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Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T01A003, April 3–5, 2018

Paper No: ETAM2018-6720

DOI: https://doi.org/10.1115/ETAM2018-6720

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Topics: Creep, Steel, Welded joints, Heat, Base metals, Fittings

Proceedings Papers

Microstructures of Grade 91 Steels Under Long-Term Creep Conditions

Kenji Kako, Susumu Yamada, Masatsugu Yaguchi, Yusuke Minami

Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T01A002, April 3–5, 2018

Paper No: ETAM2018-6712

DOI: https://doi.org/10.1115/ETAM2018-6712

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Topics: Creep, Steel, Pipes, Damage, Electricity (Physics), Martensitic steel

Proceedings Papers

Evaluation of Stress-Increase Caused by Geometric Imperfections in Longitudinally-Welded Hot Reheat Steam Piping of Mod. 9Cr-1Mo Steel

Haruhisa Shigeyama, Yukio Takahashi, Masatsugu Yaguchi

Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A070, July 16–20, 2017

Paper No: PVP2017-65900

DOI: https://doi.org/10.1115/PVP2017-65900

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Topics: Pipes, Steam, Steel, Stress, Creep, Damage, Finite element analysis, Heat

Proceedings Papers

Re-Evaluation of Long-Term Creep Strength of Welded Joint of ASME Grade 91 Type Steel

Masatsugu Yaguchi, Kaoru Nakamura, Sosuke Nakahashi

Proc. ASME. PVP2016, Volume 6B: Materials and Fabrication, V06BT06A013, July 17–21, 2016

Paper No: PVP2016-63316

DOI: https://doi.org/10.1115/PVP2016-63316

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Topics: Creep, Steel, Welded joints, Rupture, Base metals, Milling, Temperature

Proceedings Papers

Re-Evaluation of Long-Term Creep Strength of Base Metal of ASME Grade 91 Type Steel

Kazuhiro Kimura, Masatsugu Yaguchi

Proc. ASME. PVP2016, Volume 6B: Materials and Fabrication, V06BT06A014, July 17–21, 2016

Paper No: PVP2016-63355

DOI: https://doi.org/10.1115/PVP2016-63355

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Topics: Base metals, Creep, Steel, Rupture, Power stations, Stress, Tension, Yield strength

Proceedings Papers

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 91 Steel: Creep Damage Mechanism and Applicability of NDE

Satoshi Nishinoiri, Yukio Takahashi, Hiroyuki Fukutomi, Masatsugu Yaguchi

Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A053, July 17–21, 2016

Paper No: PVP2016-63176

DOI: https://doi.org/10.1115/PVP2016-63176

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Topics: Creep, Damage, Nondestructive evaluation, Pipes, Pressure, Steel, Welded joints, Failure, Inspection, Leakage

Proceedings Papers

Development of Analytical Evaluation Methods for Creep Failure in Weldments of High Chromium Steels and Application to Full Scale Pipe Experiments

Yukio Takahashi, Satoshi Nishinoiri, Masatsugu Yaguchi

Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A064, July 17–21, 2016

Paper No: PVP2016-63834

DOI: https://doi.org/10.1115/PVP2016-63834

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Topics: Creep, Evaluation methods, Failure, Pipes, Steel, Cracking (Materials), Fracture (Process), Damage, Density, Finite element analysis

Proceedings Papers

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 122 Steel: Experimental Procedure and Results

Satoshi Nishinoiri, Lin Shan, Yukio Takahashi, Masatsugu Yaguchi

Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A049, July 19–23, 2015

Paper No: PVP2015-45423

DOI: https://doi.org/10.1115/PVP2015-45423

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Topics: Creep, Pipes, Pressure, Steel, Damage, Inspection, Deformation, Fracture (Materials), Heat, Nondestructive evaluation

Proceedings Papers

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 122 Steel: Failure Life Prediction

Yukio Takahashi, Satoshi Nishinoiri, Masatsugu Yaguchi

Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A048, July 19–23, 2015

Paper No: PVP2015-45384

DOI: https://doi.org/10.1115/PVP2015-45384

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Topics: Creep, Failure, Pipes, Pressure, Steel, Welded joints, Damage, Finite element analysis, Fossil fuels, Fracture (Materials)

Proceedings Papers

Evaluation of Long-Term Creep Strength of Welded Joints of ASME Grades 91, 92 and 122 Type Steels

Masatsugu Yaguchi, Takuaki Matsumura, Katsuaki Hoshino

Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 317-326, July 15–19, 2012

Paper No: PVP2012-78393

DOI: https://doi.org/10.1115/PVP2012-78393

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Topics: Creep, Steel, Welded joints, Rupture, Temperature, Base metals, Welding

