Consolidation of a nanostructured Al2O3 reinforced Fe-Cr composite by rapid sintering and its mechanical properties

Title
Consolidation of a nanostructured Al2O3 reinforced Fe-Cr composite by rapid sintering and its mechanical properties
Authors
고인용손인진도정만윤진국박상환박나라
Keywords
Nanostructured materials; Sintering; Mechanical alloying; Mechanical properties; Composite materials
Issue Date
2011-02
Publisher
Journal of ceramic processing research
Citation
VOL 12, NO 1, 70-73
Abstract
Nano-powders of Fe0.67Cr0.33 and Al2O3 were synthesized from CrO3 and 2FeAl powders by high energy ball milling. A highly dense nanocrystalline 3Fe0.67Cr0.33-Al2O3 composite was consolidated by a pulsed current activated sintering (PCAS) method within 2 minutes from mechanically synthesized powders of Al2O3 and Fe0.67Cr0.33. The average hardness and fracture toughness values obtained were 840 kg/mm2 and 10 MPa·m1/2, respectively.
URI
http://pubs.kist.re.kr/handle/201004/39486
ISSN
1229-9162
Appears in Collections:
KIST Publication > Article
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