Recent Publications

2010

1. D.J. Shim, G. Wilkowski, D.M. Duan, J. Zhou, Effect of Fracture Speed on Ductile Fracture Resistance - Part 1: Experimental, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



2. D.M. Duan, J. Zhou, D.J. Shim, G. Wilkowski, Effect of Fracture Speed on Ductile Fracture Resistance - Part 2: Results and Application, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



3. D.J. Shim, G. Wilkowski, F. Brust, D. Horsley, M. Toch, Applicability of Existing Fracture Initiation Models to High-Strength Steel Line Pipe, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



4. G. Wilkowski, D.J. Shim, F. Brust, S. Kalyanam, Reality Check on Girth Weld Defect Acceptance Criteria, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



5. G. Wilkowski, D.J. Shim, F. Brust, S. Kalyanam, Why Conduct SENT Tests and Considerations in Conducting/Analyzing SENT Testing, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



6. Kenneth E. Starling, G. M. Wilkowski, James McKechnie, Improvements to Rich Gas Decompression Predictions for Offshore Pipelines, 8th International Pipeline Conference, Calgary, Alberta, Canada, September 27-October 1.



7. P. Krishnaswamy, D.J. Shim, E. Focht, A Comprehensive Review of Forecasting Models for Predicting Service Life of Polyethylene Piping for Nuclear Safety-Related Applications, Plastic Pipes XV, Vancounver, BC, Canada, September 20-22.



8. G. Wilkowski, D.-J. Shim, F. Brust, Mahendra D. Rana, Failure Investigation of a 500 Gallon LN2 Storage Tank, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



9. D.J. Shim, S. Kalyanam, E. Punch, T. Zhang, F. Brust, G. Wilkowski, A. Goodfellow, M. Smith, Advance Finite Element Analysis (AFEA) Evaluation for Circumferential and Axial PWSCC Defects, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



10. F. Brust, T. Zhang, D.J. Shim, S. Kalyanam, G. Wilkowski, M. Smith, A. Goodfellow, Summary of Weld Residual Stress Analyses for Dissimilar Metal Weld Nozzles, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



11. T. Zhang, F. Brust, D.J. Shim, G. Wilkowski, J. Nie, C. Hofmayer, S. Ali, Analysis of JNES Seismic Tests on Degraded Piping, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



12. TD. Rudland, F. Brust, D.J. Shim, T. Zhang, Further Flaw Tolerance Assessment of Dissimilar Metal Welds with Alloy 52 Inlays, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



13. M. Smith, O. Muransky, A. Goodfellow, E. Kingston, P. Freyer, S. Marlette, G. Wilkowski, F. Brust, D.J. Shim, The Impact of Key Simulation Variables on Predicted Residual Stresses in Pressuriser Nozzle Dissimilar Metal Weld Mock-Ups, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



14. D.J. Shim, S Kalyanam, P. Krishnaswamy, Viscoelastic Finite Element Modeling of Bimodal High Density Polyethylene (HDPE) Piping Materials for Nuclear Safety-Related Applications, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



15. Frederick W. Brust, David Rudland, Tao Zhang, Three Dimensional Computational Weld Modeling: Issues and Examples, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



16. Frederick W. Brust David Rudland, DJ Shim, E. F. Punch, S Kalyanam, G. Wilkowski, Natural PWSCC Crack Growth in Dissimilar Metal Welds With Inlay, ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.



17. Tao Zhang, Bud Brust, Gery Wilkowski, S. Ranganath, Y Tsai, C. Huang, R. Liu, Weld Residual Stress Analysis and the Effects of Structural Overlay on Various Nuclear Power Plant Nozzles ASME 2010 Pressure Vessels and Piping Conference, Bellevue, WA, July 18-22.

2009

1. A. Csontos, D. Rudland, D.J. Shim, Advanced Finite Element Flaw Growth Analysis of Stress Corrosion Cracks in Dissimilar Metal Butt Welds, TMS 2009 138th Annual Meeting & Exhibition, San Francisco, February 15-19 2009.



2. S. Kalyanam, C. T. Sun., Modeling the fracture behavior of piezoelectric materials using a gradual polarization switching model, Mechanics of Materials, Vol. 41, Issue 5, May 2009, Pg. 520-534.



3. D.J. Shim, E. Kurth, F. Brust, G. Wilkowski, A. Csontos, D. Rudland, Crack-Opening Displacement and Leak-Rate Calculations for Full Structural Weld Overlays, 2009 ASME Pressure Vessels and Piping Conference, PVP2009-77966, Prague, Czech Republic, July 26-30, 2009.



