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Home / Journal of Nanoscience and Nanotechnology, Volume 17, Number 6

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

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Authors: Kwak, Bong-Won 1 ; Yoon, Jin-Kook 2 ; Shon, In-Jin 1 ; 

Source: Journal of Nanoscience and Nanotechnology, Volume 17, Number 6, June 2017, pp. 4214-4217(4)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/jnn.2017.13388

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.

Keywords: Fracture Toughness; Hardness; Nanostructured Materials; Powder Metallurgy; Sintering

Document Type: Research Article

Affiliations: 1: Division of Advanced Materials Engineering and the Research Center of Advanced Materials Development, Engineering College, Chonbuk National University, Chonbuk 561-756, Republic of Korea 2: Materials Architecturing Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea

Publication date: June 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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