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WEDNESDAY 3 OCTOBER 2018
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08:30
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REGISTRATION AND REFRESHMENTS
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09:05
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CHAIR’S OPENING REMARKS
Mark Shannon, Project Management Office, UKAEA
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PREVENTING ACCIDENTS THROUGH UNDERSTANDING
CHALLENGES
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09:15
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KEYNOTE: OUTCOME OF ENVIRONMENT AGENCY
INSPECTION OF ASSET MANAGEMENT ON NUCLEAR SITES IN ENGLAND AND WALES
Karl Littlewood, Nuclear Regulation Group
South, Team Leader, Environment Agency
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Status of asset management
across five main themes
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Observations of good practice
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Recommendations for
continuing improvement
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09:40
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IRRADIATION DAMAGE: CORRELATING
MICROSTRUCTURAL OBSERVATIONS WITH CHANGES IN MATERIAL PROPERTIES IN NUCLEAR
POWER PLANTS
Paul Styman, Materials Scientist, National
Nuclear Laboratory
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The effect of irradiation on
microstructure
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Complementary use of
microstructural techniques
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Impacts on material
properties and development of dose-damage relationships for Reactor Pressure
Vessel steels
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10:05
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QUESTION
AND ANSWER SESSION
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10:25
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NETWORKING REFRESHMENT BREAK
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IN-OPERATION NUCLEAR CASE STUDIES
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11:05
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EFFECT OF IN-SERVICE CARBURISATION ON
AUSTENITIC STAINLESS STEELS
Jacob Knight, Assessment Technology
Engineer, Assessment Technology Group, CTO Structural Integrity Branch, EDF
Energy
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Effects of high temperature
CO2 on structural properties of stainless steels
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Impact on crack initiation
and component lifetime
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Approach for accounting for
carburisation
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11:30
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FRACTURE MECHANICS ASSESSMENT OF THERMALLY
AGED ADVANCED GAS-COOLED REACTOR FUEL PLUG UNITS
Tom Siddall, Group Head, Structural
Analysis Group, CTO Structural Integrity Branch, EDF Energy
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Thermal ageing, swelling of
austenitic steel and associated snagging fault loading within fuel plug units
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Reduction in fracture
toughness of 347 casting, due to the effects of thermal ageing
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Development of probabilistic
structural integrity assessments to underwrite safe handling of irradiated
fuel assemblies
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11:55
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QUESTION AND ANSWER SESSION
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12:05
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PANEL
DISCUSSION: SUCCESSFULLY EXTENDING MATERIALS OPERATIONAL LIFE
Chair: Mark Shannon, Project Management
Office, UKAEA
Tom Siddall, Group Head, Structural
Analysis Group, CTO Structural Integrity Branch, EDF Energy
Christopher Bell,
Head of Reactor Components – SMR, Civil Nuclear, Rolls-Royce plc
David Stoddart, Research
Manager, Nuclear AMRC
Paul Mummery,
Chair in Nuclear Materials, School of Mechanical, Aerospace, and Civil
Engineering, University of Manchester
·
How to deal with ageing
materials in order to ensure durability and safety?
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How to reduce costs without
compromising results?
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Where to focus maintenance
efforts for long-term management?
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12:45
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NETWORKING LUNCH
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INTERPRETING DATA
AND RISK MITIGATION
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13:45
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IRRADIATION
DAMAGE IN NUCLEAR GRAPHITE: EFFECTS ON PROPERTIES AND STRUCTURAL INTEGRITY OF
ADVANCED GAS-COOLED REACTOR CORE COMPONENTS
Paul Mummery,
Chair in Nuclear Materials, School of Mechanical, Aerospace, and Civil
Engineering, University of Manchester
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Generation and interpretation
of irradiated graphite data
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Performing mechanical tests
on irradiated graphite
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Factors determining
structural integrity of Advanced Gas-Cooled Reactor cores
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14:10
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GOING OFF THE RAILS - A GOLIATH
CHALLENGE: A CASE STUDY OF MATERIAL
FAILURE IN A NUCLEAR POLAR CRANE RAIL
Jennifer Gilmour, Senior Mechanical
Engineer, Dounreay Site Restoration Ltd.
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Root Cause Analysis - theory
v inspection results
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Overcoming challenges
associated with the recovery of an aging asset
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Lessons learned - looking for
clues and learning to listen.
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14:35
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MEETING REGULATORY EXPECTATIONS FOR
MATERIALS INTEGRITY ON OPERATING REACTORS
Russell
Green, Nuclear Safety Inspector – Structural Integrity – Operating
Facilities, Office for Nuclear Regulation
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Understanding regulatory
expectations with reference to ageing and degradation of existing plant.
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Demonstration of integrity
through defect tolerance and in service inspection for operating reactors.
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Assessment of reactive and
proactive plant modification/operation to support continued operation.
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15:00
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QUESTION AND ANSWER SESSION
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15:15
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NETWORKING REFRESHMENT BREAK
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MANAGING NUCLEAR
MATERIALS CHALLENGES INTO THE FUTURE
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15:45
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CONSIDERATIONS FOR LONG TERM DESIGN LIFE
FOR DECOMMISSIONING SITES
Paul
Whiteside, Senior Materials Engineer, Inspection & Certification Group,
Sellafield
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Materials selection to
prevent damage and failures
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Manufacturing controls to
achieve long life
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Environmental considerations:
dealing with radiation
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16:10
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UK
SMALL MODULAR REACTOR: UNDERSTANDING MATERIALS CHALLENGES
Christopher Bell,
Head of Reactor Components – SMR, Civil Nuclear, Rolls-Royce plc
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UK SMR key design
requirements
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Structural integrity and
materials challenges from previous reactors
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UK SMR approach to materials
and integrity demonstration
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16:35
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STRUCTURAL
INTEGRITY OF FUSION, PREDICTING FUTURE NEEDS
Michael
Gorley, Materials Technology Programme Manager, UKAEA
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Overview of the Structural
Integrity challenges of Fusion
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Review differences in
Fission and Fusion materials and failure modes
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Applying lessons learned in
fission programmes to make plans for fusion testing
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17:00
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QUESTION AND ANSWER
SESSION
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17:15
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CHAIR’S CLOSING
REMARKS
Mark Shannon, Project
Management Office, UKAEA
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17:20
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END OF SEMINAR
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