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TH25 Carbon Macro Segregation in Large Nuclear Forgings
Regions of carbon macro segregation can be present in large nuclear components as a result of certain manufacturing processes. These regions of high carbon exhibit a localized increase in the strength and decrease in the fracture toughness of the steel. If a region of macro carbon segregation is present in a component, questions about the component’s structural integrity may arise. This session focuses on the technical topics associated with localized carbon macro segregation including the manufacturing process that could lead to this anomaly and its potential impacts on the integrity of large nuclear components.
SESSION CHAIR(S):
- Mary Jane Ross-Lee, Deputy Director, Division of Engineering, NRR/NRC tel: 301-415-3298, e-mail: MaryJane.Ross-Lee@nrc.gov
SPEAKER(S):
- Welcome RemarksMary Jane Ross-Lee, Deputy Director, Division of Engineering, NRR/NRC
- Timothy C. Hardin, Technical Executive, Electric Power Research Institute
- Michael Hoehn, II, Supervising Engineer, Ameren Missouri - Callaway Energy Center
- Robert Tregoning, Senior Technical Advisor for Material Engineering Issues, Division of Engineering
- Jessie Fourché, Senior Inspector at ASN Pressure Equipment Department, French Nuclear Safety Authority (ASN)
- Takayoshi Nezuka, Deputy Director, Nuclear Regulation Policy Planning Division, Nuclear Regulation Authority, Japan
SESSION COORDINATOR(S):
- David Rudland, Branch Chief, Division of Engineering, NRR/NRC tel: 301-415-1896, e-mail: David.Rudland@nrc.gov
Page Last Reviewed/Updated Friday, June 09, 2017