The Influence of Heat Treatment on the Elastic and Microplastic Properties of Ultrafine-Grained Titanium with Variable Content of Impurities
| Autor: | A. Yu. Tokmacheva-Kolobova, M. V. Narykova, B. K. Kardashev, A. G. Kadomtsev, V. I. Betekhtin |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Materials science Physics and Astronomy (miscellaneous) Metallurgy chemistry.chemical_element Young's modulus 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Grain size symbols.namesake chemistry Impurity 0103 physical sciences symbols Thermal stability Crystallite Microplasticity Severe plastic deformation 0210 nano-technology Titanium |
| Zdroj: | Technical Physics Letters. 45:1163-1166 |
| ISSN: | 1090-6533 1063-7850 |
| DOI: | 10.1134/s1063785019110221 |
| Popis: | Results of investigations of the influence of heat treatment at elevated temperatures on the elastic and microplastic properties of ultrafine-grained (UFG) titanium processed by severe plastic deformation are discussed. The samples were prepared from various batches of α-titanium (VT1-0, Grade 4, and PT3-V) with different initial polycrystalline structures and impurity compositions. Experiments showed that significant changes in the structure (grain size), elastic properties, and microplasticity characteristics only took place in the α-Ti grade of maximum purity (VT1-0). UFG titanium of Grade 4 and PT3-V showed much higher thermal stability of properties, which was probably related to the presence of large amounts of various impurities. |
| Databáze: | OpenAIRE |
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