Effect of cryorolling on the structure and the mechanical properties of ultrafine-grained nickel

被引：3
|
作者：
Naidenkin E.V. [1 ]
Ivanov K.V. [1 ]
Golosov E.V. [2 ]
机构：
[1] Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk
[2] Belgorod State University, Belgorod
来源：
Russian Metallurgy (Metally) | 2014年 / 2014卷 / 4期
关键词：
Severe Plastic Deformation; Twin Boundary; Equal Channel Angular Press; RUSSIAN Metallurgy; High Pressure Torsion;
D O I：
10.1134/S0036029514040107
中图分类号：
学科分类号：
摘要：
Grain-boundary misorientations and mechanical properties of ultrafine-grained (UFG) nickel produced by equal-channel angular pressing are investigated after rolling at a temperature of −196°C. It is shown that cryogenic rolling increases the fraction of high-angle grain boundaries almost two times in UFG nickel. The approach based on electron backscatter diffraction analysis is proposed to estimate the relative energy of high-angle boundaries in polycrystalline metals. © 2014, Pleiades Publishing, Ltd.
引用
收藏
页码：303 / 307
页数：4
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