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HomeMaterials Science ForumMaterials Science Forum Vol. 898Thermal Stability of Nanocrystalline Ti6Al4V...

Thermal Stability of Nanocrystalline Ti6Al4V Produced by Surface Mechanical Attrition Treatment

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Abstract:

A pollution-free nanocrystalline layer was prepared on the surface of Ti6Al4V by surface mechanical attrition treatment (SMAT). The nanocrystalline samples were vacuum annealed at various temperatures and for different periods of time. The microstructure and thermal stability were characterized by X-ray (XRD), scanning electron microscopy (SEM) and, transmission electron microscopy (TEM). The results showed that the nanocrystalline Ti6Al4V presented a satisfactory thermal stability with the annealed temperature below 650°C. The critical growth temperature for nanocrystalline Ti6Al4V is 100°C higher than that for pure titanium.

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IUMRS International Conference in Asia

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Periodical:

Materials Science Forum (Volume 898)

Pages:

41-46

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.898.41

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Online since:

June 2017

Authors:

Quan Tong Yao, Meng Nan Xing, Guang Lan Zhang, Wei Ping Tong

Keywords:

Hardness, Nanocrystalline Layer, SMAT, Thermal Stability, Ti6Al4V

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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