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Oxidation behavior of in situ synthesized (TiC + TiB + Nd2O3)/Ti composites

✍ Scribed by Z.F. Yang; W.J. Lu; J.N. Qin; D. Zhang

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
671 KB
Volume
472
Category
Article
ISSN
0921-5093

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✦ Synopsis

The oxidation behaviors of novel in situ synthesized (TiB + TiC + Nd 2 O 3 )/Ti composites at 600 β€’ C were studied in air atmosphere. The phases of the oxidation layer were identified by X-ray diffraction (XRD). The surface and the cross-section of the oxidation layer were examined by scanning electron microscopy (SEM). The research results show that the oxidation-resistant ability of (TiB + TiC + Nd 2 O 3 )/Ti composites is higher than that of TiC/Ti composites with the same volume fraction of reinforcements. In (TiB + TiC + Nd 2 O 3 )/Ti composites, the oxidation-resistant ability and oxidation activation energy improved with the increasing of the volume fraction of reinforcements.

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