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Finite-element analysis of a hot-rolling problem with nonlinear friction
An isothermal, steady-state, hot-rolling problem of a workpiece with rectangular profile is considered. The workpiece material is assumed to be rigid-plastic, strain-rate sensitive and slightly compressible. The existence of a thin layer is supposed, where nonlinear Siebel's type friction is assumed to hold. Several examples of rolling problems at different rolling conditions are solved numerically by an finite-element-secant-modulus method. Comparisons with experimental results are performed. The effect of the friction factor, workpiece reduction and rolling velocity on the relative contact velocity, roll pressure and effective strain rates is illustrated and discussed.
Finite-element analysis of a hot-rolling problem with nonlinear friction
An isothermal, steady-state, hot-rolling problem of a workpiece with rectangular profile is considered. The workpiece material is assumed to be rigid-plastic, strain-rate sensitive and slightly compressible. The existence of a thin layer is supposed, where nonlinear Siebel's type friction is assumed to hold. Several examples of rolling problems at different rolling conditions are solved numerically by an finite-element-secant-modulus method. Comparisons with experimental results are performed. The effect of the friction factor, workpiece reduction and rolling velocity on the relative contact velocity, roll pressure and effective strain rates is illustrated and discussed.
Finite-element analysis of a hot-rolling problem with nonlinear friction
Angelov, T. (author) / Nedev, A. (author)
Advances in Engineering Software ; 28 ; 555-561
1997
7 Seiten, 28 Quellen
Article (Journal)
English
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