Rapid Synthesis and Consolidation of Nanostructured 4Fe-Al2O3 Composite by Pulsed Current Activated Sintering

Title
Rapid Synthesis and Consolidation of Nanostructured 4Fe-Al2O3 Composite by Pulsed Current Activated Sintering
Authors
손인진박나라도정만윤진국
Keywords
Rapid sintering; Composite; Nanophase; Mechanical properties; Fe-Al2O3
Issue Date
2013-03
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 13, NO 3, 1841-1844
Abstract
Nanocrystalline 4Fe-Al2O3 composite was simultaneously synthesized and consolidated by pulsed current activated sintering (PCAS) method within 5 min from mechanically activated powders of Fe2O3 and 2FeAl. The average grain size and mechanical properties of the composite were investigated. The average grain sizes of Fe and Al2O3 prepared by PCAS were about 75 nm and 54 nm, respectively. The average hardness and fracture toughness values obtained were 770 kg/mm2 and 9.3 MPa·m1/2, respectively.
URI
http://pubs.kist.re.kr/handle/201004/45717
ISSN
15334880
Appears in Collections:
KIST Publication > Article
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