A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High Temperature Fatigue; Dwell Sensitivity and Life Prediction
The objectives of this research were to develop knowledge to address dwell sensitivity behavior of high temperature materials and to predict dwell sensitivity and creep-fatigue life. The damage mechanisms resulting from various dwell cycles were summarized for a range of materials that operate at high temperatures. An attempt was made to predict dwell sensitivity based on the tensile properties correlating strength ratios at room and high temperatures. A relationship exists between these two strength ratios, which was exploited to predict the dwell sensitivity behavior of materials. Also, a conceptual model was developed to predict dwell sensitivity utilizing cyclic hardening and softening behaviors of materials in two directions, namely tension and compression. Analytical models were developed to predict the dwell fatigue life, in which creep and fatigue interact.
High Temperature Fatigue; Dwell Sensitivity and Life Prediction
The objectives of this research were to develop knowledge to address dwell sensitivity behavior of high temperature materials and to predict dwell sensitivity and creep-fatigue life. The damage mechanisms resulting from various dwell cycles were summarized for a range of materials that operate at high temperatures. An attempt was made to predict dwell sensitivity based on the tensile properties correlating strength ratios at room and high temperatures. A relationship exists between these two strength ratios, which was exploited to predict the dwell sensitivity behavior of materials. Also, a conceptual model was developed to predict dwell sensitivity utilizing cyclic hardening and softening behaviors of materials in two directions, namely tension and compression. Analytical models were developed to predict the dwell fatigue life, in which creep and fatigue interact.
High Temperature Fatigue; Dwell Sensitivity and Life Prediction
T. Goswami (author)
1999
224 pages
Report
No indication
English
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