4. D.J. Shim, P. Krishnaswamy, E. Focht, Comparison of Parent and Butt Fusion Material Properties of High Density Polyethylene, 2009 ASME Pressure Vessels and Piping Conference, PVP2009-78066, Prague, Czech Republic, July 26-30, 2009.



5. F. Brust, G. Wilkowski, D.J. Shim, T. Zhang, E. Kurth, Welding Distortion Control Methods And Applications of Weld Modeling, 2009 ASME Pressure Vessels and Piping Conference, PVP2009-78113, Prague, Czech Republic, July 26-30, 2009.



6. G. Wilkowski, D.-J. Shim, F. Brust, M. Rana, N. White, Failure Investigation of a 500 Gallon LN2 Storage Vessel, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



7. D. Rudland, A. Csontos, F.W. Brust, T. Zhang, Welding Residual Stress and Flaw Evaluation for Dissimilar Metal Welds with Alloy 52 Inlays, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



8. T. Zhang, F. W. Brust, G. Wilkowski, D. Rudland, A. Csontos, Welding Residual Stress and Multiple Flaw Evaluation for Reactor Pressure Vessel Head Replacement Welds with Alloy 52, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



9. L. Fredette, P. M. Scott, F. W. Brust, A. Csontos, An Analytical Evaluation of the Full Structural Weld Overlay as a Stress Improving Mitigation Strategy to Prevent Primary Water Stress Corrosion Cracking in Pressurized Water Reactor Piping, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



10. L. Fredette, P. M. Scott, F. W. Brust, A. Csontos, An Analytical Evaluation of the Effect of Weld Sequencing on Residual Stresses Produced by Full Structural Weld Overlays on Pressurized Water Reactor Primary Cooling Piping, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



11. L. Fredette, P. M. Scott, F. W. Brust, A. Csontos, An Analytical Evaluation of the Effect of Weld Material Thickness on Residual Stresses Produced by Structural Weld Overlays on Pressurized Water Reactor Primary Cooling Piping, 2009 ASME Pressure Vessels and Piping Conference, Prague, Czech Republic, July 26-30, 2009.



12. F. Brust, D.J. Shim, T. Zhang, G. Wilkowski, E. Sullivan, D. Rudland, A. Csontos, Welding Residual Stress for Dissimilar Metal Welds With Alloy 52M Inlays and Corresponding Flaw Evaluations, 14th International Conference on Environmental Degradation of Materials in Nuclear Power Systems, Presentation Only, Virginia Beach, August 23-27, 2009.



13. S. Kalyanam, A. J. Beaudoin, R. H. Dodds Jr., F. Barlat, Delamination cracking in advanced aluminum-lithium alloys - Experimental and computational studies, Engineering Fracture Mechanics, Vol. 76, Issue 14, September 2009, Pg. 2174-2191.



14. G. Wilkowski, D.J. Shim, F. Brust, P. Krishnaswamy, D. Rudland, Inherent Safety Factors in the API Girth Weld Defect Tolerance Analysis - Part II, 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



15. G. Wilkowski, D.J. Shim, G. Wall, P. Mincer, D. Rider, E. Kurth F. Brust, D. Rudland, Using d-c Electric Potential for Crack Initiation/Growth Monitoring During Testing of Weld Metal Fracture Specimens, 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



16. G. Wilkowski, D.J. Shim, F. Brust, D. Rudland, D. Duan, Evaluation of Fracture Speed on Ductile Fracture Resistance, 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



17. G. Wilkowski, D.J. Shim, T. Zhang, F. Brust, Consequence of Girth Weld Failure Under Combined Stress and Strain Based Loading - How to Understand and Control It, 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



18. F. Brust, T. Zhang, D.J. Shim, G. Wilkowski, Pipeline and Vessel Weld Repair Issues and Guidelines Using Three Dimensional Weld Modeling Tools, 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



19. F. Brust, G. Wilkowski, X. Yu, S. Babu, Micro-structure and Hardness Prediction of Line Pipe Steel Using Computational Weld Mechanics 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.



20. X. Yu, S. Babu, F. Brust, G. Wilkowski, A Generalized Microstructure Model For Microalloyed High Strength Pipeline Weldments 2009 Pipeline Technology Conference, Oostende, Belgium, October 12 - 14, 2009.

