W.K. Soppet

Bio: W.K. Soppet is an academic researcher. The author has an hindex of 1, co-authored 1 publications receiving 2 citations.

Final report on improved creep-fatigue models on advanced materials for SFR applications.

Abstract: ............................................................................................................................... i TABLE OF CONTENTS .......................................................................................................... iii LIST OF TABLES .................................................................................................................... iv LIST OF FIGURES .................................................................................................................... v 1 Introduction ............................................................................................................................ 1 2 ASME Creep-Fatigue Design Rule for G91 Steel and Current Development ....................... 3 3 Creep-Fatigue Experiments .................................................................................................... 5 3.1 Experimental Procedure .................................................................................................. 5 3.2 Experimental Results ...................................................................................................... 8 3.2.1 Creep-Fatigue Data ............................................................................................... 8 3.2.2 Microstructure .................................................................................................... 13 4 Modeling Creep-Fatigue Interaction .................................................................................... 14 4.1 Cyclic Softening Model ................................................................................................ 14 4.2 Stress Relaxation Model ............................................................................................... 18 4.3 Improved Bilinear Creep-Fatigue Damage Model ....................................................... 22 4.4 Interactive Damage Rate Model ................................................................................... 29 5 Accelerated Creep-Fatigue Testing Methodology ............................................................... 31 6 Summary and Future Work .................................................................................................. 33 References ................................................................................................................................. 35