COMPARISON OF P92 STEEL FATIQUE TEST RESULTS IN RELATION TO SPECIMEN SIZE AND MANUFACTURING

被引：0
|
作者：
Bunda, Zbynek [1 ]
Volak, Josef
机构：
[1] Univ W Bohemia, Fac Mech Engn, Dept Mat Sci & Engn Met, Plzen, Czech Republic
来源：
METAL 2014: 23RD INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS | 2014年
关键词：
Fatigue; SFT; correlation;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
This paper describes the fatigue properties of the steel P92. This material is widely used in the energy industry, especially for pipes and pipe bends of supercritical steam turbines. Steel P92 is alloyed with 2% of tungsten compared to steel P91. This increases a creep strength of the material. It is possible to reduce wall thickness of the P92 pipe up to about 20%. Fatigue tests were carried out on standard samples and compared with SFT samples (Small Fatigue Test). Using the device SSam 2 made by company Rolce Royce, it is possible to gently remove samples from energy component without power plant shutdowns. Considering these correlations, it is possible to determine mechanical properties of the material from a small amount of removed experimental material.
引用
收藏
页码：623 / 628
页数：6
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