Reliability of Time-Temperature Extrapolation of Creep Rupture Diagrams for Heat-Resistant Steels

被引:0
|
作者
M. K. Kucher
R. P. Prikhod’ko
机构
[1] National Academy of Sciences of Ukraine,Pisarenko Institute of Problems of Strength
来源
Strength of Materials | 2015年 / 47卷
关键词
extrapolation; parametric methods; creep rupture diagrams; modified base diagram method;
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摘要
Known parametric methods and a modified base diagram method were used to analyze extrapolation results for creep rupture diagrams of heat-resistant steels. Two model alternatives are examined: viz when the hypothesis of the “unified” curve is valid and when its application leads to significant errors in prediction of creep strain processes. The efficiency of proposed procedures and their advantages over other approaches are demonstrated.
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页码:697 / 704
页数:7
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