Fatigue of VT20 titanium alloy with vacuum-plasma coatings at high temperatures

被引：4
|
作者：
Trapezon, A. G. [1 ]
Lyashenko, B. A. [1 ]
Lipinskaya, N. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Pisarenko Inst Problems Strength, Kiev, Ukraine
来源：
STRENGTH OF MATERIALS | 2009年 / 41卷 / 04期
关键词：
vacuum-plasma coatings; high-cycle fatigue; high-frequency loading; high-temperature tests; OXIDATION; BEHAVIOR;
D O I：
10.1007/s11223-009-9138-z
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We study the influence of vacuum-plasma TiN, (TiAl)N, and (TiC)N coatings on the high-cycle fatigue of VT20 titanium alloy in the temperature range 350-640A degrees C for a loading frequency of 10 kHz. It is shown that, in this temperature range, the fatigue limits of VT20 alloy with the indicated coatings 6 mu m in thickness become 15-25% higher than for the material without coating. The possibility of replacement of steel blades with titanium blades with vacuum-plasma coatings is demonstrated.
引用
收藏
页码：417 / 422
页数：6
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