A method for the prevention of premature failures of power plants using hydrogen as the working medium

被引：0
|
作者：
V. I. Tkachov
V. I. Kholodnyi
N. S. Goncharov
N. K. Meshkov
V. S. Rachuk
A. V. Shostak
机构：
来源：
Materials Science | 1998年 / 34卷
关键词：
Hydrogen; Power Plant; Structural Material; Technological Process; Gaseous Hydrogen;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Qe analyze failures of power-generating units working on liquid hydrogen caused by the most dangerous type of embrittlement—reversible hydrogen embrittlement of the metal. We consider the existing methods for the protection of various structural elements against hydrogen embrittlement and discuss their advantages and shortcomings. A method for the protection of difficultly accessible internal hollows of power-generating units against hydrogen embrittlement by introducing active gaseous admixtures in the working volume is described in detail. The mechanism of action of these admixtures is analyzed refractory alloy as examples, we demonstrate the positive effect of admixtures to gaseous hydrogen under a pressure of 35 MPa. The proposed method enables one, in some cases, to use hydrogen (as a new ecologically pure fuel) without serious changes in the structure of the unit and in the technological process.
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页码：508 / 511
页数：3
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