Mechanical and Fatigue Properties of Powder Titanium Strips, Obtained by Asymmetric Rolling

The mechanical properties of titanium powder strips obtained by asymmetric rolling technique are investigated. It is found out that the use of asymmetric rolling during the consolidating and repeated compacting rolling allows obtaining a strip with better mechanical properties than that obtained by...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2017-05, Vol.56 (1-2), p.53-59
Main Authors: Gogaev, K. A., Voropaev, V. S., Podrezov, Yu. N., Lugovskoi, Yu. F., Nazarenko, V. A., Koval, A. Yu, Yevych, Ya. I.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Metallic Materials
Natural Materials
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Summary:The mechanical properties of titanium powder strips obtained by asymmetric rolling technique are investigated. It is found out that the use of asymmetric rolling during the consolidating and repeated compacting rolling allows obtaining a strip with better mechanical properties than that obtained by conventional technique. The fracture surface of a titanium strip obtained by symmetric rolling has a significant ratio of the interparticle fracture. After asymmetric rolling, the fracture surface is totally dimpled. It is shown that the asymmetric rolling improves the quality of interparticle contact and, consequently, the ductility and fatigue resistance increase significantly.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-017-9871-y