Proceedings Papers

Creep Damage Assessment Procedure for Weldment Parts of P91 Boiler Piping in USC Plants: Part II—Validation of a Creep Damage Assessment Method Based on Void Growth Simulation

Takashi Ogata, Takayuki Sakai, Masatsugu Yaguchi, Katsuaki Hoshino

Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 513-519, July 17–21, 2011

Paper No: PVP2011-57333

DOI: https://doi.org/10.1115/PVP2011-57333

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Topics: Boilers, Creep, Damage assessment, Pipes, Pressure, Simulation, Steel

Journal Articles

Damage Evolution and Life Prediction of a P91 Longitudinal Welded Tube Under Internal Pressure Creep

Takashi Ogata, Takayuki Sakai, Masatsugu Yaguchi

J. Pressure Vessel Technol. October 2010, 132(5): 051204.

DOI: https://doi.org/10.1115/1.4001688

Published Online: August 23, 2010

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Topics: Creep, Damage, Pressure, Rupture, Simulation, Stress, Pipes, Steel, Finite element analysis

Proceedings Papers

A Unified Anisotropic Constitutive Model for a Ni Base Directionally Solidified Superalloy

Masatsugu Yaguchi, Masato Yamamoto, Takashi Ogata

Proc. ASME. PVP2007, Volume 9: Eighth International Conference on Creep and Fatigue at Elevated Temperatures, 135-141, July 22–26, 2007

Paper No: CREEP2007-26527

DOI: https://doi.org/10.1115/CREEP2007-26527

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Topics: Anisotropy, Constitutive equations, Superalloys, Creep, Deformation, Plasticity, Crystals, Stress, Elastic constants, Elasticity

Proceedings Papers

Damage Evolution and Life Prediction of a P91 Longitudinal Welded Tube Under Internal Pressure Creep

Takashi Ogata, Takayuki Sakai, Masatsugu Yaguchi

Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 1231-1240, July 27–31, 2008

Paper No: PVP2008-61519

DOI: https://doi.org/10.1115/PVP2008-61519

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Topics: Creep, Damage, Pressure, Simulation, Steel

Journal citation

NARROW

Development of Life Estimation Method for Nozzle Welds in Large Scale Piping of Modified 9Cr-1Mo Steel -Part II: Analytical Study

Development of Life Estimation Method for Nozzle Welds in Large Scale Piping of Modified 9Cr-1Mo Steel -Part I: Experimental Study

Evaluation of Stress Rupture Factors for Grade 91 Weldments

Re-Evaluation of Stress Rupture Factors for Grade 91 Weldments Based on the Extended Database With the Data Collected in Japan

Effective Portion of Sample Taken From USC Boiler Pipes to Consider Heat-to-Heat Variation of Creep

Assessment of Heat-to-Heat Variation of Gr.91 Boiler Pipings by Small Punch Creep Test

Estimation of Creep Strength of Grade 91 Steel Welded Joint in Time Region Over 100,000 Hours

Microstructures of Grade 91 Steels Under Long-Term Creep Conditions

Evaluation of Stress-Increase Caused by Geometric Imperfections in Longitudinally-Welded Hot Reheat Steam Piping of Mod. 9Cr-1Mo Steel

Re-Evaluation of Long-Term Creep Strength of Welded Joint of ASME Grade 91 Type Steel

Re-Evaluation of Long-Term Creep Strength of Base Metal of ASME Grade 91 Type Steel

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 91 Steel: Creep Damage Mechanism and Applicability of NDE

Development of Analytical Evaluation Methods for Creep Failure in Weldments of High Chromium Steels and Application to Full Scale Pipe Experiments

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 122 Steel: Experimental Procedure and Results

Inner Pressure/Bending Creep Test on Circumferentially Welded Large Diameter Pipe of Grade 122 Steel: Failure Life Prediction

Evaluation of Long-Term Creep Strength of Welded Joints of ASME Grades 91, 92 and 122 Type Steels

Creep Damage Assessment Procedure for Weldment Parts of P91 Boiler Piping in USC Plants: Part II—Validation of a Creep Damage Assessment Method Based on Void Growth Simulation

Damage Evolution and Life Prediction of a P91 Longitudinal Welded Tube Under Internal Pressure Creep

A Unified Anisotropic Constitutive Model for a Ni Base Directionally Solidified Superalloy

Damage Evolution and Life Prediction of a P91 Longitudinal Welded Tube Under Internal Pressure Creep

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