Journal ArticleDOI
Diffusible Hydrogen Level in Deposited Metal and Their Effect on Tensile Properties and Flexural Strength of P91 Steel
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This article is published in Journal of Engineering Materials and Technology-transactions of The Asme.The article was published on 2017-07-01. It has received 32 citations till now. The article focuses on the topics: Flexural strength & Ultimate tensile strength.read more
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Some studies on P91 steel and their weldments
TL;DR: In this article, microstructure evolution in P91 steel and their weldments are reviewed in as-virgin and heat treatment and creep exposure condition, and the role of grain coarsening, Cr/Fe ratio, lath widening and dislocation density on creep rupture life of base metal and weldments is discussed.
Journal ArticleDOI
Microstructure and mechanical property relationship for different heat treatment and hydrogen level in multi-pass welded P91 steel joint
TL;DR: In this paper, the effect of heat treatment condition and diffusible hydrogen level on microstructure and mechanical properties of multi-pass shielded metal arc welded (SMAW) P91 steel butt joints of 18mm thickness has been studied.
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Comparative study of autogenous tungsten inert gas welding and tungsten arc welding with filler wire for dissimilar P91 and P92 steel weld joint
TL;DR: In this paper, the microstructure evolution in sub-zones and mechanical properties of dissimilar welded joints were studied in as-welded and post weld heat treatment (PWHT) condition.
Journal ArticleDOI
Effect of Weld Consumable Conditioning on the Diffusible Hydrogen and Subsequent Residual Stress and Flexural Strength of Multipass Welded P91 Steels
TL;DR: In this paper, the effects of diffusible hydrogen content on the flexural strength, lower critical stress, and tensile strength of P91 steel welds were also determined with respect to different electrode conditions.
Journal ArticleDOI
A comparative study of ductile-brittle transition behavior and fractography of P91 and P92 steel
Nitin Saini,Chandan Pandey,Manas Mohan Mahapatra,Harendra Kumar Narang,Rahul S. Mulik,Pradeep Kumar +5 more
TL;DR: In this paper, a Charpy toughness test was performed on creep strength enhanced ferritic P91 and P92 steel and the fracture surface revealed the brittle mode of fracture at a lower temperature for both the steels while the mixed modes of fracture was noticed at room temperature and above.
References
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Ferritic/martensitic steels for next-generation reactors
Ronald L. Klueh,Andrew T. Nelson +1 more
TL;DR: In this article, the authors investigated the use of elevated-temperature ferritic/martensitic steels for in-core and out-of-core applications for the next generation of nuclear power reactors.
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Structural materials for Gen-IV nuclear reactors: Challenges and opportunities
TL;DR: This paper presents a summary of various Gen-IV reactor concepts, with emphasis on the structural materials issues depending on the specific application areas, and demonstrates that novel alloy and microstructural design approaches coupled with new materials processing and fabrication techniques may mitigate the challenges.
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Strengthening Mechanisms of Creep Resistant Tempered Martensitic Steel
TL;DR: In this article, the authors reviewed the creep deformation resistance and rupture life of high Cr ferritic steel with a tempered martensitic lath structure, and focused on the following three subjects: creep mechanism of the ferritic steels, its alloy design for further strengthening, and loss of its creep rupture strength after long-term use.
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High efficiency electric power generation: The environmental role
TL;DR: In this article, a review of electric power generation system development with special attention to plant efficiency is presented, including coal-fired Rankine cycle steam plants with advanced steam parameters, natural gas-fired gas turbine-steam, and coal gasification combined cycle plants.
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Elevated temperature ferritic and martensitic steels and their application to future nuclear reactors
TL;DR: In the 1970s, high chromium (9-12%Cr) ferritic/martensitic steels became candidates for elevated temperature applications in the core of fast reactors.