Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application

As of today, ultra-high molecular weight polyethylene (UHMWPE) is a thermoplastic material normally used as bearing components for human joint replacements. However, formation of wear debris from UHMWPE after certain service periods may cause adverse effects which remain as unresolved issues. In thi...

Full description

Bibliographic Details
Main Authors:	Boon, Peng Chang, Hazizan Md Akil, Ramdziah bt Md Nasir
Format:	Article
Language:	English
Published:	Universiti Kebangsaan Malaysia 2015
Online Access:	http://journalarticle.ukm.my/8961/ http://journalarticle.ukm.my/8961/ http://journalarticle.ukm.my/8961/1/07_Boon_Peng_Chang.pdf

id	ukm-8961
recordtype	eprints
spelling	ukm-89612016-12-14T06:48:33Z http://journalarticle.ukm.my/8961/ Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application Boon, Peng Chang Hazizan Md Akil, Ramdziah bt Md Nasir, As of today, ultra-high molecular weight polyethylene (UHMWPE) is a thermoplastic material normally used as bearing components for human joint replacements. However, formation of wear debris from UHMWPE after certain service periods may cause adverse effects which remain as unresolved issues. In this study, mechanical and dry sliding wear properties of UHMWPE reinforced with different loading of talc particles were investigated. The wear test was carried out using Ducom TR-20 pin-on-disc tester at different pressure velocity (pv) factors under dry sliding conditions. The worn surfaces and transfer films of pure UHMWPE and talc/UHMWPE composites were observed under scanning electron microscope (SEM). The experimental results showed that the microhardness increased with the increase of talc loadings in UHMWPE. The 20 wt. % talc/UHMWPE composites showed a 17% increment in microhardness as compared with pure UHMWPE. The dry sliding wear behaviour of UHMWPE was also improved upon the reinforcement of talc. The wear rate of UHMWPE decreased after incorporation of talc particles. The coefficient of friction (COF) increased slightly under low pv conditions. At high pv conditions, the COF decreased in values with increasing talc loadings. The improvement in wear behaviour may be attributed to the increase in load-carrying capacity and surface hardness of the talc/UHMWPE composites. SEM micrographs on worn surfaces showed that plastic deformation and grooving wear were dominant for UHMWPE. The plastic deformation and grooving wear were reduced upon the reinforcement of talc particles. The talc/UHMWPE composites produced smoother and uniform transfer films as compared to pure UHMWPE. Universiti Kebangsaan Malaysia 2015-06 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/8961/1/07_Boon_Peng_Chang.pdf Boon, Peng Chang and Hazizan Md Akil, and Ramdziah bt Md Nasir, (2015) Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application. Sains Malaysiana, 44 (6). pp. 819-825. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid44bil6_2015/KandunganJilid44Bil6_2015.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	As of today, ultra-high molecular weight polyethylene (UHMWPE) is a thermoplastic material normally used as bearing components for human joint replacements. However, formation of wear debris from UHMWPE after certain service periods may cause adverse effects which remain as unresolved issues. In this study, mechanical and dry sliding wear properties of UHMWPE reinforced with different loading of talc particles were investigated. The wear test was carried out using Ducom TR-20 pin-on-disc tester at different pressure velocity (pv) factors under dry sliding conditions. The worn surfaces and transfer films of pure UHMWPE and talc/UHMWPE composites were observed under scanning electron microscope (SEM). The experimental results showed that the microhardness increased with the increase of talc loadings in UHMWPE. The 20 wt. % talc/UHMWPE composites showed a 17% increment in microhardness as compared with pure UHMWPE. The dry sliding wear behaviour of UHMWPE was also improved upon the reinforcement of talc. The wear rate of UHMWPE decreased after incorporation of talc particles. The coefficient of friction (COF) increased slightly under low pv conditions. At high pv conditions, the COF decreased in values with increasing talc loadings. The improvement in wear behaviour may be attributed to the increase in load-carrying capacity and surface hardness of the talc/UHMWPE composites. SEM micrographs on worn surfaces showed that plastic deformation and grooving wear were dominant for UHMWPE. The plastic deformation and grooving wear were reduced upon the reinforcement of talc particles. The talc/UHMWPE composites produced smoother and uniform transfer films as compared to pure UHMWPE.
format	Article
author	Boon, Peng Chang Hazizan Md Akil, Ramdziah bt Md Nasir,
spellingShingle	Boon, Peng Chang Hazizan Md Akil, Ramdziah bt Md Nasir, Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
author_facet	Boon, Peng Chang Hazizan Md Akil, Ramdziah bt Md Nasir,
author_sort	Boon, Peng Chang
title	Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
title_short	Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
title_full	Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
title_fullStr	Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
title_full_unstemmed	Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application
title_sort	dry sliding wear behaviour of talc-reinforced uhmwpe composite for implant application
publisher	Universiti Kebangsaan Malaysia
publishDate	2015
url	http://journalarticle.ukm.my/8961/ http://journalarticle.ukm.my/8961/ http://journalarticle.ukm.my/8961/1/07_Boon_Peng_Chang.pdf
first_indexed	2023-09-18T19:53:36Z
last_indexed	2023-09-18T19:53:36Z
_version_	1777406381745242112

Dry sliding wear behaviour of talc-reinforced UHMWPE composite for implant application

Similar Items