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Microstructure and wear behavior of spark plasma sintering sintered Al2O3/WC-based composite
- Author(s)
- Chen, Wei-Hsio, Lin, Hao-Tung, Chen, Jianmin, Nayak, Pramoda K., Lee, Alex C., Lu, Horng-Hwa, Huang, Jow-Lay
- Issued Date
- 2016-01
- Citation
- INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, v.54, pp.279 - 283
- Abstract
- Various alumina/tungsten carbide based nanocomposites have been fabricated by spark plasma sintering and their wear properties have been investigated by performing ball-on-disk type wear test at room temperature under ambient environment. Our results reveal that the main facture behavior of the Al2O3/tungsten carbide composites sliding against Al2O3 balls is the plastic deformation. Crack formation and grain pull-out in the wear processes are responsible for lowering the wear rate. The Vickers hardness and toughness values are directly related to wear behavior of the composites that grounds Al2O3/WC to show lower wear rate on smoothly worn surface. (C) 2015 Elsevier Ltd. All rights reserved
- Publisher
- ELSEVIER SCI LTD
- ISSN
- 0263-4368
- Keyword (Author)
- Wear, Toughness, Wear behavior, Composites
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