The Effect of Annealing to the Hardness of High Y2O3-Oxide Dispersion Strengthened (ODS) Ferritic Steels

被引：3
作者：
Shamsudin, Farha Mizana [1 ]
Radiman, Shahidan [1 ]
Abdullah, Yusof [2 ]
Hamid, Nasri A. [3 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Appl Phys, Nucl Sci Programme, Ukm Bangi 43600, Selangor Darul, Malaysia
[2] Agensi Nuklear Malaysia, Ind Technol Div, Mat Technol Grp, Kajang 43000, Selangor Darul, Malaysia
[3] Univ Tenaga Nas, Coll Engn, Ctr Nucl Energy, Putrajaya Campus,Jalan Ikram UNITEN, Kajang 43000, Selangor Darul, Malaysia
来源：
SAINS MALAYSIANA | 2018年 / 47卷 / 01期
关键词：
Electron microscopy; hardness measurement; mechanical alloying; ODS ferritic steel; XRD measurement; CREEP-PROPERTIES; ALLOYS; TENSILE;
D O I：
10.17576/jsm-2018-4701-22
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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 degrees 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 degrees C, 800 degrees C and 1000 degrees 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 degrees 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.
引用
收藏
页码：189 / 193
页数：5
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