OBTAINING OF UFG STRUCTURE OF Zr-1% Nb ALLOY BY RADIAL-SHEAR ROLLING

被引：3
作者：
Arbuz, Alexandr [1 ]
Kawalek, Anna [2 ]
Ozhmegov, Kirill [2 ]
Daniyeva, Nurgul [1 ]
Panin, Evgeniy [3 ]
机构：
[1] Nazarbayev Univ, Nur Sultan, Kazakhstan
[2] Czestochowa Tech Univ, Czestochowa, Poland
[3] Karaganda State Ind Univ, Temirtau, Kazakhstan
来源：
29TH INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS (METAL 2020) | 2020年
关键词：
UFG; severe plastic deformation; radial-shear rolling; TEM; zirconium; MECHANICAL-PROPERTIES; MICROSTRUCTURE; IRRADIATION; FISSION; METALS; FUSION; STEEL; ZR;
D O I：
10.37904/metal.2020.3485
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
An overview of the prospects for the development of nuclear technologies and the conclusion of the relevant requirements for advanced structural materials, their classification and features were described. In order to obtain a bar with a modified radiation-resistant outer layer, an experiment on radial-shear rolling of the Zr-1% Nb alloy in conditions favorable for the UFG structure formation was conducted. In the process of radial-shear rolling of round bars along the route 37 mm -> 20 mm in diameters with a total deformation of epsilon approximate to 70 %, a microstructure of submicron size was obtained. The nature of the microstructure is equiaxed with mainly high-angle boundaries and large crystallographic misorientation of the grains that is the most promising from the point of view of radiation resistance.
引用
收藏
页码：333 / 338
页数：6
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