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

页码：230 / 239

页数：10

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