The structure of the surface layer in titanium VT1-0 after high-cycle fatigue tests

被引：1
|
作者：
Konovalov, S. [1 ,2 ]
Komissarova, I. [3 ]
Chen, X. [1 ]
Feoktistov, A. [3 ]
Kosinov, D. [3 ]
Gromov, V. [3 ]
Ivanov, Yu. [4 ]
机构：
[1] Wenzhou Univ, Wenzhou 325035, Peoples R China
[2] Samara Natl Res Univ, 34 Moskovskoye Sh, Samara 443086, Russia
[3] Siberian State Ind Univ, 42 Kirova Str, Novokuznetsk 654007, Russia
[4] Russian Acad Sci, Siberian Branch, Inst High Current Elect, 2-3 Akad Skii Ave, Tomsk 634021, Russia
来源：
OPEN SCHOOL-CONFERENCE OF NIS COUNTRIES ULTRAFINE GRAINED AND NANOSTRUCTURED MATERIALS | 2018年 / 447卷
基金：
俄罗斯基础研究基金会;
关键词：
STEEL; BEHAVIOR; ALLOYS;
D O I：
10.1088/1757-899X/447/1/012075
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Using the methods of optical and scanning electron microscopy, transformations that occur in the structure of commercially pure titanium VT1-0 subjected to electric-current pulse treatment and high-cycle fatigue testing to failure, were analyzed. The paper reports that as a result of the energy impact on the samples, its fatigue life increases by a factor of 1.3. It is revealed that the improvement of the fatigue life is possible due to the change in the size of crystallites in a-titanium, as well as to the decreased number of internal stress field concentrators in the surface layer.
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页数：5
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