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Proceedings Papers

Influence of Alcohol Additives on the Viscosity and Solubility of Ethanol/Diesel Fuel Blends: A Molecular Dynamics Simulation Study

Xueying Li, Lei Hou, Chong Chai, Sichen He
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T07A019, July 13–15, 2021
Paper No: PVP2021-61884
DOI: https://doi.org/10.1115/PVP2021-61884
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Topics: Carbon, Diesel, Diffusion (Physics), Ethanol, Molecular dynamics simulation, Viscosity
Proceedings Papers

A Unified Constitutive Model for Diffusion Bonded Alloy 800H To Perform Full Inelastic Analysis of Components in High Temperature Nuclear Service

Heramb P. Mahajan, Tasnim Hassan
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A026, July 13–15, 2021
Paper No: PVP2021-62952
DOI: https://doi.org/10.1115/PVP2021-62952
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Topics: Alloys, Constitutive equations, Creep, Diffusion (Physics), Fatigue, High temperature, Inelastic analysis
Proceedings Papers

Welded Attachments and Hydrostatic Pressure Testing Rules for Diffusion Bonded Heat Exchangers

Shaun R. Aakre, Ian W. Jentz
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A026, August 3, 2020
Paper No: PVP2020-21299
DOI: https://doi.org/10.1115/PVP2020-21299
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Topics: Diffusion (Physics), Heat exchangers, Hydrostatic pressure, Testing
Proceedings Papers

A Unified Constitutive Model With Optimized Parameters for Base and Diffusion Bonded Alloy 800H

Heramb P. Mahajan, Tasnim Hassan
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A028, August 3, 2020
Paper No: PVP2020-21498
DOI: https://doi.org/10.1115/PVP2020-21498
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Topics: Alloys, Constitutive equations, Creep, Diffusion (Physics), Fatigue
Proceedings Papers

Allowable Stress Development of Diffusion Bonded Alloy 800H for Section III

Heramb P. Mahajan, Ian Jentz, Tasnim Hassan
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A029, August 3, 2020
Paper No: PVP2020-21499
DOI: https://doi.org/10.1115/PVP2020-21499
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Topics: Alloys, Creep, Diffusion (Physics), Diffusion bonding (Metals), Stress, Design, Mechanical properties, ASME Boiler and Pressure Vessel Code, Base metals, Databases
Proceedings Papers

Assessment of Compact Heat Exchanger Design Following Elastic Perfectly Plastic Methodology

Avinash Shaw, Heramb P. Mahajan, Tasnim Hassan
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A030, August 3, 2020
Paper No: PVP2020-21500
DOI: https://doi.org/10.1115/PVP2020-21500
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Topics: Creep, Design, Fatigue, Heat exchangers, Stress, ASME Standards, Bonding, Construction, Damage, Diffusion (Physics)
Proceedings Papers

Mechanical and Microstructural Characterization of Diffusion Bonded 800H

Heramb P. Mahajan, Mohamed Elbakhshwan, Bruce C. Beihoff, Tasnim Hassan
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A031, August 3, 2020
Paper No: PVP2020-21502
DOI: https://doi.org/10.1115/PVP2020-21502
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Topics: Creep, Diffusion (Physics), Diffusion bonding (Metals), Temperature, Fatigue, Mechanical properties, Plates (structures), Base metals, Joining, Alloys
Proceedings Papers

Microstructural Evolution During a Solid State Tube Pinch Weld

Paul S. Korinko
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A002, August 3, 2020
Paper No: PVP2020-21308
DOI: https://doi.org/10.1115/PVP2020-21308
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Topics: Pinch effect, Stainless steel, Cycles, Welded joints, Deformation, Contamination, Diffusion (Physics), Forge welding, Metallography, Recrystallization
Proceedings Papers

Correlation Between Thermal Desorption Spectrum Features and Creep Damage

Yu Zhou, Zhichao Fan, Xuedong Chen, Huifeng Jiang, Hedieh Jazaeri, Peter John Bouchard
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A034, August 3, 2020
Paper No: PVP2020-21224
DOI: https://doi.org/10.1115/PVP2020-21224
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Topics: Creep, Damage, Thermal desorption, Temperature programmed desorption, Hydrogen, Steel, Binding energy, Density, Desorption, Diffusion (Physics)
Proceedings Papers

Non-Destructive Examination of Diffusion-Bonded Compact Heat Exchangers

Greg Selby, Shaun Aakre, Zhaoyan Fan
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A025, August 3, 2020
Paper No: PVP2020-21293
DOI: https://doi.org/10.1115/PVP2020-21293
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Topics: Diffusion (Physics), Heat exchangers, Nondestructive evaluation, Failure, Manufacturing, Welded joints, Design, Joining, Strain sensors, Bonding
Proceedings Papers

Managing the Risks Associated With Operating a Hydrotreater Reactor With Possible High-Temperature Hydrogen Attack Damage

Phillip E. Prueter, Ryan Jones, Jacki Hess, Joel DeLuca
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A043, July 14–19, 2019
Paper No: PVP2019-93533
DOI: https://doi.org/10.1115/PVP2019-93533
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Topics: Damage, Fracture (Materials), High temperature, Hydrogen, Methane, Nondestructive evaluation, Cavities, Failure, Pressure equipment, Brittle fracture
Proceedings Papers