2008

1. Dr. David Lawrence Rudland, Frederick Brust and Aladar Csontos, "Uncertainties in Dissimilar Metal Weld Residual Stress Modeling," 8th International Symposium of the Japan Welding Society (8WS), Kyoto, Japan, November 16-18, 2008



2. F. W. Brust, D. Rudland, T. Zhang and A. Csontos, "Three Dimensional Aspects of Weld Modeling and Crack Growth in Weld Residual Stress Fields" 8th International Symposium of the Japan Welding Society (8WS), Kyoto, Japan, November 16-18, 2008



3. D. Rudland, D.-J. Shim, G. Wilkowski, S. Kawaguchi, N. Hagiwara, and D. Horsley, “Effects of soil cohesiveness and depth on dynamic ductile fracture speeds," IPC2008-64461, Proceedings of IPC 2008, 2008 International Pipeline Conference, September 29-October 3, 2008, Calgary, Alberta, Canada.



4. D. Rudland, G. Mannucci, R. Andrews, and S. Kawaguchi, “Comparison of soil properties from world-wide full-scale pipe testing facilities,” IPC2008-64459, Proceedings of IPC 2008, 2008 International Pipeline Conference, September 29-October 3, 2008, Calgary, Alberta, Canada.



5. G. Wilkowski, D. Rudland, D.-J. Shim, and D. Horsley, "Predicting the Brittle-to-Ductile Transition Temperatures for Surface Cracks in Pipeline Girth Welds - It's Better Than You Thought" IPC2008-64658, Proceedings of IPC 2008, 7th International Pipeline Conference, September 29-October 3, 2008, Calgary, Alberta, Canada.



6. D.-J. Shim, G. Wilkowski, D. Rudland, B. Rothwell, and J. Merritt, "Numerical Simulation of Dynamic Ductile Fracture Propagation Using Cohesive Zone Modeling," IPC2008-64049, Proceedings of IPC 2008, 7th International Pipeline Conference, September 29-October 3, 2008, Calgary, Alberta, Canada.



7. D. Rudland, T. Zhang, G. Wilkowski, and A. Csontos, “Welding Residual Stress Solutions for Dissimilar Metal Surge Line Nozzles Welds,” PVP2008-61285, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



8. D. Rudland, D.-J. Shim and A. Csontos, “Natural Flaw Shape Development Due To Stress Corrosion Cracking,” PVP2008-61205, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



9. F. Brust and D. Rudland, “Three Dimensional Aspects Of Computational Weld Modeling," PVP2008-61558, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



10. D.-J. Shim, D. Rudland, G. Wilkowski, B. Brust, and K. Ogawa, “Development Of Z-Factor For Circumferential Part-Through Surface Cracks In Dissimilar Metal Welds,” PVP2008-61110, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



11. W. Bamford, R. Cipolla, D. Rudland, and G. Deboo, “Technical Basis for Revisions to IWB 3640 for Alloy 600/82/182 Flaw Evaluation in both PWR and BWR Environments,” PVP2008-61840, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



12. T. Zhang, G. Wilkowski, D. Rudland, F. Brust, H. Mehta, D. Sommerville, and Y. Chen, “Weld-Overlay Analyses – An Investigation of the Effect of Weld Sequencing,” PVP2008-61560, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



13. F. W. Brust, I. Raju, N. Knight, D. Dawicke, D. Phillips, and C. Derrick, "Weld Residual Stress and Distortion Analysis of the ARES I-X Upper Stage Simulator (USS)," PVP2008-61247, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



14. L. Fredette, P. M. Scott, and F. W. Brust, Jr., "An Analytical Evaluation of the Efficacy of the Mechanical Stress Improvement Process in Pressurized Water Reactor Primary Cooling Piping," PVP2008-61484, Proceedings of ASME-PVP 2008, 2008 ASME Pressure Vessels and Piping Division Conference, July 27-31, 2008, Chicago, IL, USA.



15. P. Krishnaswamy, E. Focht, D.-J. Shim, and T. Zhang, "Use of Polyethylene (PE) Pipe in Safety-Related, Class 3, Service-Water Piping," ICONE16-48830, Proceedings of the 16th International Conference on Nuclear Engineering, ICONE16, May 11-15, 2008, Orlando, Florida, USA.



16. N. Chokshi, S. Shaukat, A. Hiser, G. DeGrassi, G. Wilkowski, R. Olson, and J. Johnson, "Seismic Considerations for the Transition Break Size," NUREG-1903, February 2008.



