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

Authors
Du, Song-LeeShon, In-JinDoh, Jung-MannPark, Bang-JuYoon, Jin-Kook
Issue Date
2012-06
Publisher
KOREAN INST METALS MATERIALS
Citation
KOREAN JOURNAL OF METALS AND MATERIALS, v.50, no.6, pp.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.
Keywords
LOW-TEMPERATURE; CONSOLIDATION; ALUMINIDES; LOW-TEMPERATURE; CONSOLIDATION; ALUMINIDES; composite; nanomaterials; sintering; mechanical properties
ISSN
1738-8228
URI
https://pubs.kist.re.kr/handle/201004/129199
DOI
10.3365/KJMM.2012.50.6.449
Appears in Collections:
KIST Article > 2012
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