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Hardness and friction performance of poly(methylmethacrylate)/ biphasic calcium phosphate coating on steel

Published online by Cambridge University Press:  02 January 2014

J. Aguirre-Garcia ,
C. Hernández-Navarro ,
K. J. Moreno-Bello ,
A. Arizmendi-Morquecho ,
A. Chávez- Valdez ,
D. Aguilera-Camacho  and
J. S. García -Miranda
J. Aguirre-Garcia
Affiliation:
Instituto Tecnológico de Celaya, México
C. Hernández-Navarro
Affiliation:
Instituto Tecnológico de Celaya, México
K. J. Moreno-Bello
Affiliation:
Instituto Tecnológico de Celaya, México
A. Arizmendi-Morquecho
Affiliation:
Cimav-Unidad Monterrey, México
A. Chávez- Valdez
Affiliation:
Katcon Institute for Innovation and Technology, KIIT, México.
D. Aguilera-Camacho
Affiliation:
Instituto Tecnológico de Celaya, México
J. S. García -Miranda
Affiliation:
Instituto Tecnológico de Celaya, México
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Abstract

Poly(methyl methacrylate)/biphasic calcium phosphate (PMMA/BCP) coating has been prepared by mixing BCP in situ with the poly(methyl methacrylate) obtained from methyl methacrylate (MMA) polymerization. For comparative studies, concentration of BCP into PMMA matrix was varied in order to determine the influence of BCP incorporation into PMMA matrix on the hardness and friction behavior. The micro-hardness of PMMA/BCP coatings on stainless steel was evaluated using a Vickers hardness tester, while the wear tests for PMMA/BCP coatings on stainless steel were carried out on a CSM tribometer in dry conditions with normal load of 2 N. The incorporation of BCP into the polymer matrix significantly improves the microhardness of PMMA increasing to 15 % with 0.25 wt.% of BCP content. Whereas, the lowest friction coefficient value µk = 0.35 was obtained for PMAA/BCP with 0.35wt.% of BCP.

Keywords

CompositeBiomedicalHardness
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1609: Symposium 2A – Biomaterials for Medical Applications - 2013 , 2013 , IMRC2013-S2A-P002
Copyright
Copyright © Materials Research Society 2013 

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References

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