Evaluation on the High-Temperature Oxidation Behavior of HP Steam Turbine Rotor Materials

被引:0
|
作者
Niu, Li-Bin [1 ]
Shibata, Takuya [2 ]
机构
[1] Shinshu Univ, Fac Engn, Nagano 3808553, Japan
[2] Student Shinshu Univ, Nagano 3808553, Japan
来源
关键词
High-temperature oxidation; Oxide scale; High-pressure (HP) steam turbine rotor; Super-clean 9CrMoV steel; 1CrMoV steel; POWER-PLANTS; STEEL;
D O I
10.4028/www.scientific.net/AMR.750-752.420
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
High-temperature oxidation behaviors of super-clean 9CrMoV steel and 1CrMoV steel for HP steam turbine rotor materials were investigated. The super-clean 9CrMoV steel showed a superior high-temperature oxidation resistance with very small oxidation rates even though at 630 degrees C, because the oxidation was restrained by the Cr-oxides formed near the base metal. On the other hand, the oxide scales formed on the 1CrMoV steel were composed of Fe-oxides, and the oxidation rate increased remarkably at the temperatures above 610 degrees C.
引用
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页码:420 / +
页数:2
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