Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2776
Title: Characterization investigations during mechanical alloying and sintering of W-20 vol% SiC composites
Authors: Coşkun, Selim
Öveçoğlu, M. Lütfi
Özkal, Burak
Tanoğlu, Metin
Keywords: Sintering
Composite materials
Mechanical alloying
Microstructure
Solid-state sintering
Issue Date: Mar-2010
Publisher: Elsevier Ltd.
Source: Coşkun, S., Öveçoğlu, M. L., Özkal, B., and Tanoğlu, M. (2010). Characterization investigations during mechanical alloying and sintering of W-20 vol% SiC composites. Journal of Alloys and Compounds, 492(1-2), 576-584. doi:10.1016/j.jallcom.2009.11.185
Abstract: The effect of mechanical alloying and the sintering regime on the microstructural and the physical properties of W-SiC composites were investigated. Powder mixtures of W-20 vol.% SiC were mechanically alloyed (MA'd) using a Spex mill for 3 h, 6 h and 24 h. MA'd powders were characterized by Laser Diffraction Particle Size Analyzer, SEM and XRD investigations. MA'd W-20 vol.% SiC powder composites were sintered under inert Ar and reducing H2 gas conditions at 1680 °C and 1770 °C for 1 h. The microstructural and mechanical characterizations of the sintered samples were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD) and Vickers Hardness analyses. The addition of SiC remarkably increases the hardness of the composites. Hardness is also increased with decreasing grain size and increasing amount of MA. © 2009 Elsevier B.V. All rights reserved.
URI: http://doi.org/10.1016/j.jallcom.2009.11.185
http://hdl.handle.net/11147/2776
ISSN: 0925-8388
0925-8388
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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