| 1 | APPLICATION OF THE UNIFIED STATISTICAL MATERIAL DATABASE FOR DESIGN AND LIFE/RISK ASSESSMENT OF HIGH TEMPERATURE COMPONENTS显示文摘Statistical manipulation of material data was conducted for probabilistic life assessment or risk-based design and maintenance for high temperature components of power plants. To obtain the statistical distribution of material properties, dominant parameters affecting material properties are introduced into normalization of statistical variables. Those parameters are hardness, chemical composition, characteristic microstructural features and so on. Creep and fatigue properties are expressed by normalized parameters and the unified statistical distributions are obtained. These probability distribution functions show good coincidence statistically with the field database of steam turbine components. It was concluded that the unified statistical baseline approach is useful for the risk management of components in power plants. | K.Fujiyama T.Fujiwara Y.Nakatani K.Saito A.Sakuma Y.Akikuni S.Hayashi S.Matsumoto | 2004 | Acta Metallurgica Sinica(English Letters)2004，17，4： | 1 |
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