Pulsed Current Activated Rapid Sintering of Binderless Nanostructured TiC and WC and Their Properties

Title
Pulsed Current Activated Rapid Sintering of Binderless Nanostructured TiC and WC and Their Properties
Authors
윤진국곽봉원손인진
Keywords
Sintering; Powder metallurgy; Nanostructured materials; Fracture toughness; Hardness
Issue Date
2017-06
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 17, NO 6-4217
Abstract
The rapid sintering of nanostructured TiC and WC hard materials in a short time was investigated with pulsed current activated sintering process. The advantage of this process is that it allows very quick densification to near theoretical density and prohibition of grain growth in nanostructured materials. A dense nanostructured TiC and WC hard material with a relative density of up to 98% was produced with simultaneous application of 80 MPa pressure and pulsed current of 3000 A within two minutes. The sintering behavior, microstructure and mechanical properties of binderless TiC and WC were investigated.
URI
http://pubs.kist.re.kr/handle/201004/66698
ISSN
1533-4880
Appears in Collections:
KIST Publication > Article
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