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Proceedings Papers

Prediction of Collapse Load Reduction due to Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A055, August 3, 2020

Paper No: PVP2020-21806

DOI: https://doi.org/10.1115/PVP2020-21806

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Topics: Collapse, Stress, Fracture (Materials), Fracture (Process), Finite element analysis, Fitness-for-service, Ductile fracture, Flat plates, ASME Boiler and Pressure Vessel Code, Boilers

Proceedings Papers

Limit Load Solution of Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A008, July 15–20, 2018

Paper No: PVP2018-84809

DOI: https://doi.org/10.1115/PVP2018-84809

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Topics: Stress, Collapse, Finite element analysis, Fracture (Materials), Fracture (Process), Power stations, Boilers, Evaluation methods, Experimental methods, Fitness-for-service

Proceedings Papers

Fracture Tests of Flat Plate and Pipe With Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A008, July 16–20, 2017

Paper No: PVP2017-66169

DOI: https://doi.org/10.1115/PVP2017-66169

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Topics: Flat plates, Fracture (Materials), Fracture (Process), Pipes, Ductile fracture, Stress, Evaluation methods, Boilers, Collapse, Displacement

Journal Articles

Study on Flaw-to-Surface Proximity Rule for Transforming Subsurface Flaws to Surface Flaws Based on Fatigue Crack Growth Experiments

Kunio Hasegawa, Yinsheng Li, Koichi Saito

J. Pressure Vessel Technol. August 2015, 137(4): 041101.

Paper No: PVT-14-1092

DOI: https://doi.org/10.1115/1.4028423

Published Online: August 1, 2015

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Topics: Fatigue cracks, Cycles

Proceedings Papers

Simplified Limit Load Analysis for Multiple Circumferential Flaws in a Pipe

Fuminori Iwamatsu, Koichi Saito

Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A059, July 20–24, 2014

Paper No: PVP2014-28568

DOI: https://doi.org/10.1115/PVP2014-28568

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Topics: Pipes, Stress, Bending (Stress), Collapse, ASME Boiler and Pressure Vessel Code, Fitness-for-service, Stress corrosion cracking

Proceedings Papers

Creep Property Evaluation for Stress Mitigation Simulation in Post Weld Heat Treatment

Nobuyoshi Yanagida, Koichi Saito

Proc. ASME. PVP2013, Volume 6B: Materials and Fabrication, V06BT06A077, July 14–18, 2013

Paper No: PVP2013-97554

DOI: https://doi.org/10.1115/PVP2013-97554

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Topics: Creep, Heat treating (Metalworking), Simulation, Stress, Relaxation (Physics), Alloy steel, Alloys, Base metals, Metals, Nickel

Proceedings Papers

Evaluation Procedure of Limit Load for Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Hidekazu Takazawa, Koichi Saito

Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A062, July 14–18, 2013

Paper No: PVP2013-97466

DOI: https://doi.org/10.1115/PVP2013-97466

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Topics: Stress, Collapse, Fracture (Materials), Fracture (Process), ASME Boiler and Pressure Vessel Code, Ductile fracture, Fitness-for-service, Flat plates

Proceedings Papers

Fatigue Crack Growth for Subsurface Flaws Near Component Surface and Proximity Rules

Kunio Hasegawa, Yinsheng Li, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A063, July 14–18, 2013

Paper No: PVP2013-97559

DOI: https://doi.org/10.1115/PVP2013-97559

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Topics: Fatigue cracks, Fitness-for-service, ASME Standards, Carbon steel, Flat plates, Japan Society of Mechanical Engineers, Temperature

Proceedings Papers

Comparison of Experiment and Calculation on Fatigue Crack Growth for Transformed Surface Flaw

Kunio Hasegawa, Yinsheng Li, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2012, Volume 1: Codes and Standards, 369-372, July 15–19, 2012

Paper No: PVP2012-78688

DOI: https://doi.org/10.1115/PVP2012-78688

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Topics: Fatigue cracks, Fitness-for-service, ASME Standards, Carbon steel, Flat plates, Japan Society of Mechanical Engineers, Temperature

