期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 816, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2019.152585
关键词
Aluminum; Acid-treated carbon nanotubes; Metal matrix composites; Electrodeposition; Hardness
资金
- Japan Society for the Promotion of Science (JSPS) [19H02490]
- Iketani Science and Technology Foundation [0311028-A]
- China Scholarship Council
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) [201806830035]
- Grants-in-Aid for Scientific Research [19H02490] Funding Source: KAKEN
Composites of metals and carbon nanotubes (CNTs) are of interest due to their better mechanical properties compared to neat materials. Aluminum (Al) composites with multi-walled carbon nanotubes (MWCNTs) have been prepared by room-temperature electrodeposition in a relatively inexpensive and safe organic solvent, i.e. diglyme (G2). Successful dispersion of MWCNTs in an AICI(3)-G2 electrodeposition bath was achieved by surface modification i.e. acid treatment of MWCNTs, similar to the case of aqueous baths. Scanning electron microscopy images showed that MWCNTs filled and/or bridged the gap between Al particles, which can be attributed to the high Vickers hardness of 205 +/- 14 HV, exceeding 160 HV for Al-MWCNTs obtained by powder metallurgical methods. Additionally, while the Vickers hardness of electroplated Al-MWCNTs composites has been reported to be 75 HV, an almost three times harder material is reported in the present study. (C) 2019 Elsevier B.V. All rights reserved.
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