Journal ArticleDOI
Development of fatigue design curves for thick-section 9Cr-1Mo ferritic steel forgings
TLDR
In this article, a fatigue design curve applicable for the temperature range 300-644 K was computed based on room temperature tensile properties, incorporating the concept of fatigue limit and mean stress.About:
This article is published in International Journal of Fatigue.The article was published on 1992-07-01. It has received 7 citations till now. The article focuses on the topics: Fatigue limit & Strain rate.read more
Citations
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Journal ArticleDOI
Fatigue crack growth mechanism in aged 9Cr–1Mo steel: threshold and Paris regimes
TL;DR: In this paper, room temperature fatigue crack growth (FCG) testing was conducted after thermal aging for 500 and 5000h at 823 and 9%Cr 1%Mo steel normalized at 1323 and tempered at 1053 K, respectively.
Journal ArticleDOI
Isothermal and thermomechanical fatigue studies on a modified 9Cr–1Mo ferritic martensitic steel
TL;DR: In-phase and out-of-phase thermomechanical fatigue (TMF) tests were carried out on a modified 9Cr-1Mo ferritic martensitic steel under a mechanical strain control mode employing a strain amplitude of ± 0.4%.
Book ChapterDOI
Ferritic Steels and Advanced Ferritic–Martensitic Steels
Baldev Raj,M. Vijayalakshmi +1 more
TL;DR: In this paper, the authors reviewed the present status of the ferritic steels and future directions and identified guidelines for overcoming the abovementioned problems, leading to the development of advanced ferritic/ferritic-martensitic steels.
Journal ArticleDOI
Microstructure characterization and HCF fracture mode transition for modified 9Cr-1Mo dissimilarly welded joint at different elevated temperatures
TL;DR: In this article, the high cycle fatigue (HCF) tests of modified 9Cr-1Mo dissimilarly welded joint were carried out at different elevated temperatures and the fracture mechanism was systematically revealed.
Journal ArticleDOI
Building on knowledge base of sodium cooled fast spectrum reactors to develop materials technology for fusion reactors
Baldev Raj,K. Bhanu Sankara Rao +1 more
TL;DR: In this paper, the authors present the current status of knowledge on various aspects of fission and fusion systems with emphasis on cross fertilization of research and discuss the usage of non-destructive examination techniques in characterization of deformation, fracture and various microstructural features in SFR materials.
References
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Behavior of materials under conditions of thermal stress
TL;DR: In this article, a review of available information on the behavior of brittle and ductile materials under conditions of thermal stress and thermal shock is presented, and a simple formula relating physical properties to thermal-shock resistance is derived and used to determine the relative significance of two indices currently in use for rating materials.
Journal ArticleDOI
Fatigue crack propagation—an analysis
TL;DR: In this paper, the basic laws governing fatigue are derived theoretically for failure in both the high and low stress regions, and the material parameters controlling crack propagation determined, and a simple theory is developed to assess quantitatively the mechanism of fatigue crack propagation in metals.
Journal ArticleDOI
Design of Pressure Vessels for Low-Cycle Fatigue
TL;DR: In this article, a fatigue curve based on strain-fatigue data for use in pressure vessel design is presented. But the focus of this paper is not on the design of a pressure vessel, but on how to evaluate the effects of combined mean and alternating stress.
Book ChapterDOI
Mechanics of Materials in Low Cycle Fatigue Testing
J. D. Morrow,D. T. Raske +1 more
TL;DR: In this paper, the authors discuss repeated plastic straining effect on mechanical properties, including low cycle fatigue resistance, and discussed repeated plastic strain effects on the mechanical properties of metal components.