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Preparation and sintering of nanometer W-2 wt.%Y2O3 composite powders
Li Changji; Liu Shi; Xiong Liangyin; Wang Wentao; sliu@imr.ac.cn
2015
Source PublicationJOURNAL OF RARE EARTHS
ISSN1002-0721
Volume33Issue:7Pages:752-757
AbstractW-2 wt.%Y2O3 composite material with uniform distribution of yttrium element was fabricated through processes of mechanical alloying (MA) and spark plasma sintering (SPS). The relevant productions were characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), and transmission electron microscopy (TEM). The XRD showed that the W-2 wt.%Y2O3 composite powder, including tungsten matrix and Y2O3 particles, was refined to nanometer sizes during the MA process. The SEM and TEM micrographs showed that the MA produced composite powder presented a lamellar morphology and contained many dislocations and microcracks. The EDS showed that the Y and O elements were uniformly distributed in the W matrix after mechanically alloying for 15 h. The W-2 wt.%Y2O3 composite material with uniform distribution of yttrium was obtained by sintering of the MA produced composite powder.
description.department[li changji ; liu shi ; xiong liangyin ; wang wentao] chinese acad sci, inst met res, dept mat special environm, shenyang 110016, peoples r china
KeywordW-2 Wt.%y2o3 Composite Material Lamellar Nanometer Powder Uniform Distribution Of y Ma Sps Rare Earths
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75074
Collection中国科学院金属研究所
Corresponding Authorsliu@imr.ac.cn
Recommended Citation
GB/T 7714
Li Changji,Liu Shi,Xiong Liangyin,et al. Preparation and sintering of nanometer W-2 wt.%Y2O3 composite powders[J]. JOURNAL OF RARE EARTHS,2015,33(7):752-757.
APA Li Changji,Liu Shi,Xiong Liangyin,Wang Wentao,&sliu@imr.ac.cn.(2015).Preparation and sintering of nanometer W-2 wt.%Y2O3 composite powders.JOURNAL OF RARE EARTHS,33(7),752-757.
MLA Li Changji,et al."Preparation and sintering of nanometer W-2 wt.%Y2O3 composite powders".JOURNAL OF RARE EARTHS 33.7(2015):752-757.
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