Proceedings Papers

Residual Stress Analysis of Bead Welded Low Alloy Steel Plate Specimens Subjected to Post Weld Heat Treatment

Nobuyoshi Yanagida, Koichi Saito

Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 1421-1428, July 17–21, 2011

Paper No: PVP2011-57054

DOI: https://doi.org/10.1115/PVP2011-57054

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Topics: Alloy steel, Heat treating (Metalworking), Stress analysis (Engineering), Stress, Welding, Creep, Phase transitions, ASTM International, Finite element analysis, Heat

Proceedings Papers

Effect of Flaw Dimensions on Ductile Fracture Behavior of Non-Aligned Multiple Flaws in a Plate

Katsumasa Miyazaki, Kunio Hasegawa, Koichi Saito

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 459-465, July 17–21, 2011

Paper No: PVP2011-57559

DOI: https://doi.org/10.1115/PVP2011-57559

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Topics: Dimensions, Ductile fracture, Fracture (Materials), Fracture (Process), Fitness-for-service, Flat plates, Stress

Proceedings Papers

Plastic Collapse Loads for Flat Plates With Dissimilar Non-Aligned Through-Wall Cracks

Kunio Hasegawa, Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 475-479, July 17–21, 2011

Paper No: PVP2011-57841

DOI: https://doi.org/10.1115/PVP2011-57841

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Topics: Collapse, Flat plates, Fracture (Materials), Stress, Dimensions, Fitness-for-service, Stainless steel, Temperature

Proceedings Papers

Fracture Assessment of Pipes Having Multiple Flaws Based on Ramberg–Osgood-Type Stress–Strain Relationships

Hideo Machida, Tetsuya Hamanaka, Yoshiaki Takahashi, Katsumasa Miyazaki, Fuminori Iwamatsu, Koichi Saito, Masao Itatani, Chihiro Narazaki, Kiminobu Hojo

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 487-493, July 17–21, 2011

Paper No: PVP2011-57859

DOI: https://doi.org/10.1115/PVP2011-57859

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Topics: Fracture (Materials), Pipes, Stress-strain relations, Fracture toughness, Stress, Stress concentration, Fitness-for-service, Flow (Dynamics), Stress-strain curves, Ductility

Proceedings Papers

Experimental Study on the Flaw Characterization of Multiple Flaws for Ductile Fracture

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito, Tetsuya Hamanaka, Yoshiaki Takahashi

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 495-501, July 17–21, 2011

Paper No: PVP2011-57875

DOI: https://doi.org/10.1115/PVP2011-57875

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Topics: Ductile fracture, Flat plates, Fitness-for-service, Fracture (Materials), Fracture (Process), Machinery, Collapse, Electric discharge, Stainless steel, Stress

Proceedings Papers

Estimation of Maximum Load for Pipes With Multiple Circumferential Flaws by Limit Load Analysis

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito, Tetsuya Hamanaka, Yoshiaki Takahashi

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 503-510, July 17–21, 2011

Paper No: PVP2011-57876

DOI: https://doi.org/10.1115/PVP2011-57876

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Topics: Pipes, Stress, Flow (Dynamics), Japan Society of Mechanical Engineers, ASME Standards, Failure, Stainless steel, Stress corrosion cracking

Proceedings Papers

Behavior of Plastic Collapse Moments for Pipes With Two Non-Aligned Flaws

Kunio Hasegawa, Katumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 355-361, July 18–22, 2010

Paper No: PVP2010-25199

DOI: https://doi.org/10.1115/PVP2010-25199

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Topics: Collapse, Pipes, Stress, Exterior walls, Failure, Fitness-for-service, Shapes, Stainless steel, Temperature

Proceedings Papers

Ductile Fracture Strength of Ni-Based Alloy With an Inch Thickness

Katsumasa Miyazaki, Koichi Saito

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 953-958, July 18–22, 2010

Paper No: PVP2010-26120

DOI: https://doi.org/10.1115/PVP2010-26120

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Topics: Alloys, Ductile fracture, Stress, Fracture (Materials), Fracture (Process), Flat plates, Base metals, Failure, Finite element analysis, Metals

