Effect of starch binders in alumina coatings on AISI 316 L stainless steel for medical application

Research output: Contribution to journalArticle

Abstract

A slurry immersion technique of alumina coatings was carried out on several AISI 316 L stainless steels using two types of binding agents; commercial starch and Sarawakian starch (sago), which were also mixed with polyvinylchloride (PVA) for strengthening purposes. The sintering temperatures in this work were varied from 500 to 1000°C. Prior to sintering process, all stainless steels were metallographically ground and polished to approximately 0.6 μm of average roughness. Detailed characterisations on the sintered specimens were carried out with the aid of the secondary electron microscopy (SEM), microhardness and a profilometer. The results revealed that coated steels using sago binder showed improved adhesion and homogenous microstructures with greater hardness of 2642 HV than those found in coated steel with commercial starch after sintering process.

Original languageEnglish
Pages (from-to)1034-1039
Number of pages6
JournalInternational Journal of Modern Physics B
Volume23
Issue number6-7
Publication statusPublished - 20 Mar 2009

Fingerprint

starches
stainless steels
sintering
aluminum oxides
coatings
steels
profilometers
microhardness
submerging
electron microscopy
adhesion
roughness
hardness
microstructure
temperature

Keywords

  • AISI 316 L
  • Coating
  • Starch binder

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Statistical and Nonlinear Physics

Cite this

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title = "Effect of starch binders in alumina coatings on AISI 316 L stainless steel for medical application",
abstract = "A slurry immersion technique of alumina coatings was carried out on several AISI 316 L stainless steels using two types of binding agents; commercial starch and Sarawakian starch (sago), which were also mixed with polyvinylchloride (PVA) for strengthening purposes. The sintering temperatures in this work were varied from 500 to 1000°C. Prior to sintering process, all stainless steels were metallographically ground and polished to approximately 0.6 μm of average roughness. Detailed characterisations on the sintered specimens were carried out with the aid of the secondary electron microscopy (SEM), microhardness and a profilometer. The results revealed that coated steels using sago binder showed improved adhesion and homogenous microstructures with greater hardness of 2642 HV than those found in coated steel with commercial starch after sintering process.",
keywords = "AISI 316 L, Coating, Starch binder",
author = "Ghazali, {Mariyam Jameelah} and Pauzi, {A. A.} and Azhari, {Che Husna} and {A Ghani}, Jaharah and Sulong, {Abu Bakar} and R. Mustafa",
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T1 - Effect of starch binders in alumina coatings on AISI 316 L stainless steel for medical application

AU - Ghazali, Mariyam Jameelah

AU - Pauzi, A. A.

AU - Azhari, Che Husna

AU - A Ghani, Jaharah

AU - Sulong, Abu Bakar

AU - Mustafa, R.

PY - 2009/3/20

Y1 - 2009/3/20

N2 - A slurry immersion technique of alumina coatings was carried out on several AISI 316 L stainless steels using two types of binding agents; commercial starch and Sarawakian starch (sago), which were also mixed with polyvinylchloride (PVA) for strengthening purposes. The sintering temperatures in this work were varied from 500 to 1000°C. Prior to sintering process, all stainless steels were metallographically ground and polished to approximately 0.6 μm of average roughness. Detailed characterisations on the sintered specimens were carried out with the aid of the secondary electron microscopy (SEM), microhardness and a profilometer. The results revealed that coated steels using sago binder showed improved adhesion and homogenous microstructures with greater hardness of 2642 HV than those found in coated steel with commercial starch after sintering process.

AB - A slurry immersion technique of alumina coatings was carried out on several AISI 316 L stainless steels using two types of binding agents; commercial starch and Sarawakian starch (sago), which were also mixed with polyvinylchloride (PVA) for strengthening purposes. The sintering temperatures in this work were varied from 500 to 1000°C. Prior to sintering process, all stainless steels were metallographically ground and polished to approximately 0.6 μm of average roughness. Detailed characterisations on the sintered specimens were carried out with the aid of the secondary electron microscopy (SEM), microhardness and a profilometer. The results revealed that coated steels using sago binder showed improved adhesion and homogenous microstructures with greater hardness of 2642 HV than those found in coated steel with commercial starch after sintering process.

KW - AISI 316 L

KW - Coating

KW - Starch binder

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