alexa Effects of TiC Additions on Physical Properties of W-2wt.%VC-1wt.%C Nano Powder Composites Fabricated by Mechanical Alloying
ISSN: 2168-9806

Journal of Powder Metallurgy & Mining
Open Access

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Research Article

Effects of TiC Additions on Physical Properties of W-2wt.%VC-1wt.%C Nano Powder Composites Fabricated by Mechanical Alloying

Sonmez S1,2*, Jahangiri H1 and Ovecoglu ML1

1Istanbul Technical University, Department of Metallurgical and Material Engineering, 34469, Istanbul, Turkey

2Hakkari University, Department of Mechanical Engineering, 30000, Hakkari, Turkey

*Corresponding Author:
Sonmez S
Istanbul Technical University
Department of Metallurgical and Mater Engineering
34469, Istanbul/Türkiye
Tel: 0000-0003-1371-9869
E-mail: [email protected]

Received Date: August 16, 2016; Accepted Date: October 12, 2016; Published Date: October 20, 2016

Citation: Sonmez S, Jahangiri H, Ovecoglu ML (2016) Effects of TiC Additions on Physical Properties of W-2wt.%VC-1wt.%C Nano Powder Composites Fabricated by Mechanical Alloying. J Powder Metall Min 5:145. doi:10.4172/2168-9806.1000145

Copyright: © 2016 Sonmez S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Effects of TiC additions on physical properties of W-VC-C nano powder composites during different milling time were investigated. W-2wt.%VC-1wt.%C and W-2wt.%VC-2wt.%TiC-1wt.%C composite powders were mechanically alloyed (MA’d) for 1 h, 3 h, 6 h, 12 h and 24 h in a high energy ball mill. Characterization studies were conducted to determine the effect of TiC content and MA duration on the morphology, lattice parameter, crystallite size and lattice strain amorphization rate of the powder composites. Addition of TiC declined particle size decreasing rate and powder densities after MA for 24 h. Both Gaussian and Williamson Hall (W-H) methods were employed on the X-ray diffraction patterns to analyse the variations of lattice strain and crystallite size with MA times. Up to MA durations of 6 h, the strain values increased rapidly and between MA times of 6 and 24 h, strain values enhancement occurred slowly in W-H method, while strain values obtained by Gaussian method increased linearly. The crystallite sizes of W-2wt.%VC-1wt.%C and W-2wt.%VC-2wt.%TiC-1wt.%C composite powders predicted by the W-H method decreased respectively to 3.317 nm and 3.066 nm after MA for 24 h.

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