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ON THE DYNAMIC CHARACTERISTICS OF MOULD-FILLING UNDER COUNTERGRAVITY

J.M Zeng , H. Gu and YH. Zhou (Institute of Materials Science , Guangxi University , Nanning 530004 , China Department of Materials Science and Engineering , Shanghai Jiaotong University , Shanghai 200030 , China)

金属学报(英文版)

In this paper, the mathematical models for mould-filling under counteramvity are derived on the basis of the principle of momentum. Dynamic processes of mould-filling are observed on a perspex model by means of high speed photography. The results indicate that the mould-filling under counterpmvity c...

关键词: casting , null , null

HYDRODYNAMIC SIMULATION TO MOLD FILLING UNDER COUNTER GRAVITY

J.M. Zeng and Y.H. Zhou 1) Institute of Materials Science , Guangxi University , Nanning 530004 , China 2) Department of Materials Science and Engineering , Shanghai Jiao Tong University , Shanghai 200030 , China

金属学报(英文版)

In situ observations of the flow morphology during mold filling under counter gravity are conducted on a perspex water model by means of flow visualization, high speed photography and pattern processing. The experimental results indicate that influences of the dynamic factors on flow morphology can ...

关键词: casting , null , null

A NEW METHOD FOR ANALYZING SOLIDIFICATION MICROSTRUCTURE OF MMCp

X.Q. Sun , J.M. Zeng and K. W. Zhou Institute of Materials Science , Guangxi University , Nanning 530004 , China

金属学报(英文版)

A new method of analyzing solidification miorostructures of MMCp (Metal Matrix Composite Reinforced by Particles) is proposed based on the principle of statistics in this paper. It is shown that the degree of dispersion of particles increases as crystal grain size and dendrite arm spacing (DAS) of t...

关键词: MMCp , null

COMPUTERIZED PREDICTION OF INTERACTION PARAMETERS AND PHASE DIAGRAMS OF CONTINUOUS SOLID SOLUTION OF BINARY ALLOY SYSTEMS

J. Guo (Department of Physics , Guangxi University , Nanning 530004 , China)

金属学报(英文版)

The artificial neural network method has been applied to the relationship between the atomic parameters and intemction packeters of binary alloy Phases, and the principle of thermodynamics in combination with artificial neural network method has been used for the computerized phase diagrams of conti...

关键词: antificial neural network; interaction parameter computerized phase diagram

THE RANGE OF AMORPHOUSFORM FOR Fe- Mo SYSTEM BY MECHANICAL ALLOYING

X.P.Zhong , Y.F.Ouyang , H.M. Cheng and W.M.Wu Departmentof Physics , Guangxi University , Nanning 530004 , China

金属学报(英文版)

Mechanicalalloyingof Fex Mo1 x( x = 0 2 0 9) with blend elements Fe and Mo powders havebeen performedina highenergyplantball. Theresultsindicatedthatthesolubilityof Fein Moor Moin Feis morethen 20at.% andthecomposition x ofamorphousofthissystem is in therangeof0 4 0 7 . Accordingtothethermo...

关键词: mechanicalalloying , null , null , null

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