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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 4    December 1995

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ANALYSIS OF DRAWING UNDER LUBRICATION OF NON-NEWTONIAN LUBRICATING MATERIALS
Lei Zhanbo1; Wang Zhanxue2; Gao Youzhi2

1.Department of Mechanical Engineering; Tsinghua University; Beijing 100084;
2.Department of Metal Processing; Northeastern University; Shenyang 110006

Abstract:Based on the rheologic features of non-Newtonian materials,an equation of the drawing under the lubrication of non-Newtonian lubricating material through upper-bound analysis was presented.The equation includes the theoretical results of Avitzur B under the lubrication conditions of invaricant fricition factor hydrodynamic lubricating,and an optimum thickness-diameter ratio is proposed,which is important for practical application.

 

Key words: drawing force rheology upper-bound method non-Newtonian material tribology

ISSN 1672-7029
CN 43-1423/U

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