Development of CNT-Coated Diamond Grains Using Self-Assembly Techniques for Improving Electroplated Diamond Tools |
| Journal |
Key Engineering Materials (Volumes 389 - 390) |
| Volume |
Advances in Abrasive Technology XI |
| Edited by |
Tsunemoto Kuriyagawa, Libo Zhou, Jiwang Yan and Nobuhito Yoshihara |
| Pages |
72-76 |
| DOI |
10.4028/www.scientific.net/KEM.389-390.72 |
| Online since |
September, 2008 |
| Authors |
Tsunehisa Suzuki, Toshiaki Mitsui, Tomoki Fujino, Mutsuto Kato, Yasufumi Satake, Hiroshi Saito, Seiya Kobayashi |
| Keywords |
Carbon Nanotube (CNT), Electroplated Diamond Tool, Grain Retentivity, Self-Assembly |
| Abstract |
Single crystalline diamond grains covered by nested carbon nanotubes (CNTs) were
constructed using self-assembly techniques. The acid-treated CNTs (MWCNTs-COOH) are first
adsorbed onto amine-terminated diamond grains, which were chemically functionalized by silane
coupling treatments, in N, N-dimethylformamide solution. Then, the drying and readsorption cycle
deposited CNT coatings on the diamond grains due to CNT-CNT interactions caused by van der
Waals forces. When the diamond grains were bonded to steel substrates by electroplating using nickel
sulfamate plating bath, the bonding strength of the CNT-coated diamond grains to the Ni matrix was
almost twice as large as that of the normal diamond grains. Hence, the CNT-coated diamond grains
are very useful for improving the tool life of electroplated diamond tools. |
| Full Paper |
Get the full paper by clicking here
|
