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Keywords: creep-fatigue
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Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A058, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106512
...Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023-106512 A METHOD FOR EVALUATION OF CREEP-FATIGUE LIFE AT LOW STRAIN RANGES Peijun Hou1, Yanli Wang2, Ting-Leung Sham3 1Imtech Corporation, Knoxville, Tennessee, USA 2Oak Ridge...
Proceedings Papers

Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A035, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84895
... design type 316L austenitic stainless steel creep creep-fatigue Proceedings of the ASME 2022 Pressure Vessels & Piping Conference PVP2022 July 17-22, 2022, Las Vegas, Nevada, USA PVP2022-84895 HIGH-TEMPERATURE DESIGN OF 700°C HEAT EXCHANGER IN A LARGE SCALE HIGHTEMPERATURE THERMAL ENERGY STORAGE...
Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A036, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61658
... Abstract Current creep-fatigue evaluation approaches based on the creep-fatigue Damage-diagram are complex and very conservative. Simplified Model Test (SMT) method is an alternative approach to determine cyclic life at elevated temperatures. The SMT-based creep-fatigue evaluation methodology...
Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A026, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62952
... Abstract Implementing the generation IV nuclear reactor concept to nuclear service needed elevated temperature component analysis and design methodologies. These components experience elevated temperature loads such as creep, fatigue, creep-fatigue, and ratcheting. Traditional elastic...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A037, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21356
... Abstract In this study, to determine appropriate cyclic hardening model for simulating creep-fatigue crack growth, sensitivity of hardening model on global/local deformation behavior during creep-fatigue crack growth is studied using finite element (FE) debonding analysis method. Three...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A028, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21498
... Abstract Current ASME Section III, Division 5 code provides elastic, simplified inelastic and inelastic analysis options for designing nuclear power plant components for elevated temperature service. These analyses methods may fail to capture the complex creep-fatigue response and damage...
Proceedings Papers

Proc. ASME. PVP2020, Volume 8: Operations, Applications, and Components, V008T08A021, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21087
.... The effects of ratcheting and creep-fatigue damage under elevated temperature are investigated using elastic analysis and inelastic analysis methods for a defined representative load cycle. In addition, the strain range and the stress relaxation history calculated by elastic and inelastic methods are compared...
Proceedings Papers

Proc. ASME. PVP2019, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 27th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD), V005T09A007, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93416
...FINITE ELEMENT ANALYSIS OF PRINTED CIRCUIT HEAT EXCHANGER CORE FOR CREEP AND CREEP-FATIGUE RESPONSES Heramb P. Mahajan North Carolina State University Raleigh, NC, USA 27606 Email: hpmahaja@ncsu.edu Tasnim Hassan North Carolina State University Raleigh, NC, USA 27606 Email: thassan@ncsu.edu...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A065, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93648
... Abstract The Simplified Model Test (SMT) approach is an alternative creep-fatigue evaluation method that no longer requires the use of the damage interaction diagram, or D-diagram. The reason is that the combined effects of creep and fatigue are accounted for in the test data by means of a SMT...
Topics: Creep, Fatigue
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A066, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93650
... and displacement-controlled creep-fatigue loading on the SMT cycle life is demonstrated at different strain ranges. The effect of primary load on the SMT design method is discussed. Simplified Model Test creep-fatigue internal pressurization elastic follow-up EFFECT OF INTERNAL PRESSURIZATION...
Proceedings Papers

Proc. ASME. PVP2007, Volume 9: Eighth International Conference on Creep and Fatigue at Elevated Temperatures, 493-501, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: CREEP2007-26304
... 21 08 2009 High temperature components in thermal power plants are subjected to creep and creep-fatigue loading where creep voids initiate and grow on grain boundaries. Development of a quantitative evaluation method of the void growth is important for reliable maintenance...
Proceedings Papers

Proc. ASME. PVP2007, Volume 1: Codes and Standards, 403-412, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26569
... The R5 procedures have been developed within the UK power generation industry to assess the integrity of nuclear and conventional plant operating at high temperatures. Within R5, there are specific procedures for assessing creep-fatigue crack initiation in initially defect-free components...
Proceedings Papers

Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 397-402, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71040
... High temperature components in thermal power plants are subjected to creep-fatigue loading where creep cavities initiate and grow on grain boundaries. Development of a quantitative evaluation method of cavity growth is important for reliable maintenance of these components. In this study...