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Keywords: fatigue
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Proceedings Papers

Proc. ASME. PVP2023, Volume 2: Computer Technology & Bolted Joints; Design & Analysis, V002T03A034, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106033
... Abstract In this study, we attempted to model the fatigue life of Ni alloys by employing probabilistic approaches, i.e., survival regressions. The selected models included the Weibull AFT and RSF models. The input variables for the models were the strain amplitude, strain rate, temperature...
Proceedings Papers

Proc. ASME. PVP2023, Volume 4: High Pressure Technology, V004T05A010, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105931
... isolation tool. The structural integrity is evaluated for multiple loading scenarios per the ASME BPVC Section VIII Division 3 (2017), and the fatigue analysis is conducted based on well-load histograms during the life of the well in accordance with the ASME BPVC Section VIII Division 2 (2017) and API 579-1...
Proceedings Papers

Proc. ASME. PVP2023, Volume 4: High Pressure Technology, V004T05A001, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106712
.... This study will attempt to provide background in the discussion for the magnitude of impact that hydrogen has on the life of vessels operated at various pressure ratings when designed to each of the three (3) ASME Section VIII Divisions. hydrogen pressure vessels cycle life fatigue fracture...
Proceedings Papers

Proc. ASME. PVP2023, Volume 4: High Pressure Technology, V004T05A006, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106304
... it such that all parts of material specifications do not need to be followed. There was another change regarding interpolation between low alloy fatigue curves. Another significant change was clarification regarding which constitutive material model is to be used in various design by analysis situations...
Proceedings Papers

Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A066, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105622
... integrity of vintage pipeline (pre-1970s) in the presence of gaseous hydrogen is a critical step towards successful implementation of hydrogen blending into existing infrastructure. To this end, fatigue crack growth (FCG) behavior and fracture resistance of several vintage X52 pipeline steels were evaluated...
Proceedings Papers

Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A069, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105829
.... The utility of tabular full range da/dN curves in the aerospace community is summarized to compare and contrast potential utility in the pipeline industry. hydrogen growth crack fatigue Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia...
Proceedings Papers

Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A068, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105791
... Abstract Over a five-year period, a series of fatigue crack growth experiments have been conducted in air and in a bubbling CO 2 environment to induce diffusible hydrogen ingress. While the main objective of the hydrogen-charging research targeted characterization of near-neutral stress...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A024, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105812
... of Canadian Net Zero 2050. The project seeks a deeper understanding of the mechanisms that govern the long-term fatigue behavior of spiral welded pipelines towards informing maintenance scheduling and design. Multi-scale testing and modelling approaches involving materials, fluids, and their interactions...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A005, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107388
... Electric Company, Pittsburgh, PA 2Electric Power Research Institute, Charlotte, NC ABSTRACT The current requirements in ASME Section XI, 2021 Edition, Nonmandatory Appendix L provide guidance for evaluation of components when fatigue usage limits have been exceeded or fatigue usage is predicted...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A021, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-101728
... Abstract The rules for performing fatigue assessments of light water reactor pressure vessels and piping are found within Section III-NB and Appendix XIII of the ASME Boiler and Pressure Vessel Code (BPVC). These methods are primarily elastic, utilizing the Tresca-based stress intensity...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A013, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-102692
...Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023-102692 TECHNICAL REVISIONS OF JSME ENVIRONMENTAL FATIGUE EVALUATION METHOD Seiji Asada1, Takao Nakamura2, Masayuki Kamaya3, Yukio Takahashi4 1Mitsubishi Heavy Industries, Ltd., Kobe...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A015, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105889
... Abstract It has been shown that the degree of fatigue life reduction due to the pressurized water reactor environment depends on strain rate. It was reported that there was an insensitive strain zone, at which the strain rate had little influence on the fatigue life. The insensitive strain zone...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A022, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107430
.... The rules in Section III, Appendix XIII, and NB-3200 for pre-2018 versions of the Code, pertaining to the use of “Plastic Analysis” to satisfy the allowable limits for fatigue have been under development in the Section III Working Group on Fatigue Strength. Drawing from methods that are established within...
Topics: Fatigue
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A016, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106439
... Abstract Individual research projects often plan experimental test matrices using a restricted batch of materials to study fatigue phenomena and performance. Often the results of these studies are aggregated into databases of material behavior. However, many important scientific findings can...
Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A018, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107205
...Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023-107205 SHOULDER CONTROL FOR FATIGUE ENDURANCE TESTS CARRIED OUT UNDER VARIABLE AMPLITUDE LOADING CONDITIONS James Meldrum, Peter Gill, Jonathan Mann, Alec McLennan, Norman Platts...
Proceedings Papers

Proc. ASME. PVP2023, Volume 2: Computer Technology & Bolted Joints; Design & Analysis, V002T02A006, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106419
... microstructures using a new generator for representative volume elements called DRAGen (Discrete Rve Automation and Generation), and a strategy for the numerical investigation of the influence of the surface roughness and residual stresses on the fatigue life and endurance is proposed. The proposed framework...
Proceedings Papers

Proc. ASME. PVP2023, Volume 2: Computer Technology & Bolted Joints; Design & Analysis, V002T03A025, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105665
.... This can result in a shorter operating life for the agitator or its drive mechanism than originally expected, which could further lead to vibrational issues and subsequent fatigue failures in the top cover or the nozzle. A correctly designed top cover and nozzle support for an agitator should be strong...
Proceedings Papers

Proc. ASME. PVP2023, Volume 2: Computer Technology & Bolted Joints; Design & Analysis, V002T03A039, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-101256
...Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023-101256 VALIDATION OF FATIGUE CRACK GROWTH MODELING SOLUTIONS USING MEASUREMENTS COLLECTED ON API X65 PIPING SPECIMENS Adrian Loghin1 Simmetrix Inc. Clifton Park, NY USA James Harter...