17. Oh, J., Katsube, N., and Brust, F.W., “Numerical Analysis of the Effect of Diffusion and Creep Flow on Cavity Growth,” Computers, Materials and Continua CMC, Vol. 183, No. 1, pp.1-29, 2008. (Final Galley Proofs Submitted and Approved).



18. D.-J. Shim, G. Wilkowski, and D. Rudland, "Determination of the Elastic-Plastic Fracture Mechanics Z-Factor for Alloy 182 Weld Metal Flaws", International Journal of Pressure Vessels and Piping, Accepted for publication, 2008.



19. N.-S. Huh, D.-J. Shim, S. Choi, G. Wilkowski, and J.-S. Yang, "Stress Intensity Factors for Slanted Through-Wall Cracks Based on Elastic Finite Element Analyses," Fatigue and Fracture of Engineering Materials and Structures, Vol. 31(2), pp.197-209, 2008.



20. N.-S. Huh, D.-J. Shim, S. Choi, and K.-B. Park, "Stress Intensity Factors and Crack Opening Displacements for Slanted Axial Through-Wall Cracks in Pressurized Pipes," Fatigue and Fracture of Engineering Materials and Structures, Vol. 31(6), pp. 428-440, 2008.

2007

1. Oh, J., Brust, F. W., "Studies on Effect of Cyclic Loading on Grain Boundary Rupture Time," Journal of Engineering Materials and Technology, Vol. 129, pp. 1-10, January 2007.



2. Oh, J., Katsube, N., and Brust, F. W., "Numerical Analysis of the Effect of Diffusion and Creep Flow on Cavity Growth," Computers, Materials, and Continua CMC, Vol.183, No.1, pp.1-29, 2008. (Final Galley Proofs Submitted and Approved).



3. Brust, F. W., "Challenges in Industrial Failure Prevention and the Role of Computational Modeling," Proceedings of 2007 International Conference on Computational & Experimental Engineering & Sciences," Edited by S. N. Atluri, Miami, Florida, January 1-6, 2007.



4. Kurth, R. E., and Brust, F. W., "Mechanics Based Approach to Predicting Material Life in a Corrosive Environment," Proceedings of Aging Aircraft Conference, Palm Springs, CA, April 16-19, 2007.



5. D. Rudland, Y. Chen, Wilkowski, G., and Csontos, A., “Effect of Hardening Law Assumption on Weld Residual Stress Predictions,” 2007 PWSCC of Alloy 600 International Conference & Exhibit Show, Renaissance Waverly Hotel, Atlanta, GA, June 11-14, 2007.



6. D. Rudland, Shim, D.-J., Xu, H., Wilkowski, G., and Csontos, A., “Evaluation of Wolf Creek Pressurizer Flaw Indications,” 2007 PWSCC of Alloy 600 International Conference & Exhibit Show, Renaissance Waverly Hotel, Atlanta, GA, June 11-14, 2007.



7. Brust, F. W., and Scott, P. M., "Weld Residual Stresses and Primary Water Stress Corrosion Cracking in Bimetal Nuclear Pipe Welds," PVP 2007-26297, Proceedings of ASME PVP 2007/Creep 8 Conference, July 22-26, 2007, San Antonio, Texas.



8. Brust, F. W., and Oh, J., "Numerical Analysis of the Effect of Diffusion and Creep Flow on Cavity Growth," PVP 2007-26631, Proceedings of ASME PVP 2007/Creep 8 Conference, July 22-26, San Antonio, Texas.



9. Brust, F. W., and Scott, P. M., "Weld Distortion Control Methods and Applications of Weld Modeling," Proceedings of 19th International Conference on Structural Mechanics Reactor Technology (SMiRT 19), August 12-17, 2007, Toronto, Canada.



10. Brust, F. W., and Scott, P. M., "Primary Water Stress Corrosion Cracking (PWSCC) in Bimetal Nuclear Pipe Welds - Analysis Considerations," Proceedings of 19th International Conference on Structural Mechanics in Reactor Technology (SMiRT 19), August 12-17, 2007, Toronto, Canada.



11. A. Csontos, D. Rudland, D.-J. Shim, H. Xu, and G. Wilkowski, “Flaw Evaluation of Wolf Creek Pressurizer Nozzle Indications,” 13th International Conference on Environmental Degradation in Nuclear Power Systems, Whistler, British Columbia, August 19 - 23, 2007.



12. Scott, P., Brust, F., Rudland, D., and Wilkowski, G., “Overview of the MERIT (Maximizing Enhancements in Risk-Informed Technology) Program,” Transactions, SMiRT 19, Toronto, August 2007.



