Acta Metall Sin  1992, Vol. 28 Issue (4): 17-20    DOI:

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ON THE ADOPTION OF λ_0 VALUE FOR ROSCOE'S EQUATION

GUO Wenquan;WANG Jingtang Laboratory of Rapidly Solidified Non-Equilibrium Alloys; Institute of Metal Research; Academia Sinica; Shenyang

GUO Wenquan;WANG Jingtang Laboratory of Rapidly Solidified Non-Equilibrium Alloys; Institute of Metal Research; Academia Sinica; Shenyang. ON THE ADOPTION OF λ_0 VALUE FOR ROSCOE'S EQUATION. Acta Metall Sin, 1992, 28(4): 17-20.

Abstract References Related Articles Recommended Metrics Download:  PDF(335KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Considering the availability and derivation of Roscoe's equation for absoluteviscosity calculation, the method to adopt λ_0 value, so-called λ_f, was proposed by experimen-tally determining relational curve of the measured height,H,of metal melt vs logarithmicoscillation decrement,λ, extrapolating H into zero, if such corresponding λ value is taken. Ex-perimental results show that the proposed method not only satisfies the availability of originalequation but also eliminate the effects of:"end and slippage", so as to improve the accuracy forliquid Cu and Sn examinations. Key words:  liquid metal      viscosity      Roscoe's equation      oscillational decrement      Received:  18 April 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1992/V28/I4/17 1 Knappwost A. Z Metallk, 1948; 39: 314 2 Wang Jingtang, Pang Dexing, Ding Bingzhe, Bian Maoshu, Li Shuling. Z Phys Chem, 1988; 156: 599 3 Roscoe R. Proc Phys Soc, 1958; 72: 576 4 饭田孝道,佐藤明夫,石裹真治,石黑进,森田善一郎.日本金属学会志,1980;44:443 5 饭田孝道,熊田登志也,鹫尾胜,森田善一郎.日本金属学会志,1980;44:1392 6 饭田孝道,森田善一郎.日本金属学会会报,1980;19:655 7 Thresh H R. Trans Metall Soc AIME, 1965; 233: 79 8 Hopkins M R, Toye T C. Proc Phys Soc London, 1950; B63: 773 9 饭田孝道,森田善一郎,竹内栄.日本金属学会志,1975;39:1169z [1] WU Xinqiang, RONG Lijian, TAN Jibo, CHEN Shenghu, HU Xiaofeng, ZHANG Yangpeng, ZHANG Ziyu. Research Advance on Liquid Lead-Bismuth Eutectic Corrosion Resistant Si Enhanced Ferritic/Martensitic and Austenitic Stainless Steels[J]. 金属学报, 2023, 59(4): 502-512. [2] Lin LIU, Dejian SUN, Taiwen HUANG, Yanbin ZHANG, Yafeng LI, Jun ZHANG, Hengzhi FU. Directional Solidification Under High Thermal Gradient and Its Application in Superalloys Processing[J]. 金属学报, 2018, 54(5): 615-626. [3] Yachao SUN, Minggang ZHU, Rui HAN, Xiaoning SHI, Nengjun YU, Liwei SONG, Wei LI. Magnetic Viscosity of Anisotropic Rare Earth Permanent Films[J]. 金属学报, 2018, 54(3): 457-462. [4] Jianglei ZHU, Qing WANG, Haipeng WANG. Thermophysical Properties and Atomic Distribution of Undercooled Liquid Cu[J]. 金属学报, 2017, 53(8): 1018-1024. [5] Xu YANG, Bo LIAO, Jian LIU, Wei YAN, Yiyin SHAN, Furen XIAO, Ke YANG. Embrittlement Phenomenon of China Low Activation Martensitic Steel in Liquid Pb-Bi[J]. 金属学报, 2017, 53(5): 513-523. [6] Liu CAO, Fei SUN, Tao CHEN, Zihao TENG, Yulong TANG, Dunming LIAO. Numerical Simulation of Liquid-Solid Conversion Affecting Flow Behavior During Casting Filling Process[J]. 金属学报, 2017, 53(11): 1521-1531. [7] Weidan LI,Xiaohua TAN,Kezhi REN,Jie LIU,Hui XU. MAGNETIC VISCOSITY BEHAVIOR AND EXCHANGE INTERACTION FOR Nd2Fe14B/α-Fe NANOCOMPOSITE PERMANENT ALLOYS[J]. 金属学报, 2016, 52(5): 561-566. [8] Ke YANG, Wei YAN, Zhiguang WANG, Yiyin SHAN, Quanqiang SHI, Xianbo SHI, Wei WANG. DEVELOPMENT OF A NOVEL STRUCTURAL MATERIAL (SIMP STEEL) FOR NUCLEAR EQUIPMENT WITH BALANCED RESIS-TANCES TO HIGH TEMPERATURE, RADIATION AND LIQUID METAL CORROSION[J]. 金属学报, 2016, 52(10): 1207-1221. [9] WANG Songwei, WANG Xiaodong, NI Mingjiu, ZHANG Xinde, WANG Zenghui,NA Xianzhao. LIQUID METAL FLOW DRIVEN BY A MODULATED HELICAL MAGNETIC FIELD[J]. 金属学报, 2013, 49(5): 544-552. [10] LIU Qinghua,HUANG Yujin,LIU Jian,HU Qiaodan,LI Jianguo . MICROSTRUCTURE AND CRYSTAL ORIENTATION OF THE STEADY GROWTH ZONE IN THE DIRECTION ALLY SOLIDIFIED Ni-Fe-Ga-Co MAGNETIC SHAPE MEMORY ALLOYS[J]. 金属学报, 2013, 29(4): 391-398. [11] . FORMATION OF SOLIDIFICATION AND HOMOGENISATION MICROPORES IN TWO SINGLE CRYSTAL SUPERALLOYS PRODUCED BY HRS AND LMC PROCESSES[J]. 金属学报, 2012, 48(10): 1237-1247. [12] WANG Hongyan LIN Xin WANG Lilin MA Liang YANG Donghui HUANG Weidong. COUPLING EFFECT ON RHEOLOGY AND MICROSTRUCTURE OF SEMI-SOLID SCN-5H2O MODEL ALLOY[J]. 金属学报, 2011, 47(9): 1123-1128. [13] LIN Ben WANG Baoshun ZHANG Maicang DONG Jianxin. RESEACH ON LUBRICATION IN HOT EXTRUSION OF G3 CORROSION RESISTANT Ni–BASED ALLOY TUBE II. Calculation and Application of Glass Lubricant Viscosity–Composition[J]. 金属学报, 2011, 47(3): 374-379. [14] WEN Peng Shinozaki Kenji Yamamoto Motomichi. HIGH SPEED AND HIGH MAGNIFICATION IN SITU OBSERVATION OF RESIDUAL LIQUID METAL DURING LASER WELDING PROCESS[J]. 金属学报, 2011, 47(3): 305-310. [15] GE Bingming LIU Lin ZHANG Shengxia ZHANG Jun LI Yafeng FU Hengzhi. INFLUENCE OF WITHDRAWAL RATE ON MICROSTRUCTURES OF BLADE SHAPED DIRECTIONALLY SOLIDIFIED DZ125 SUPERALLOY[J]. 金属学报, 2011, 47(11): 1470-1476. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed