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of stainless steel during twin-roll strip casting was simulated by experiment and a finite element (FE) model. By comparing the measured result with the simulated values, it is found that they fit close to each...Numerical simulation of the temperature fields of stainless steel with different roller parameters during twin-roll strip castingYuan Fang1), Zhen-min Wang1), Qing-xiang Yang1,2), Yun-kun Zhang2), Li......
Numerical simulation of transport phenomena during strip casting with EMBr in a single belt casterGONG Hai-jun(龚海军)1, 2, LI Xin-zhong(李新中)1, XU Da-ming(徐达鸣)1, GUO Jing-jie(郭景杰)1(1. School... strip-casting metal delivery system. The bidirectional interaction between the STP and DC magnetic fields was simplified as a unilateral one, and the fully coupled solidification transport equations......
refine the grains of Mg-3Al-1Zn thin strip because the formation of Al2Ca and the finest grains are obtained by adding 0.08% Ca. Key words: magnesium alloy; twin-roll casting; thin strip; grain... alloy thin strip were also built in Australia[6], Korea[7], and Turkey[8]. In order to improve the process of twin-roll casting for magnesium alloy, numerical simulation for flow field and temperature......
: 297-326. [6] HAGA T, INUI H, WATARI H, KUMAI S. Semisolid casting of aluminum alloy strip and its properties [J]. Solid State Phenomena, 2006,116/117: 379-382. [7] HAGA T, SAKAGUCHI H, INUI H, WATARI H, KUMAI S. Aluminum alloy semisolid strip casting using an unequal diameter twin roll caster [J]. Journal of Achievements in Materials and Manufacturing Engineering, 2006, 14:157-162. [8] HAGA T......
Microstructural characteristics of near-liquidus cast AZ91D alloy during semi-solid die casting WANG Kai(王 开), LIU Chang-ming(刘昌明), ZHAI Yan-bo(翟彦博), ZOU Mao-hua(邹茂华) College... was prepared by die casting the semi-solid ingot into mould. The microstructural characteristics of AZ91D alloy in these processes were investigated. In the process of near-liquidus casting, primary......
双辊薄带连铸技术状况的调查分析张兴中1,廖鹏1,王明林1(1.北京市钢研科技集团公司 先进钢铁流程及材料国家重点实验室)摘 要:调查了双辊薄带铸轧生产线的运行状况.整理出其工业化应用所需要的基础数据,如用于相关设计和决策的连浇时间,作业率等.给出了生产能力的算例.利用经典的传热凝固理论和经验对双辊连铸的关键参数进行界定,导出了辊缝d(铸带厚度)和辊径D,液位h和最大浇铸速度Vcm的关系.分析了铁辊和铜辊的差异.总结分析了双辊铸带宏观偏析有别于连铸坯的现象和机制.关键词:双辊连铸； 薄带钢； 凝固；......
by gas atomization, melt spinning and strip casting respectively were outlined.The advantages, disadvantages and research development of the above methods for preparing hydrogen storage alloys were explained.The strip casting is a new special means for preparing AB5 rare earth hydrogen storage alloys of high performance and low cost, and the study of the strip casting for preparing hydrogen storage......
at straightening stage during continuous casting using finite element method YU Hai-liang(喻海良)1, 2, LIU Xiang-hua(刘相华)1 1. State Key Laboratory of Rolling and Automation, Northeastern University... at the straightening stage during continuous casting was simulated by the explicit dynamic finite element method, and the stress distribution along the width direction of the slab and its change......
Development of Strip Casting Technology in Rare Earth Permanent Magnet Alloys and Hydrogen Storage Alloys in China韩卫平,郭炳麟,喻晓军,祝景汉,程星华摘 要:The SC technique is now being applied widely in material preparation, especially in rare earth functional materials in virtue of its advanced process and high performance product. The applications of SC technique......
双合金结合速凝工艺制备烧结NdFeB研究 朱明刚1,徐志斌2 (1.钢铁研究总院功能材料研究所,北京,100081;2.西京学院机电工程系,陕西,西安,710123) 摘要:采用速凝工艺制备了主相合金铸片, 由其微观形貌分析可见,富Nd 相呈薄层状均匀分布在主相晶界处.XRD 分析表明铸带形成了明显的取向织构.使用普通熔炼方法熔炼几种不同成分的辅相合金.将主相合金与辅相合金配比,运用双合金法工艺制备出烧结NdFeB磁体.研究表明Pr替代Nd 有利于提高磁体的剩磁. 关键词:速凝工艺; 双合金工艺; 烧结NdFeB磁体; 稀土; strip casting technique; dual-alloy technology; sintered NdFeB magnets; rare earths; [全文内容正在添加中] ......
