Properties and rapid consolidation of (W,Ti)C-CNT by pulsed current activated sintering

Title
Properties and rapid consolidation of (W,Ti)C-CNT by pulsed current activated sintering
Authors
윤진국오성진김병수손인진
Keywords
Nanomaterials; Sintering; Hardness; Fracture toughness; Hard materials
Issue Date
2016-03
Publisher
Journal of ceramic processing research
Citation
VOL 17, NO 3-160
Abstract
The grain size of (W,Ti)C powder remarkably decreases with a high-energy ball milling. The rapid sintering of nanostuctured (W,Ti)C and (W,Ti)C-CNT hard materials was investigated with pulsed current activated sintering. The advantage of this process is that it allows very quick densification to near theoretical density and prohibition of grain growth in nanostuctured materials. A dense nanostructured (W,Ti) C and (W,Ti)C-CNT hard material with a relative density of up to 99% was produced with simultaneous application of 80 MPa pressure and a pulsed current of 2000A within 3 minutes. The effect of CNT on the sintering behavior and mechanical properties of (W,Ti)C was investigated.
URI
http://pubs.kist.re.kr/handle/123456789/64716
ISSN
1229-9162
Appears in Collections:
KIST Publication > Article
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