mo3N； 热变形； ......
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recrystallization is relatively small at higher deformation temperatures and lower strain rates. In this stage, the continuous dynamic recrystallization is dominant in terms of the softening mechanism...Trans. Nonferrous Met. Soc. China 26(2016) 1044-1054 Effect of strain rate and deformation temperature on strain hardening and softening behavior of pure copper Shu-hai HUANG, Da-yu SHU, Chuan-kai HU......
main softening mechanism could be summarized as dynamic recovery and precipitation coarsening for the LCR alloy and dynamic precipitation for the HCR alloy.关键词:...Dynamic softening and microstructural evolution during hot deformation of Al-Cu-Mg-Zr alloys with different homogenization cooling ratesGuo-Wei Bo1,Guan Wang2,Fu-Lin Jiang1,Can Liu1,Rong Chen1,Hui......
J. Cent. South Univ. (2017) 24: 2805-2812 DOI: https://doi.org/10.1007/s11771-017-3695-2 Influence and mechanism of Indonesia vanadium titano-magnetite on metallurgical properties of iron ore sinter... of Indonesia VTM in mixed sintering materials were investigated, including low-temperature reduction degradation index (RDI), reducibility index (RI), and softening/melting properties. Additionally......
increases with longer interstage delay time. The static recovery is the main softening mechanism. Subgrain coalescence and subgrain growth together with particle-stimulated nucleation are the main nucleation...Static softening behaviors of 7055 alloy during the interval time of multi-pass hot compressionLiang-Ming Yan1,Jian Shen2,Jun-Peng Li3,Bai-Ping Mao21. School of Materials Science and Engineering......
