ML061810182

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Presentation Materials: Crack Growth Rates in a PWR Environment of Nickel-Base Alloy Welds from the Davis-Besse and V.C. Summer Plants, by Bogdan Alexandreanu, Omesh Chopra, and Bill Shack
ML061810182
Person / Time
Site: Davis Besse, Summer  Cleveland Electric icon.png
Issue date: 07/07/2006
From: Cunningham M
NRC/RES/DFERR
To: Bill Dean
NRC/EDO/AO
Cullen W 301-4157510
Shared Package
ML061810190 List:
References
Download: ML061810182 (2)


Text

July 7, 2006 MEMORANDUM TO: William M. Dean, Assistant for Operations Office of the Executive Director for Operations FROM: Mark A. Cunningham, Director /RA/ Sher Bahdur for Division of Fuel, Engineering & Radiological Research Office of Nuclear Regulatory Research

SUBJECT:

PRESENTATION MATERIALS: CRACK GROWTH RATES IN A PWR ENVIRONMENT OF NICKEL-BASE ALLOY WELDS FROM THE DAVIS-BESSE AND V.C. SUMMER PLANTS, BY BOGDAN ALEXANDREANU, OMESH CHOPRA, AND BILL SHACK This memorandum conveys the enclosed copy of the materials for a presentation on crack growth rates of nickel alloy welds in a pressurized-water reactor (PWR) environment from the Davis-Besse and Virgil C. Summer nuclear power stations.1 Bogdan Alexandreanu, coauthors from Argonne National Laboratory, and Dr. William Cullen of NRC have prepared this presentation for the 6th International Symposium on Contribution of Materials Investigations To Improve the Safety and Performance of Light-Water Reactors (Fontevraud 6), sponsored by the French Nuclear Energy Society (SFEN), which will take place on September 18-22, 2006. Details regarding the conference are as follows:

Meeting: Fontevraud 6 International Symposium: Contribution of Materials Investigations To Improve the Safety and Performance of Light-Water Reactors Place: Fontevraud, France Dates: September 18-22, 2006 Authors: Bogdan Alexandreanu, Omesh Chopra, and Bill Shack

Title:

Crack Growth Rates in a PWR Environment of Nickel-Base Alloy Welds from the Davis-Besse and V.C. Summer Plants The data and conclusions in this presentation were produced under Job Code Number (JCN)

Y6388, Environmentally Assisted Cracking in Light-Water Reactor Materials, administered by the NRCs Office of Nuclear Regulatory Research, Division of Fuel, Engineering & Radiological Research, Materials Engineering Directorate, Corrosion and Metallurgy Branch.

We are providing this package for your information to comply with Management Directive 3.9, NRC Staff and Contractor Speeches, Papers, and Journal Articles on Regulatory and Technical Subjects, and subsequent guidance from the Office of the Executive Director for Operations.

You may freely transmit this package to the Commissioners Assistants and others who may be interested. This presentation does not contain any information related to policy issues of concern to the NRC.

Enclosure:

As stated CONTACT: William H. Cullen, RES/DFERR 301-415-7510 1

The presentation materials may also be found in the NRCs Agencywide Documents Access and Management System (ADAMS) under Accession #ML061800263.

July 7, 2006 MEMORANDUM TO: William M. Dean, Assistant for Operations Office of the Executive Director for Operations FROM: Mark A. Cunningham, Director /RA/ Sher Bahdur for Division of Fuel, Engineering & Radiological Research Office of Nuclear Regulatory Research

SUBJECT:

PRESENTATION MATERIALS: CRACK GROWTH RATES IN A PWR ENVIRONMENT OF NICKEL-BASE ALLOY WELDS FROM THE DAVIS-BESSE AND V.C. SUMMER PLANTS, BY BOGDAN ALEXANDREANU, OMESH CHOPRA, AND BILL SHACK This memorandum conveys the enclosed copy of the materials for a presentation on crack growth rates of nickel alloy welds in a pressurized-water reactor (PWR) environment from the Davis-Besse and Virgil C. Summer nuclear power stations.1 Bogdan Alexandreanu, coauthors from Argonne National Laboratory, and Dr. William Cullen of NRC have prepared this presentation for the 6th International Symposium on Contribution of Materials Investigations To Improve the Safety and Performance of Light-Water Reactors (Fontevraud 6), sponsored by the French Nuclear Energy Society (SFEN), which will take place on September 18-22, 2006. Details regarding the conference are as follows:

Meeting: Fontevraud 6 International Symposium: Contribution of Materials Investigations To Improve the Safety and Performance of Light-Water Reactors Place: Fontevraud, France Dates: September 18-22, 2006 Authors: Bogdan Alexandreanu, Omesh Chopra, and Bill Shack

Title:

Crack Growth Rates in a PWR Environment of Nickel-Base Alloy Welds from the Davis-Besse and V.C. Summer Plants The data and conclusions in this presentation were produced under Job Code Number (JCN)

Y6388, Environmentally Assisted Cracking in Light-Water Reactor Materials, administered by the NRCs Office of Nuclear Regulatory Research, Division of Fuel, Engineering & Radiological Research, Materials Engineering Directorate, Corrosion and Metallurgy Branch.

We are providing this package for your information to comply with Management Directive 3.9, NRC Staff and Contractor Speeches, Papers, and Journal Articles on Regulatory and Technical Subjects, and subsequent guidance from the Office of the Executive Director for Operations.

You may freely transmit this package to the Commissioners Assistants and others who may be interested. This presentation does not contain any information related to policy issues of concern to the NRC.

Enclosure:

As stated CONTACT: William H. Cullen, RES/DFERR 301-415-7510 DISTRIBUTION: DFERR r/f ME r/f DMarie-Perez JWiggins BSheron VPerin OAR in ADAMS? (Y or N) Y ADAMS ACCESSION NO: Pkg. ML061810190 TEMPLATE NO. RES-006 Publicly Available? (Y or N) Y DATE OF RELEASE TO PUBLIC: SENSITIVE? N To receive a copy of this document, indicate in the box: C = Copy without attachment/enclosure E = Copy with attachment /enclosure N = No copy OFFICE RES/DFERR/CMB RES/DFERR/CMB RES/DFERR/ME RES N NAME W. Cullen A. Valentin J. Uhle P. Garrity DATE 06/30/06 06/30/06 07/03/06 07/06/06 OFFICE RES/DFERR NAME M. Cunningham S.Bahadur for DATE 07/ 07 /06 OFFICIAL RECORD COPY 1

The presentation materials may also be found in the NRCs Agencywide Documents Access and Management System (ADAMS) under Accession #ML061800263.