13. Y.-J. Kim, C.-K. Oh, T.K. Song, and D.-J. Shim, "Finite Element Ductile Failure Simulations of Tensile and Bend Bars Made of API X65 Steels," PVP2007-26218, Proceedings of ASME-PVP 2007:, 2007 ASME Pressure Vessels and Piping Division Conference, July 22-26, 2007, San Antonio, TX, USA.



14. Nam-Su Huh, Ji-Ho Kim, Do-Jun Shim, Gery M. Wilkowski and Jun-Seok Yang, "Stress Intensity Factors of Slanted Through-Wall Cracks in Plate and Cylinder," PVP2007-26209, Proceeding of ASME-PVP 2007, July 22-26, 2007, San Antonio, TX, USA.



15. Rudland, D.L., Chen, Y. Zhang, T., Wilkowski, G., Broussard, J., and White, G., “Comparison of Welding Residual Stress Solutions for Control Rod Drive Mechanism Nozzles,” PVP2007-26045, Proceedings of ASME-PVP 2007:, 2007 ASME Pressure Vessels and Piping Division Conference, July 22-26, 2007, San Antonio, TX, USA.



16. Simonen, F., Gosselin, S., Lydell, B., Wilkowski, G., and Rudland, D.L., “Application Of Failure Event Data To Benchmark Probabilistic Fracture Mechanics Computer Codes” PVP2007-26373, Proceedings of ASME-PVP 2007:, 2007 ASME Pressure Vessels and Piping Division Conference, July 22-26, 2007, San Antonio, TX, USA.



17. Simonen, F., Gosselin, S., Xu, H., Wilkowski, G., and Rudland, D.L., “Calculations To Benchmark Probabilistic Fracture Mechanics Computer Codes” PVP2007-26374, Proceedings of ASME-PVP 2007:, 2007 ASME Pressure Vessels and Piping Division Conference, July 22-26, 2007, San Antonio, TX, USA.



18. Wilkowski, G., Xu, H., Shim, D.-J., and Rudland, D., “Determination of the Elastic-Plastic Fracture Mechanics Z-factor for Alloy 82/182 Weld Metal Flaws for Use in the ASME Section XI Appendix C Flaw Evaluation Procedures,” PVP2007-26733, Proceedings of ASME-PVP 2007:, 2007 ASME Pressure Vessels and Piping Division Conference, July 22-26, 2007, San Antonio, TX, USA.



19. D. Rudland, Y. Chen, Wilkowski, G., and Csontos, A., “Effect of Hardening Law Assumption on Weld Residual Stress Predictions,” 2007 PWSCC of Alloy 600 International Conference & Exhibit Show, Renaissance Waverly Hotel, Atlanta, GA, June 11-14, 2007.



20. D. Rudland, Shim, D.-J., Xu, H., Wilkowski, G., and Csontos, A., “Evaluation of Wolf Creek Pressurizer Flaw Indications,” 2007 PWSCC of Alloy 600 International Conference & Exhibit Show, Renaissance Waverly Hotel, Atlanta, GA, June 11-14, 2007.



21. G. Wilkowski, D. Rudland, Y. Chen, H. Xu, D.-J. Shim and A. A. Csontos "Are We Doing Crack Growth Calculations Correctly?" 20077 PWSCC of Alloy 600 International Conference & Exhibit Show, Renaissance Waverly Hotel, Atlanta, GA, June 11-14, 2007



22. Rudland, D.L., and Wilkowski, G., “Effects Of Backfill Soil Properties And Pipe Grade On Ductile Fracture Arrest,” Proceedings from 16^th Biennial Pipeline Joint Technical Meeting, PRCI, EPRG, APIA, Canberra, Australia, 16-19 April 2007.

1. D. Rudland, G. Wilkowski, and B. Rothwell, “The Effects of Soil Properties on the Fracture Speeds of Propagating Axial Cracks in Line Pipe Steels,” IPC2006-10086, Proceedings of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



2. Y. Wang, M. Liu, Y. Chen and D. Horsley, "Effects of Geometry, Temperature, and Test Procedure on Reported Failure Strains from Simulated Wide Plate Tests", IPC2006-10496, Proceedings of IPC 2006, 2006 Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



3. Y. Chen, Y. Wang and D. Horsley,"An Updated Cooling Rate and Microstructure Model for Pipeline In-Service Hot-Tap Welds,” IPC2006-10496, Proceedings of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



4. D. Rudland and Y. Wang, "Low-Constraint Testing of Pipeline Girth Welds,” IPC2006-10492, Proceedings of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



5. Y. Wang, M. Lui, D. Horsley and G. Bauman, "A Tiered Approach to Girth Weld Defect Acceptance Criteria for Stress-Based Design of Pipelines," IPC2006-10491, Proceedings of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Albeta, Canada.



