The effect of annealing to the hardness of high Y2O3-oxide dispersion strengthened (ODS) ferritic steels

Farha Mizana Shamsudin, Shahidan Radiman, Yusof Abdullah, Nasri A. Hamid

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The purpose of this study was to investigate the effect of annealing to the hardness of high Y2O3-oxide dispersion strengthened (ODS) ferritic steels. The samples were prepared by mechanical alloying method followed by Cold Isostatic Pressing (CIP). After compaction process, the samples were sintered at 1100°C for 1 h in a tube furnace. The crystal structure and morphology of samples were analyzed by X-ray Diffraction (XRD) measurement and characterized by using field emission scanning electron microscope (FESEM), respectively. The hardness of samples was measured by using a micro-Vickers hardness tester with a load of 200 gf at annealing temperature of 600°C, 800°C and 1000°C, respectively. The Vickers hardness value (HV0,2) versus annealing temperature graph showed that the hardness of all samples started to decrease at temperature of 600°C due to grain growth. The hardness value of all samples (1Y and 5Y) identified at this annealing temperature is 855 HV0,2 and 808 HV0, 2, respectively.

Original languageEnglish
Pages (from-to)189-193
Number of pages5
JournalSains Malaysiana
Volume47
Issue number1
DOIs
Publication statusPublished - Jan 2018

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hardness
steels
annealing
oxides
Vickers hardness
crystal morphology
temperature
pressing
test equipment
alloying
furnaces
field emission
electron microscopes
tubes
crystal structure
scanning
diffraction
x rays

All Science Journal Classification (ASJC) codes

  • General

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Shamsudin, Farha Mizana ; Radiman, Shahidan ; Abdullah, Yusof ; Hamid, Nasri A. / The effect of annealing to the hardness of high Y2O3-oxide dispersion strengthened (ODS) ferritic steels. In: Sains Malaysiana. 2018 ; Vol. 47, No. 1. pp. 189-193.
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The effect of annealing to the hardness of high Y2O3-oxide dispersion strengthened (ODS) ferritic steels. / Shamsudin, Farha Mizana; Radiman, Shahidan; Abdullah, Yusof; Hamid, Nasri A.

In: Sains Malaysiana, Vol. 47, No. 1, 01.2018, p. 189-193.

Research output: Contribution to journalArticle

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