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http://dx.doi.org/10.3795/KSME-B.2012.36.4.431

Viscoelastic Behavior of High Density Polyethylene Using High Tibial Osteotomy with Respect to the Strain Rate  

Hwang, Jung-Hoon (R&D Center, Triple-C Medical Corp.)
Kim, Cheol-Woong (Korea Univ. / Triple-C Medical Corp.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.36, no.4, 2012 , pp. 431-438 More about this Journal
Abstract
The mechanical behavior of the polymeric material, HDPE depends on both time and temperature. The study of the tensile behavior at different strain rates is important in engineering design of the orthopedics device such as X-band plate. The mechanical properties and deformation mechanisms of HDPE are strongly dependent on the applied strain rate. Generally, the deformation behavior of HDPE based on the stress-strain curve is complex because of the highly inhomogeneous nature of plastic deformation, particularly that of necking. Therefore, we attempted to determine the mechanical behavior of HDPE in this study. Normally, tensile testing under various strain rates of the HDPE has been used to determine the mechanical behavior. We performed tensile tests at various strain rates (1 to 500 %/min) to analyze the viscoelastic behavior on increasing the strain rate. A tensile stress-strain curve was plotted from the data, and the point of transition was marked to calculate the transition stress, strain, and modulus.
Keywords
High Density Polyethylene(HDPE); Strain Rate; Transition Stress; Secant Modulus; Viscoelastic Behavior; High Tibial Osteotomy(HTO);
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Times Cited By KSCI : 1  (Citation Analysis)
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