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An Experimental Study of Pipkin-Rogers Model for Automotive Bushing  

Kim, Sung-Jin (인제대학교 대학원 기계공학과)
Lee, Su-Young (인제대학교 대학원 기계공학과)
Lee, Seong-Beom (인제대학교 기계자동차공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.22, no.11, 2005 , pp. 118-124 More about this Journal
Abstract
An automotive bushing is a device used in automotive suspension systems to reduce the load transmitted from the wheel to the frame of the vehicle. A bushing is a hollow cylinder, which is bonded to a solid steel shaft at its inner surface and a steel sleeve at its outer surface. The relation between the force applied to the shaft and the relative deformation of a bushing is nonlinear and exhibits features of viscoelasticity. In this paper, an automotive bushing is regarded as nonlinear viscoelastic incompressible material. Instron 8801 equipment was used for experimental res earch and ramp-to-constant displacement control test was used for data acquisition. Displacement dependent force relaxation function was obtained from the force extrapolation method and expressed as the explicit combination of time and displacement. Pipkin-Rogers model, which is the direct relation of force and displacement, was obtained and comparison studies between the experimental results and the Pipkin-Rogers results were carried out.
Keywords
Automotive bushing; Nonlinear viscoelastic incompressible material; Force relaxation function; Force extrapolation method; Pipkin-Rogers model;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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