6. Y. Wang, M. Lui, D. Horsley and J. Zhou, "A Quantitative Approach to Tensile Strain Capacity of Pipelines," IPC2006-10474, Proceeding of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



7. M.Lui, Y. Wang, "Applying Gurson Type of Damage Models to Low Constraint Tests of High Strength Steels and Welds," IPC2006-10416, Proceeding of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



8. G. Wilkowski, D. Rudland and B. Rothwell, "How to Optimize the Design of Mechanical Crack Arrestors," IPC2006-10357, Proceeding of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



9. G. Wilkowski, D. Rudland, H. Xu and N. Sanderson, "Effect of Grade on Ductile Fracture Arrest Criteria for Gas Pipelines," IPC2006-10350, Proceeding of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



10. D. Rudland, G. Wilkowski and B. Rothwell, "The Effects of Soil Properties on the Fracture Speeds of Propagating Axial Cracks in Line Pipe Steels," PC2006-10086, Proceedings of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



11. Wilkowski, G., Rider, D., Mincer, P., Rudland, D., and Sloterdijk, W., "When Old Line Pipes Initiates Fracture in a Ductile Manner," IPC2006-10326, Proceeding of IPC 2006, 2006 International Pipeline Conference, September 25-29, 2006, Calgary, Alberta, Canada.



12. Kawaguchi, S, Hagiwara, N., Rudland, D and Wilkowski, G., “Evaluation Of Leak/Rupture Limit For Axially Through-Wall Notched Line Pipes Using J-Integral Resistance Curve,” IPC2006-10505, Proceedings of IPC 2006, 2006 International Pipe line Conference, September 25-29, 2006, Calgary, Alberta, Canada.



13. G. Wilkowski, H. Xu, P. Krishnaswamy, N. Chokshi, S. Shaukat, A. Hiser, G. DeGrassi, J.J. Johnson and R. Olson, “Seismic Considerations for the Transition Break Size – An Overview of the Methodology,” PVP2006-ICPVT11-93994,Proceedings of ASME-PVP 2006: 2006 ASME Pressure Vessels and Piping Division COnference, July 23-27, 2006, Vancouver, BC, Canada.



14. Rudland, D., Xu, H., Wilkowski, G., Scott, P., Ghadiali, N. and Brust, F., "Development of a New Generation Computer Code (PRO-LOCA) for the Prediction of Break Probabilities for Commercial Nuclear Power Plants Loss-Of-Coolant Accidents," PVP2006-ICPVT11-93802, Proceedings of ASME-PVP 2006: 2006 ASME Pressure Vessels and Piping Division Conference, July 23-27, 2006, Vancouver, BC, Canada.



15. H. Xu, D. Rudland, G. Wilkowski and P. Scott, "Statistical Characteristics Analysis and Simulation of Circumferential IGSCC Cracks for a BWR Plant," VP2006-ICPVT11-93966, Proceedings of ASME-PVP 2006: 2006 ASME Pressure Vessels and Piping Division Conference, July 23-27, 2006, Vancouver, BC, Canada.



16. G. Wilkowski, D. Rudland and H. Xu, "Examination of Service Cracks in CRDM Nozzles and Relevance to Flaw Evaluation Procedures," PVP2006-ICPVT11-93995, Proceedings of ASME-PVP 2006: 2006 ASME Pressue Vessels and Piping Division Conference, July 23-27, 2006, Vancouver, BC, Canada.



17. M. Liu and Y. Wang, "Modeling of Anisotropy of TMCP and UOE Linepipes," 16th (2006) International Offshore and Polar Engineering Conference and the 4th High-Performance Materials (HPM) Symposium, San Fransisco, CA, USA, May 28-June 2, 2006.



18. Y. Wang and M. Liu, "Interaction of Characteristic Mechanical Properties and Mechanics in the Evaluation of Weld Integrity of High Strength Linepipes," Proceedings of HSLP-IAP 2006: International Seminar on Application of High Strength Line Pipe and Integrity Assessment of Pipeline 2006, June 15-16, 2006, Xian, China.