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EFFECT OF INITIAL GRAIN SIZE ON STATIC RECRYSTALLIZA-TION SOFTENING IN Cr STEEL USING STRESS RELAXATION TECHNIQUE A.R.Morgridge1 (1.Mechanical Engineering Dept. of University of Ibadan, Ibadan, Nigeria) Abstract:Effect of initial grain size (I.G.S.) on static recrystallization softening in Cr steel(0.77wt.% CR) has been investigated through the use of interrupted hot compressiontests......
Dependence of Effective Anisotropy on Grain Size in Nanocrystalline Nd2Fe14B Hard Magnetic Material GAO Ruwei1,FENG Weicun1,Sun Guangfei3,Zhu Minggang2,HAN Guangbing1,Li Wei2 (1.School of Physics..., the partial exchange-coupling interaction model was established and the dependence of effective anisotropy constant Keff on grain size was investigated. Calculation results reveal that the exchange......
Reverse-transformation austenite structure control with micro/nanometer sizeHui-bin Wu1,2,Gang Niu1,2,Di Tang1,21. Collaborative Innovation Center of Steel Technology,University of Science and Technology Beijing摘 要:To control the reverse-transformation aus......
Effect of graphite particle size on wear property of graphite and Al2O3 reinforced AZ91D-0.8%Ce composites ZHANG Mei-juan(张美娟), LIU Yong-bing(刘勇兵), YANG Xiao-hong(杨晓红), AN Jian(安 健), LUO Ke... property of the composites, were performed under the condition of constant contents of graphite particles and Al2O3 short fibers. The results reveal that the grain size of the composites changes less when......
size least mean square algorithm TIAN Bao-feng(田宝凤)1, 2, ZHOU Yuan-yuan(周媛媛)2, ZHU Hui(朱慧)2, JIANG Chuan-dong(蒋川东)1, 2, YI Xiao-feng(易晓峰)1, 2 1. Key Laboratory of Geo-Exploration Instrumentation... of this system with theoretical calculation and experiments was analyzed and a modified sigmoid variable step size least mean square (SVSLMS) algorithm for noise cancellation was presented......
从选金尾矿中提取绢云母微粉新材料刘洪兴1,王仁生1,潘咏梅1,刘红1,刘卫华1(1.山东省威海市乳山市乳山市大业金矿)摘 要:乳山市大业金矿选金尾矿中绢云母含量高达23.3%.文中采用尾矿粗砂再磨,预选脱硫,贵金属矿物二次回收,脱硫尾矿再分级回收绢云母的选矿工艺,分别得到一级品,二级品,三级品3个等级的绢云母新材料,平均粒径达到3.59μm.该项目具有投资少,成本低,材料性能好,价格优的明显优势,经济效益,环境效益显著,值得借鉴和推广.关键词:选金尾矿； 浮选； 分级； 绢云母； 新材料......
: bauxite; reverse flotation; air-sparged hydrocyclone; separation size 随着铝土矿选矿研究...量及原矿粒度组成如表1和2所列. 表1 原矿的化学成分 Table 1 Chemical composition of raw ore (mass fraction, %) 表2 原矿的粒度组成 Table 2 Size composition of raw ore 1.3 试验方法 浮选实验在自行设计的旋流浮选器中进......
J. Cent. South Univ. (2018) 25: 3021-3032 DOI: https://doi.org/10.1007/s11771-018-3971-9 Effects of initial bubble size on geometric and motion characteristics of bubble released in water KANG Can... Germany, part of Springer Nature 2018 Abstract: To seek and describe the influence of bubble size on geometric and motion characteristics of the bubble, six nozzles with different outlet diameters were......
有相似的变化趋势; 管口的倒角效应随着D/d的变化而变化, D/d越小, 管口的倒角效应越明显. 关键词: 粒子; 管道; 特征尺度; 尺度效应 中图分类号:TK124 文献标识码:A 文章编号: 1672-7207(2005)03-0422-04 Size effects for particles passing through ducts JIANG Li1, ZHOU...: The nature length of particles and ducts was described, and particles through ducts were analyzed in order to study the size effects of the mutual relations between particles and ducts when particles......
Effect of TiC particle size on microstructure and mechanical properties of 1%TiCp/W composites YU Fu-wen(于福文)1, WU Yu-cheng(吴玉程)1, CHEN Yong(陈 勇)1, DENG Jing-quan(邓景泉)1, CHEN Jun-ling(陈俊凌... temperature. The results show that both n-TiC and μ-TiC particles are homogeneously distributed in the as-sintered composites. The size of n-TiC particle is about 100 nm, and that of μ-TiC particle......