Investigation of Hydrogen Diffusion Characteristics of the Heat Affected Zone of 2.25Cr-1Mo-0.25V Steel by an Electrochemical Permeation Method

Xin Song, Zelin Han, Bin Liu, Mu Qin, Yuancai Duo, Yan Song, Guangxu Cheng
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A076, July 14–19, 2019
Paper No: PVP2019-93568
DOI: https://doi.org/10.1115/PVP2019-93568
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Topics: Diffusion (Physics), Heat, Hydrogen, Steel, Density, Grain boundaries, Annealing, Computer software, Heat treating (Metalworking), Materials degradation
Proceedings Papers

Initial Developments for LBB Application to HTHA Sensitive Non-Stress Relieved Carbon Steel Girth Welds in Refinery Plants

G. Wilkowski, Y. Hioe, E. Kurth, E. Punch, M. Uddin, F. Brust, K. Bagnoli, G. Pioszak
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A001, July 15–20, 2018
Paper No: PVP2018-84669
DOI: https://doi.org/10.1115/PVP2018-84669
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Topics: Carbon steel, Stress, Welded joints, Hydrogen, Cracking (Materials), Fracture (Materials), Fracture (Process), Pipes, American Petroleum Institute, Methane
Proceedings Papers

Effect of Pre-Heat Treatment on Hydrogen Concentration Behavior of y-Grooved Weld Joint Based on a Coupled Analysis of Heat Transfer-Thermal Stress-Hydrogen Diffusion

Go Ozeki, A. Toshimitsu Yokobori, Jr., Toshihito Ohmi, Tadashi Kasuya, Nobuyuki Ishikawa, Satoshi Minamoto, Manabu Enoki
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A037, July 15–20, 2018
Paper No: PVP2018-84178
DOI: https://doi.org/10.1115/PVP2018-84178
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Topics: Diffusion (Physics), Heat, Hydrogen, Stress, Thermal stresses, Cooling, Heat transfer, Temperature, Cracking (Materials), Finite element methods
Proceedings Papers

Hydrogen Diffusion Concentration Behaviors for Square Groove Weld Joint

Toshihito Ohmi, A. Toshimitsu Yokobori, Jr., Go Ozeki, Tadashi Kasuya, Nobuyuki Ishikawa, Satoshi Minamoto, Manabu Enoki
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A038, July 15–20, 2018
Paper No: PVP2018-84192
DOI: https://doi.org/10.1115/PVP2018-84192
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Topics: Diffusion (Physics), Hydrogen, Thermal stresses, Cooling, Cracking (Materials), Fracture (Process), Heat transfer, Heat, Hydrogen embrittlement, Metals
Proceedings Papers

Investigation of Fluid Diffusion Properties From Various Flaw Geometries of Piping

Shun Watanabe, Ryo Morita, Yuta Uchiyama
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A021, July 15–20, 2018
Paper No: PVP2018-84212
DOI: https://doi.org/10.1115/PVP2018-84212
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Topics: Diffusion (Physics), Fluids, Pipes, Flow (Dynamics), Leakage, Maintenance, Regulations, Safety, Failure, Fracture (Materials)
Proceedings Papers

Fluid-Structure Interaction Approach for Numerical Investigation of a Flexible Hydrofoil Deformations in Turbulent Fluid Flow

M. Benaouicha, S. Guillou, A. Santa Cruz, H. Trigui
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A011, July 15–20, 2018
Paper No: PVP2018-84637
DOI: https://doi.org/10.1115/PVP2018-84637
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Topics: Deformation, Fluid dynamics, Fluid structure interaction, Hydrofoil, Turbulence, Computer simulation, Fluids, Hydrodynamics, Algorithms, Anisotropy
Proceedings Papers

Analysis of Creep Crack Growth Behavior of the Brazed Joint Using Continuum Damage Mechanics Approach

Yu-Cai Zhang, Wenchun Jiang, Shan-Tung Tu, Xian-Cheng Zhang, Guo-Yan Zhou
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A062, July 15–20, 2018
Paper No: PVP2018-85126
DOI: https://doi.org/10.1115/PVP2018-85126
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Topics: Creep, Damage mechanics, Fracture (Materials), Diffusion (Physics), Finite element methods, Stress, Brazing, Damage, Filler metals, Mechanical properties
Proceedings Papers

Multiscale Stress-Diffusion Analysis of Notch-Tip Hydrogen Profiles in Zircaloy-4

Said El Chamaa, Mitesh Patel, Mark R. Wenman, Catrin M. Davies
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A013, July 15–20, 2018
Paper No: PVP2018-84555
DOI: https://doi.org/10.1115/PVP2018-84555
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Topics: Diffusion (Physics), Hydrogen, Stress, Anisotropy, Stress analysis (Engineering), Crystals, Dipoles (Electromagnetism), Finite element analysis, Modeling, Nuclear industry
Proceedings Papers

Hardness and Microstructural Evolution of a JRQ A533 Cl.1 Steel Submitted to Thermal Annealing

A. Liliana Medina-Almazán, Lizandra S. Ovando-Ramírez, Rogelio Hernández-Callejas, Gonzalo Galicia-Aguilar
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A023, July 15–20, 2018
Paper No: PVP2018-84916
DOI: https://doi.org/10.1115/PVP2018-84916
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Topics: Annealing, Steel, Density, Ferrites (Magnetic materials), Temperature, Vickers hardness testing, Alloys, Copper, Diffusion (Physics), Dislocations