典型文献
Tuning of frictional properties in torsional contact by means of disk grading
文献摘要：
The contact of two surfaces in relative rotating motion occurs in many practical applications,from mechanical devices to human joints,displaying an intriguing interplay of effects at the onset of sliding due to the axisymmetric stress distribution.Theoretical and numerical models have been developed for some typical configurations,but work remains to be done to understand how to modify the emergent friction properties in this configuration.In this paper,we extend the two-dimensional(2D)spring-block model to investigate friction between surfaces in torsional contact.We investigate how the model describes the behavior of an elastic surface slowly rotating over a rigid substrate,comparing results with analytical calculations based on energy conservation.We show that an appropriate grading of the tribological properties of the surface can be used to avoid a non-uniform transition to sliding due to the axisymmetric configuration.
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作者姓名：
Gianluca COSTAGLIOLA;Federico BOSIA;Nicola M PUGNO
作者机构：
Civil Engineering Institute,école Polytechnique Fédérale de Lausanne,Lausanne 1015,Switzerland;Department of Applied Science and Technology,Politecnico di Torino,Corso Duca degli Abruzzi 24,Torino 10129,Italy;Laboratory for Bioinspired,Bionic,Nano,Meta Materials&Mechanics,Department of Civil,Environmental and Mechanical Engineering,University of Trento,Trento 38123,Italy;School of Engineering and Materials Science,Queen Mary University of London,London E1 4NS,UK
文献出处：
引用格式：
[1]Gianluca COSTAGLIOLA;Federico BOSIA;Nicola M PUGNO-.Tuning of frictional properties in torsional contact by means of disk grading)[J].摩擦（英文）,2022(05):787-802
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AB值：
0.623471
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