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Nitrogen Additions to Type 316L Stainless Steel to Enhance its High Temperature Performance for Structural Applications in Fast Reactors
- Authors: M. Vasudevan1, V. Karthik2, A. Nagesha3, G. V. Prasad Reddy4
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View Affiliations Hide AffiliationsAffiliations: 1 Materials Development and Technology Group, Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Tamil Nadu, India 2 Materials Development and Technology Group, Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Tamil Nadu, India 3 Materials Development and Technology Group, Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Tamil Nadu, India 4 Materials Development and Technology Group, Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Tamil Nadu, India
- Source: Advanced Materials for Emerging Applications (Innovations, Improvements, Inclusion and Impact) , pp 80-111
- Publication Date: May 2024
- Language: English
Nitrogen Additions to Type 316L Stainless Steel to Enhance its High Temperature Performance for Structural Applications in Fast Reactors, Page 1 of 1
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The high-temperature performance of the nitrogen added 316L stainless steels including the high-temperature mechanical properties, workability and weldability have been investigated in detail by systematic studies with nitrogen contents in the range of 0.07-0.22wt.%. Strength and creep resistance were found to increase with increasing nitrogen content at room and elevated temperatures. However, resistance to creep-fatigue damage, fracture toughness, resistance to fatigue crack growth, workability, and weldability were found to degrade beyond 0.14wt% of nitrogen content at service temperature. Therefore, the maximum nitrogen content in 316L stainless steel is recommended to be 0.14wt% for better high-temperature performance in structural applications of fast reactors.
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