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Study on ring compression test using physical modelling and FE simulation

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Title: Study on ring compression test using physical modelling and FE simulation
Authors: Robinson, T.1 t.robinson@qub.ac.uk, Ou, H. h.ou@qub.ac.uk, Armstrong, C.G.1 c.armstrong@qub.ac.uk
Source: Journal of Materials Processing Technology. Nov2004, Vol. 153-154, p54-59. 6p.
Subjects: Friction, Mechanics (Physics), Tribology, Calibration, Binding agents
Abstract: This paper presents a study of the ring compression test using physical modelling experiments and finite element (FE) simulation. Using commercially available modelling clay, material stress–strain relationships were obtained from compression tests of solid cylindrical specimens. A series of ring compression tests were carried out to obtain friction coefficients for a number of lubricants including vaseline, zinc stearate and talcum powder. FE simulations were used to derive the friction calibration curves and to evaluate material deformation, geometric changes and load–displacement results. Friction coefficient values of the tested lubricants are in agreement with the results obtained by other researchers. Further investigation is necessary to determine the effects of material properties, test conditions and use of calibration curves on the ring compression test. It is suggested that the combined use of physical modelling experiment and FE simulation provides a simple and effective means in the study of frictional mechanisms for bulk material deformation. [Copyright &y& Elsevier]
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Database: Engineering Source
Description
Abstract:This paper presents a study of the ring compression test using physical modelling experiments and finite element (FE) simulation. Using commercially available modelling clay, material stress–strain relationships were obtained from compression tests of solid cylindrical specimens. A series of ring compression tests were carried out to obtain friction coefficients for a number of lubricants including vaseline, zinc stearate and talcum powder. FE simulations were used to derive the friction calibration curves and to evaluate material deformation, geometric changes and load–displacement results. Friction coefficient values of the tested lubricants are in agreement with the results obtained by other researchers. Further investigation is necessary to determine the effects of material properties, test conditions and use of calibration curves on the ring compression test. It is suggested that the combined use of physical modelling experiment and FE simulation provides a simple and effective means in the study of frictional mechanisms for bulk material deformation. [Copyright &y& Elsevier]
ISSN:09240136
DOI:10.1016/j.jmatprotec.2004.04.045