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Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates

Improvements to the adhesion strength of hydroxyapatite (HA) coat by creating an oxide interlayer on cobalt-chromium-molybdenum (Co-Cr-Mo) substrate was assessed in this study. The amorphous HA films were crystallized by sintering HA at temperatures ranging from 550°C to 750°C for 1 hour. SEM and X-...

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Main Authors: Mas Ayu, Hassan, Sudin, Izman, Mohammed Rafiq, Abdul Kadir, R., Daud, Mohd Faiz, Mohd Yusoff, Mahmood, Anwar, A., Shah
Format: Conference or Workshop Item
Language:English
Published: 2015
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/11235/1/Creating%20oxide%20interlayer%20through%20thermal%20oxidation%20improves%20adhesion%20strength%20of%20hydroxyapatite%20coating%20on%20Co-Cr-Mo%20substrates.pdf
http://umpir.ump.edu.my/id/eprint/11235/
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spelling my.ump.umpir.112352018-01-31T03:58:57Z http://umpir.ump.edu.my/id/eprint/11235/ Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates Mas Ayu, Hassan Sudin, Izman Mohammed Rafiq, Abdul Kadir R., Daud Mohd Faiz, Mohd Yusoff Mahmood, Anwar A., Shah TJ Mechanical engineering and machinery Improvements to the adhesion strength of hydroxyapatite (HA) coat by creating an oxide interlayer on cobalt-chromium-molybdenum (Co-Cr-Mo) substrate was assessed in this study. The amorphous HA films were crystallized by sintering HA at temperatures ranging from 550°C to 750°C for 1 hour. SEM and X-ray diffraction techniques were used to characterize the surface morphology of the HA coating whilst a Revetest scratch test was used to measure the adhesion strength of HA. The oxide interlayer on the substrate was able to prevent severe cracks while maintaining the porosity of the coated layer. Scratch test results showed that adhesion strength of the HA coatings on substrates with interlayer was significantly higher than those without interlayer (1.35 N Vs 1.04 N; p<0.05). Increasing sintering temperature increases adhesion strength proportionally. These findings suggest that the porosity of oxide interlayer provides better anchorage whilst minimizing surface cracks of HA on Co-Cr-Mo substrates. 2015 Conference or Workshop Item PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/11235/1/Creating%20oxide%20interlayer%20through%20thermal%20oxidation%20improves%20adhesion%20strength%20of%20hydroxyapatite%20coating%20on%20Co-Cr-Mo%20substrates.pdf Mas Ayu, Hassan and Sudin, Izman and Mohammed Rafiq, Abdul Kadir and R., Daud and Mohd Faiz, Mohd Yusoff and Mahmood, Anwar and A., Shah (2015) Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates. In: 1st International Conference on Materials and Manufacturing Engineering and Technology, 28-31 July 2015 , Seoul, Korea. . (Unpublished)
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Mas Ayu, Hassan
Sudin, Izman
Mohammed Rafiq, Abdul Kadir
R., Daud
Mohd Faiz, Mohd Yusoff
Mahmood, Anwar
A., Shah
Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
description Improvements to the adhesion strength of hydroxyapatite (HA) coat by creating an oxide interlayer on cobalt-chromium-molybdenum (Co-Cr-Mo) substrate was assessed in this study. The amorphous HA films were crystallized by sintering HA at temperatures ranging from 550°C to 750°C for 1 hour. SEM and X-ray diffraction techniques were used to characterize the surface morphology of the HA coating whilst a Revetest scratch test was used to measure the adhesion strength of HA. The oxide interlayer on the substrate was able to prevent severe cracks while maintaining the porosity of the coated layer. Scratch test results showed that adhesion strength of the HA coatings on substrates with interlayer was significantly higher than those without interlayer (1.35 N Vs 1.04 N; p<0.05). Increasing sintering temperature increases adhesion strength proportionally. These findings suggest that the porosity of oxide interlayer provides better anchorage whilst minimizing surface cracks of HA on Co-Cr-Mo substrates.
format Conference or Workshop Item
author Mas Ayu, Hassan
Sudin, Izman
Mohammed Rafiq, Abdul Kadir
R., Daud
Mohd Faiz, Mohd Yusoff
Mahmood, Anwar
A., Shah
author_facet Mas Ayu, Hassan
Sudin, Izman
Mohammed Rafiq, Abdul Kadir
R., Daud
Mohd Faiz, Mohd Yusoff
Mahmood, Anwar
A., Shah
author_sort Mas Ayu, Hassan
title Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
title_short Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
title_full Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
title_fullStr Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
title_full_unstemmed Creating Oxide Interlayer Through Thermal Oxidation Improves Adhesion Strength Of Hydroxyapatite Coating on Co-Cr-Mo Substrates
title_sort creating oxide interlayer through thermal oxidation improves adhesion strength of hydroxyapatite coating on co-cr-mo substrates
publishDate 2015
url http://umpir.ump.edu.my/id/eprint/11235/1/Creating%20oxide%20interlayer%20through%20thermal%20oxidation%20improves%20adhesion%20strength%20of%20hydroxyapatite%20coating%20on%20Co-Cr-Mo%20substrates.pdf
http://umpir.ump.edu.my/id/eprint/11235/
_version_ 1643666611059556352
score 13.211869

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