Grain size effect on yield strength of titanium alloy implanted with aluminum ions

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Grain size effect on yield strength of titanium alloy implanted with aluminum ions	762 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1063/1.4937851

Title: Grain size effect on yield strength of titanium alloy implanted with aluminum ions
Creator: Popova, Natalja A.
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Yurev, Ivan
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Kalashnikov, Mark P.
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Kurzina, Irina A.
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Nikonenko, Elena L.
Date: 2016
DOI: 10.1063/1.4937851
Description: The paper presents a transmission electron microscopy (TEM) study of the microstructure and phase state of commercially pure titanium VT1-0 implanted by aluminum ions. This study has been carried out before and after the ion implantation for different grain size, i.e. 0.3 µm (ultra-fine grain condition), 1.5 µm (fine grain condition), and 17 µm (polycrystalline condition). This paper presents details of calculations and analysis of strength components of the yield stress. It is shown that the ion implantation results in a considerable hardening of the entire thickness of the implanted layer in the both grain types. The grain size has, however, a different effect on the yield stress. So, both before and after the ion implantation, the increase of the grain size leads to the decrease of the alloy hardening. Thus, hardening in ultra-fine and fine grain alloys increased by four times, while in polycrystalline alloy it increased by over six times.

Created: 13-02-2017

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Химический факультет Grain size effect on yield strength of titanium alloy implanted with aluminum ions