Paper Titles
Preface
Microstructural Characterization of Thermal Barrier Coatings Deposited by APS and LPPS Thin Film Methods
p.1
The Influence of e-Beam Irradiation on the Morphology and Functional Properties of UHMWPE
p.6
The Influence of Plastic Deformation on Structure of Highly Crosslinked UHMWPE Intended for Endoprosthesis Cups
p.13
Changes in the Molecular Structure of UHMW Polyethylene under the Influence of Thermal and Radiation Modification, as Well as Time
p.19
The Effect of B and Microalloying Elements (V, Ti, Nb) Additions on the Austenite Grain Growth of Low Alloy Steel
p.25
Comparison of Mechanical Properties of Mn-Cr-Mo Steels Sintered in Different Conditions
p.33
Application of Convex Hull Algorithm for Defect Detection in Selected Biological Materials
p.41
Changes in Microstructure of GX12CrMoVNbn9-1 Cast Steel after Low Cycle Fatigue
p.47

The Influence of Plastic Deformation on Structure of Highly Crosslinked UHMWPE Intended for Endoprosthesis Cups

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Abstract:

In this paper, an attempt has been made to determine the changes in the structure of UHMWPE under the influence of deformation, which can be the cause of the decrease of functional properties. It has been found that the degree of cross-linking slightly changes due to operational loads (deformation ef=0.15-0.6). The deformation leads, however, to the systematic lowering of the degree of crystallinity and an insignificant decrease of lamella width. Tests of wide- and small-angle X-ray scattering (WAXS, SAXS) prove that this is the result of operational deformation causing a rather weak texture of crystals and the fragmentation of some lamellae. Anisotropy of the lamellar structure also takes place, which changes 2D SAXS images into ellipses with a rapidly growing axial ratio with ef value.

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Periodical:

Solid State Phenomena (Volume 197)

Pages:

13-18

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.197.13

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Online since:

February 2013

Authors:

Joanna Maszybrocka, Jerzy Cybo, Jan Cwajna, Adrian Barylski, Piotr Czaja

Keywords:

Crosslinking Density, Degree of Crystallinity, Electron Beam Irradiation, Free Radical, Lamellar Structure, Oxidation, Thermal Processing, UHMWPE

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] A.A. Edidin, C.M. Rimnac, S.M. Kurtz, Mechanical behaviour, wear surface morphology and clinical performance of UHMWPE acetabular components after 10 years of implantation, Wear 250 (2005) 152-158.

DOI: 10.1016/s0043-1648(01)00616-0

Google Scholar

[2] A. Buford, T. Goswami, Review of wear mechanisms in hip implants: Paper I - General, Mat. Des. 25 (2004) 385-393.

DOI: 10.1016/j.matdes.2003.11.010

Google Scholar

[3] G. Lewis, Properties of crosslinked ultra-high-molecular-weight polyethylene, Biomaterials 22 (2001) 371-401.

DOI: 10.1016/s0142-9612(00)00195-2

Google Scholar

[4] A. A. Edidin, L. Pruitt, Ch. W. Jewett, D. J. Crane, D. Roberts, S. M. Kurtz, Plasticity-induced damage layer is a precursor to wear in radiation-cross-linked UHMWPE acetabular components for total hip replacement, J. Arthroplasty 14 (1999).

DOI: 10.1016/s0883-5403(99)90086-4

Google Scholar

[5] M. C. Sobieraj, S. M. Kurtz, C. M. Rimnac, Large deformation compression induced crystallinity degradation of conventional and highly crosslinked UHMWPEs, Biomaterials 26 (2005) 6430-6439.

DOI: 10.1016/j.biomaterials.2005.04.008

Google Scholar

[6] Z. Bartczak., M. Kozanecki, Influence of molecular parameters on high-strain deformation of polyethylene in the plane-strain compression. Part I. Stress-strain behavior, Polymer 46 (2005) 8210-8221.

DOI: 10.1016/j.polymer.2005.06.100

Google Scholar

[7] Z. Bartczak, E. Lezak, Evolution of lamellar orientation and crystalline texture of various polyethylenes and ethylene-based copolymers in plane-strain compression, Polymer 46 (2005) 6050-6063.

DOI: 10.1016/j.polymer.2005.04.092

Google Scholar

[8] B. Wunderlich, G. Czornyj, A study of equilibrium melting of polyethylene, Macromolecules 10 (1977) 906-913.

DOI: 10.1021/ma60059a006

Google Scholar

[9] J. Cybo, J. Maszybrocka, P. Duda, Z. Bartczak, A. Barylski, S. Kaptacz, Properties of ultrahigh-molecular-weight polyethylene with a structure modified by plastic deformation and electronbeam irradiation, J. Appl. Polym. Sci. 125 (2012) 4197-4208.

DOI: 10.1002/app.36572

Google Scholar

[10] Z. Bartczak, R.E. Cohen, A.S. Argon, Evolution of the crystalline texture of high-density polyethylene during uniaxial compression, Macromolecules 25 (1992) 4692-4704.

DOI: 10.1021/ma00044a034

Google Scholar