Fabrication of Nanostructured 3FeAl-Al2O3 Composite from Mechanically Synthesized Powders by Pulsed Current Activated Sintering and Its Mechanical Properties

Title
Fabrication of Nanostructured 3FeAl-Al2O3 Composite from Mechanically Synthesized Powders by Pulsed Current Activated Sintering and Its Mechanical Properties
Authors
두송이손인진도정만박방주윤진국
Keywords
Composite; Nanomaterials; Sintering; Mechanical properties
Issue Date
2012-06
Publisher
대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
Citation
VOL 50, NO 6, 449-454
Abstract
Nanopowder of FeAl and Al2O3 was synthesized from FeO and Al powders by high energy ball milling. Using the pulsed current activated sintering method, the nanocystalline Al2O3 reinforced FeAl composite was consolidated within two minutes from mechanically synthesized powders. The advantage of this process is that it allows very quick densification to near theoretical density and prohibits grain growth in nanostuctured materials. The grain size, sintering behavior and hardness of sintered FeAl-Al2O3 composite were investigated.
URI
http://pubs.kist.re.kr/handle/201004/42639
ISSN
17388228
Appears in Collections:
KIST Publication > Article
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