Corrosion- and Hydrogen-Resistance of Heat-Resistant Blade Nickel-Cobalt Alloys

被引：12
|
作者：
Balyts'kyi, A. I. [1 ]
Kvasnyts'ka, Yu. H. [2 ]
Ivas'kevich, L. M. [1 ]
Myal'nitsa, H. P. [3 ]
机构：
[1] Ukrainian Natl Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
[2] Ukrainian Natl Acad Sci, Physicotechnol Inst Met & Alloys, Kiev, Ukraine
[3] Zorya Mashproekt Sci & Prod Complex Gas Turbine B, Nikolayev, Ukraine
来源：
MATERIALS SCIENCE | 2018年 / 54卷 / 02期
关键词：
heat-resistant nickel-cobalt alloy; specific mass losses; corrosion; hydrogen embrittlement;
D O I：
10.1007/s11003-018-0178-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the influence of gas-turbine fuel ash and gaseous hydrogen on the mass losses caused by longterm corrosion and the mechanical properties of heat-resistant CM-88U-VI, CM-90-VI, and CM-104-VI cast blade materials. It is shown that the level of sulfide-oxide corrosion resistance of the investigated alloys (CM-104-VI > CM-90-VI > CM-88U-VI) correlates with the chromium content. The highest resistance (among similar materials) is exhibited by CM-104-VI alloy, especially for long-term hightemperature tests. The CM-90-VI single-crystal alloy proves to be least sensitive to the action of hydrogen in short-term tensile tests carried out within the temperature range 20-900 degrees C under a pressure of 30 MPa.
引用
收藏
页码：230 / 239
页数：10
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