Proceedings Papers

Finite Element Analyses of Residual Stresses in Typical Welded Joints Used in Nuclear Power Plants and Comparisons With Experiments

Dean Deng, Kazuo Ogawa, Nobuyoshi Yanagida, Koichi Saito

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 885-896, July 18–22, 2010

Paper No: PVP2010-25321

DOI: https://doi.org/10.1115/PVP2010-25321

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Topics: Computer simulation, Finite element analysis, Nuclear power stations, Residual stresses, Stress, Stress corrosion cracking, Welded joints, Welding, Metals, Boiling water reactors

Proceedings Papers

Study on Residual-Stress Redistributions During the Process of Manufacture of a Vessel Penetration Set-On Joint

Nobuyoshi Yanagida, Kazuo Ogawa, Koichi Saito, Ed Kingston

Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 435-447, July 26–30, 2009

Paper No: PVP2009-77408

DOI: https://doi.org/10.1115/PVP2009-77408

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Topics: Stress, Vessels, Alloys, Steel, Boiling water reactors, Cladding systems (Building), Finite element analysis, Creep, Drilling, Heat treating (Metalworking)

Proceedings Papers

Experimental Study of Ductile Fracture for Non-Aligned Multiple Flaws in a Plate

Katsumasa Miyazaki, Kunio Hasegawa, Koichi Saito, Bostjan Bezensek

Proc. ASME. PVP2009, Volume 1: Codes and Standards, 187-198, July 26–30, 2009

Paper No: PVP2009-77103

DOI: https://doi.org/10.1115/PVP2009-77103

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Topics: Ductile fracture, Fracture (Materials), Fracture (Process), Stress, American Petroleum Institute, Collapse, Fitness-for-service, Flat plates, Separation (Technology), Temperature

Journal citation

NARROW

Prediction of Collapse Load Reduction due to Non-Aligned Multiple Flaws

Limit Load Solution of Non-Aligned Multiple Flaws

Fracture Tests of Flat Plate and Pipe With Non-Aligned Multiple Flaws

Study on Flaw-to-Surface Proximity Rule for Transforming Subsurface Flaws to Surface Flaws Based on Fatigue Crack Growth Experiments

Simplified Limit Load Analysis for Multiple Circumferential Flaws in a Pipe

Creep Property Evaluation for Stress Mitigation Simulation in Post Weld Heat Treatment

Evaluation Procedure of Limit Load for Non-Aligned Multiple Flaws

Fatigue Crack Growth for Subsurface Flaws Near Component Surface and Proximity Rules

Comparison of Experiment and Calculation on Fatigue Crack Growth for Transformed Surface Flaw

Residual Stress Analysis of Bead Welded Low Alloy Steel Plate Specimens Subjected to Post Weld Heat Treatment

Effect of Flaw Dimensions on Ductile Fracture Behavior of Non-Aligned Multiple Flaws in a Plate

Plastic Collapse Loads for Flat Plates With Dissimilar Non-Aligned Through-Wall Cracks

Fracture Assessment of Pipes Having Multiple Flaws Based on Ramberg–Osgood-Type Stress–Strain Relationships

Experimental Study on the Flaw Characterization of Multiple Flaws for Ductile Fracture

Estimation of Maximum Load for Pipes With Multiple Circumferential Flaws by Limit Load Analysis

Behavior of Plastic Collapse Moments for Pipes With Two Non-Aligned Flaws

Ductile Fracture Strength of Ni-Based Alloy With an Inch Thickness

Finite Element Analyses of Residual Stresses in Typical Welded Joints Used in Nuclear Power Plants and Comparisons With Experiments

Study on Residual-Stress Redistributions During the Process of Manufacture of a Vessel Penetration Set-On Joint

Experimental Study of Ductile Fracture for Non-Aligned Multiple Flaws in a Plate

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