Fabrication of High Strength Metal-Carbon Nanotube Composites
نویسندگان
چکیده
A major objective of Army technology is the development of lighter and stronger platforms such as armored vehicles for Future Combat systems and Future Force. Here we show that carbon nanotubes could be the basis of such a possibility. It is shown for the first time that a carbon nanotube-iron composite, iron being the principle component of steel, has significantly enhanced mechanical strength. The major challenge has been to develop methods to incorporate single walled carbon nanotubes (SWNTs) into metals. Here we report the first successful fabrication of a metal–SWNT composite having significantly enhanced yield strength. A direct and controllable method of incorporating SWNTS into iron, the principal component of steel, has been developed.
منابع مشابه
High Strength Metal-Carbon Nanotube Composites
Uniform dispersion of pre-synthesized nanotubes in metal matrices is difficult to achieve, and there is substantial damage to the nanotubes during subsequent composite fabrication. The demonstration of an in-situ process involving chemical vapor deposition of single-wall and multi-wall carbon nanotubes into iron matrices without the concomitant formation of iron carbides is reported here. It wa...
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