Mechanical Properties and Dislocation Structure Evolution in Ti6Al7Nb Alloy Processed by High Pressure Torsion
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10289747" target="_blank" >RIV/00216208:11320/14:10289747 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1007/s11661-013-1763-2" target="_blank" >http://dx.doi.org/10.1007/s11661-013-1763-2</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s11661-013-1763-2" target="_blank" >10.1007/s11661-013-1763-2</a>
Alternative languages
Result language
angličtina
Original language name
Mechanical Properties and Dislocation Structure Evolution in Ti6Al7Nb Alloy Processed by High Pressure Torsion
Original language description
Ultrafine-grained biocompatible Ti-6Al-7Nb alloy was produced by high pressure torsion (HPT). Lattice defects-vacancies and dislocations-investigated by positron annihilation spectroscopy, observations by scanning electron microscopy, and microhardness evaluation are linked to the strain imposed by different numbers of HPT revolutions and to the distance from the specimen center. Positron annihilation spectroscopy showed significant increase of dislocation density and concentration of vacancy clusters after of the HPT revolution. Microhardness increases by 20 pct with increasing strain, but it is heterogenous due to duplex microstructure. The heterogeneity of the microhardness increases with increasing strain, suggesting that a heavily deformed and fragmented alpha+beta lamellar microstructure is more hardened than primary alpha grains. The defect structure is homogenous after HPT revolution, while the microhardness becomes homogenous after 3 HPT revolutions only. (C) The Minerals, Met
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
ISSN
1073-5623
e-ISSN
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Volume of the periodical
45A
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
7-15
UT code for WoS article
000331092300003
EID of the result in the Scopus database
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