Characterization of ultra-high-molecular-weight polyethylene (UHMWPE) modified by ion implantation

Antonino Valenza, Visco, Campo, Torrisi, Valenza

Risultato della ricerca: Article

91 Citazioni (Scopus)

Abstract

Surface modification of ultra high molecular weight polyethylene (UHMWPE) is induced by ion implantation of different ions at 300 keV energy. The aim of this work was the chemical, physical and mechanical characterization of the modified material in order to know deep inside about the effect of the ion beam upon the polymer. The irradiated surfaces are investigated by Raman spectroscopy, infrared absorption and micro-hardness analysis, scanning electron microscopy. Pin on disc measurements valuated the wear of the UHMWPE against a stainless steel probe; wear resistance increases of about 76% after the ion implantation. This result can be attributed to the ion bombardment inducing a micro-hardness increasing in the irradiated layers due to the high carbon surface concentration and cross-linking effects in the polymeric chains. The irradiated UHMWPE surfaces may find special applications to the field of the mobile prosthesis.
Lingua originaleEnglish
pagine (da-a)1707-1715
Numero di pagine9
RivistaPolymer
Volume45
Stato di pubblicazionePublished - 2004

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Ultrahigh molecular weight polyethylenes
Ion implantation
Microhardness
Stainless Steel
Infrared absorption
Ion bombardment
Ion beams
Wear resistance
Surface treatment
Raman spectroscopy
Polymers
Carbon
Stainless steel
Wear of materials
Ions
Scanning electron microscopy
ultra-high molecular weight polyethylene

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

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Characterization of ultra-high-molecular-weight polyethylene (UHMWPE) modified by ion implantation. / Valenza, Antonino; Visco; Campo; Torrisi; Valenza.

In: Polymer, Vol. 45, 2004, pag. 1707-1715.

Risultato della ricerca: Article

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abstract = "Surface modification of ultra high molecular weight polyethylene (UHMWPE) is induced by ion implantation of different ions at 300 keV energy. The aim of this work was the chemical, physical and mechanical characterization of the modified material in order to know deep inside about the effect of the ion beam upon the polymer. The irradiated surfaces are investigated by Raman spectroscopy, infrared absorption and micro-hardness analysis, scanning electron microscopy. Pin on disc measurements valuated the wear of the UHMWPE against a stainless steel probe; wear resistance increases of about 76{\%} after the ion implantation. This result can be attributed to the ion bombardment inducing a micro-hardness increasing in the irradiated layers due to the high carbon surface concentration and cross-linking effects in the polymeric chains. The irradiated UHMWPE surfaces may find special applications to the field of the mobile prosthesis.",
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AU - Valenza, Antonino

AU - Visco, null

AU - Campo, null

AU - Torrisi, null

AU - Valenza, null

PY - 2004

Y1 - 2004

N2 - Surface modification of ultra high molecular weight polyethylene (UHMWPE) is induced by ion implantation of different ions at 300 keV energy. The aim of this work was the chemical, physical and mechanical characterization of the modified material in order to know deep inside about the effect of the ion beam upon the polymer. The irradiated surfaces are investigated by Raman spectroscopy, infrared absorption and micro-hardness analysis, scanning electron microscopy. Pin on disc measurements valuated the wear of the UHMWPE against a stainless steel probe; wear resistance increases of about 76% after the ion implantation. This result can be attributed to the ion bombardment inducing a micro-hardness increasing in the irradiated layers due to the high carbon surface concentration and cross-linking effects in the polymeric chains. The irradiated UHMWPE surfaces may find special applications to the field of the mobile prosthesis.

AB - Surface modification of ultra high molecular weight polyethylene (UHMWPE) is induced by ion implantation of different ions at 300 keV energy. The aim of this work was the chemical, physical and mechanical characterization of the modified material in order to know deep inside about the effect of the ion beam upon the polymer. The irradiated surfaces are investigated by Raman spectroscopy, infrared absorption and micro-hardness analysis, scanning electron microscopy. Pin on disc measurements valuated the wear of the UHMWPE against a stainless steel probe; wear resistance increases of about 76% after the ion implantation. This result can be attributed to the ion bombardment inducing a micro-hardness increasing in the irradiated layers due to the high carbon surface concentration and cross-linking effects in the polymeric chains. The irradiated UHMWPE surfaces may find special applications to the field of the mobile prosthesis.

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EP - 1715

JO - Polymer

JF - Polymer

SN - 0032-3861

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