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Metallurgical and Materials Transactions A
Published in: Metallurgical and Materials Transactions A 9/2019

20-06-2019 | Communication

Activating Trace Fe Impurity as Catalyst to Plant Carbon Nanotubes Within Ti-6Al-4V Powders for High-Performance Ti Metal Matrix Composites

Authors: S. F. Li, Y. Liu, Y. F. Yang, Q. S. Zhu, K. Kondoh, R. D. K. Misra, C. Tan, C. Q. Hu, Y. Ge

Published in: Metallurgical and Materials Transactions A | Issue 9/2019

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Abstract

External catalysts are commonly pre-coated on Ti alloy powders for in situ synthesis of carbon nanotubes (CNTs) to resolve the inhomogeneity issue, but their excessive introduction changes the matrix composition. Here, we activated the catalytic function of trace Fe impurity solid solute in Ti-6Al-4V powders to plant CNTs within the Ti-6Al-4V powders without modifying the composition. These CNTs exhibited high reactivity with Ti, were retained in the consolidated composites, and improved the mechanical properties.
next article Hardening Particulate Ti Media Through Controlled Oxidation

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Metadata
Title
Activating Trace Fe Impurity as Catalyst to Plant Carbon Nanotubes Within Ti-6Al-4V Powders for High-Performance Ti Metal Matrix Composites
Authors
S. F. Li
Y. Liu
Y. F. Yang
Q. S. Zhu
K. Kondoh
R. D. K. Misra
C. Tan
C. Q. Hu
Y. Ge
Publication date
20-06-2019
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 9/2019
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-019-05321-x

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