Influence of Zr-1 wt.% Nb alloy structure state on its deformation and thermal behavior under quasi-static tension

被引：4
作者：
Legostaeva, E., V [1 ]
Sharkeev, Yu P. [1 ,2 ]
Eroshenko, A. Yu [1 ]
Belyavskaya, O. A. [1 ]
Vavilov, V. P. [2 ,3 ]
Skrypnyak, V. A. [3 ]
Ustinov, A. M. [4 ]
Klopotov, A. A. [3 ,4 ]
Chulkov, A. O. [2 ]
Kozulin, A. A. [3 ]
Uvarkin, P., V [1 ]
Skrypnyak, V. V. [3 ]
机构：
[1] SB RAS, Inst Strength Phys & Mat Sci, Tomsk 634055, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
[3] Natl Res Tomsk State Univ, Tomsk 634050, Russia
[4] Tomsk State Univ Architecture & Bldg, Tomsk 634003, Russia
来源：
MATERIALS LETTERS | 2021年 / 285卷
关键词：
Ultrafine-grained alloy; Severe plastic deformation; Microstructure; Tensile test; Digital image correlation; Infrared thermography;
D O I：
10.1016/j.matlet.2020.129028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the average size of the structure elements on the deformation and thermal behavior of the Zr-1 wt.% Nb (Zr1-Nb) alloy under quasi-static tension was investigated using the digital image correlation and infrared thermography methods. It is shown that with increasing average size of the structural elements in the range 0.2-2.0 mu m the physico-mechanical properties, such as yield strength, microhardness, maximal true strain, and maximal temperature increment during deformation decrease, while longitudinal and transverse strain increase. According to the obtained results, correlations between the mentioned deformation characteristics and the average size of the structural element d(-1/2) can be described by linear functions. (c) 2020 Elsevier B.V. All rights reserved.
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页数：4
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