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MODELING OF STATIC RECRYSTALLIZATION KINETICS OF Nb-BEARING STEELS D. Wu1,S.H. Jiao2,L.Q. Ma1,X.Q. Yuan1,Z.Y. Liu1 (1.The State Key Laboratory of Rolling and Automation, Northeastern University... as a function of true strain, initial austenite grain size and the Nb content.The activation energy of static recrystallization (Qrex) was expressed as a function of the content of different alloy......
reveals a wide scatter in the predictions for the static recrystallization kinetics of steels. The powers of the deformation variables, strain and strain rate, similarly as the power of the grain size... words:physical simulation; static recrystallization; regression modeling; hot working; steel; [全文内容正在添加中] ......
Static recrystallization behavior of a martensitic heat-resistant stainless steel 403NbZhouyu ZENG,Liqing CHEN,Fuxian ZHU and Xianghua LIU State Key Laboratory of Rolling and Automation,Northeastern University,Shenyang 110819,China摘 要:A static recrystallization behavior between the rolling passes of a martensitic heat-resistant stainless steel 403Nb has......
Static Recrystallization Behavior of Inconel 718 Alloy during Thermal Deformation魏先平1,2,ZHENG Wenjie2,SONG Zhigang2,LEI Ting1,YONG Qilong2,XIE Qingcheng31. Faculty of Metallurgical and Energy... was applied to analyze the experimental dates. Finally, the static recrystallization fraction was obtained. At the same times, optical microscope(OM) and transmission electron microscopy(TEM) were employed......
403Nb叶片钢高温热压缩静态再结晶研究宁小智1,2,王立民2,刘正东2,杨钢2,张家涛-2(1.云南省昆明市昆明理工大学材料与冶金工程学院2.北京市钢铁研究总院结构所)摘 要:利用Gleeble-3500热模拟试验机对403Nb马氏体叶片钢进行二道次高温热压缩试验,对不同温度,应变速率,道次间隔下发生的静态再结晶进行了研究和计算,得到403Nb静态再结晶,静态再结晶激活能和静态再结晶晶粒尺寸模型.关键词:403Nb叶片钢; 静态再结晶; 再结晶激活能......
are the orientation of the analyzed site i and its neighboring site j, respectively, and δSiSj is the Kronecker delta function 3 SIMULATION MODELS 3.1 Nucleation model Static recrystallization... evolution of Ti-15-3 alloy in hot compression deformation[15]. Static recrystallization microstructure appears after solution treatment at 800℃ for 20min. The simulation is run by assuming......
Static recrystallization behavior of hot-deformed magnesium alloy AZ31 during isothermal annealing YANG Xu-yue(杨续跃)1, ZHU Ya-kun(朱亚坤)1, H. MIURA2, T. SAKAI2 1. School of Materials Science...; Abstract: The static recrystallization of hot-deformed magnesium alloy AZ31 during isothermal annealing was studied at temperature of 503 K by optical and SEM/EBSD metallographic......
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Orientations of nuclei during static recrystallization in a cold-rolled Mg-Zn-Gd alloyL.Y.Zhao1,2,H.Yan1,R.S.Chen1,En-Hou Han11. The Group of Magnesium Alloys and Their Applications, Institute... distribution of nuclei is associated with nucleation mechanism.The continuous static recrystallization nuclei display similar orientations to the parent grains with TD orientation.Differently......
and Engineering,Ministry of Education,Central South University,Changsha 410083,China)Abstract:The microstructure evolution and the kinetics analysis of static recrystallization during annealing of multiple forged...,the fully static recrystallization occurs and some grains grow up; at the annealing temperature of 200 ℃,the volume fraction of recrystallized grains is about 70% at the annealing time of 360 s,and some......