Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 573, Issue -, Pages 92-99Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2013.02.041
Keywords
Carbon nanotubes (CNTs); Al2O3 fiber; Metal matrix composite (MMC); Infiltration method
Categories
Funding
- Korea Research Foundation (KRF)
- Korea government (MEST) [20120001204]
- human resources development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea government, Ministry of Knowledge Economy [20104010100540]
Ask authors/readers for more resources
Since the discovery of carbon nanotubes (CNTs), many interesting studies on composites with CNTs have been performed. However, it is extremely difficult to disperse CNTs in metal melts due to their poor wettability and large surface-to-volume ratio. The array of short fibers in a preform could be used to disperse the CNTs in the matrix. The use of hybrid reinforcement is required to solve the dispersion problems. Multi-wall carbon nanotube (MWCNT)/Al2O3sf preform-based aluminum hybrid composites were studied. A high temperature compression test was performed to evaluate mechanical properties and workability. In addition, dispersion of the carbon fiber was investigated using a hardness test The compressive strengths of hybrid metal matrix composites (MMCs) increased with increasing Al2O3 fraction. However, the compressive strengths were not necessarily proportional to the CNT fraction. Excessive CNTs adversely affected the material due to agglomeration or poor wettability with the matrix. (C) 2013 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available