Issue |
Manufacturing Rev.
Volume 2, 2015
|
|
---|---|---|
Article Number | 8 | |
Number of page(s) | 5 | |
DOI | https://doi.org/10.1051/mfreview/2015011 | |
Published online | 29 April 2015 |
Research Article
Ni/GO nanocomposites and its plasticity
National Key Laboratory of Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin, P.R. China
* e-mail: liyou_magic@sina.com
Received:
12
January
2015
Accepted:
28
February
2015
Ni/GO nanocomposites were prepared with an AC pulse electro-deposition method. The morphologies of the deposits, crystal structure and mechanical properties of the nanomaterials were examined using scanning electron microscope (SEM), X-ray diffraction and a tensile testing machine respectively. Studies show that the addition of graphene oxide (GO) results in nano-particles of electrodeposited Ni aggregating to form micro-convexes for which (2 0 0) plane is the preferential growth orientation, accelerating the growth of nucleus, improving the crystallization and inhibiting the growth of grain. The room-temperature tensile elongation was up to 9.89% when GO = 0.1 g/L; the breaking strength reached 625 MPa when GO = 0.03 g/L; the tensile elongation in 450 °C was 232%, which presents a good superplasticity when GO = 0.08 g/L.
Key words: Ni/GO composites / Superplasticity / Nanomaterials / Electrodeposition
© Y. Li et al., Published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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