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Keywords: fatigue life
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Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A017, July 13–15, 2021
Paper No: PVP2021-60773
... evaluation under elevated temperature NOMECLATURE condition. : Number of cycles to failure Keywords: Elevated temperature design, Gr.91, Fatigue life 2 : with design factor of 2 on strain range INTRODUCTION 20 : with design factor of 20 on the cycles Grade 91 steel (hereafter Gr.91) has been used...
Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A034, July 13–15, 2021
Paper No: PVP2021-61530
... the service process of the gas cylinder leads to the expansion of initial cracks inside the cylinder and the final fatigue fracture. At present, the fatigue life calculation of pressure vessels mainly adopts the S-N curve method, however, some steels do not have the S-N curve under the hydrogen environment...
Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A041, July 13–15, 2021
Paper No: PVP2021-60601
... and polynomial-approximated approach from GB/T 34019 Ultra-high pressure vessels. Then, a comparative study has been made from the results of above methods to find out the difference between them. At last, the fatigue life of a 4130X steel hydrogen storage vessel has been predicted based on linear elastic...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A032, August 3, 2020
Paper No: PVP2020-21822
...Abstract Abstract Influence of the mean stress on fatigue life and fatigue limit was investigated for carbon steel. Uni-axial fatigue tests were conducted under stress and strain-controlled conditions at room temperature. The fatigue life and fatigue limit were reduced by applying the mean...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A111, August 3, 2020
Paper No: PVP2020-21846
... for a crack in a cylindrical specimen typically used for fatigue life testing and generating design fatigue curves. The specimen is uniaxially displacement-loaded into the plastic regime, and the reaction force is evaluated as a function of crack depth and shape. Cyclic loading leads to formation of a crack...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A045, August 3, 2020
Paper No: PVP2020-21536
..., aerospace, and nuclear industry. Likewise, fatigue life estimation for such components is fundamental to verify the design robustness assuring structural integrity throughout service. The linear damage accumulation model (Palmgren-Miner rule) is still largely used for damage assessment on fatigue...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A026, July 14–19, 2019
Paper No: PVP2019-93955
...TIME-SERIES FATIGUE DAMAGE STATES FORECASTING AND PROBABILISTIC ENVIRONMENTAL FATIGUE LIFE PREDICTION USING MARKOV-CHAIN-MONTE-CARLO TECHNIQUES Jae Phil Park Pusan National University Busan, Republic of Korea Email: jppark@pusan.ac.kr Subhasish Mohanty1 Argonne National Laboratory Lemont, IL, USA...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A047, July 14–19, 2019
Paper No: PVP2019-93253
...MEAN STRESS CORRECTION FOR FATIGUE LIFE OF CARBON STEEL: PROPOSAL OF NON-CLOSURE MODEL Masayuki Kamaya1 Institute of Nuclear Safety System, Inc. 64 Sata, Mihama-cho, Fukui 919-1205, JAPAN ABSTRACT Influence of the mean stress on fatigue life was investigated for carbon steel. Uni-axial fatigue...
Proceedings Papers

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 1019-1025, July 17–21, 2011
Paper No: PVP2011-57347
... stretched pressure vessel. Keyword: cold stretched austenitic stainless steel, low cycle fatigue properties, fatigue life, S-N curve INTRODUCTION Cold stretched pressure vessels from austenitic stainless steel (ASS) have been widely used for storage and transportation of liquefied gases due...
Proceedings Papers

Proc. ASME. PVP2008, Volume 5: High Pressure Technology; Nondestructive Evaluation Division; Student Paper Competition, 137-146, July 27–31, 2008
Paper No: PVP2008-61700
... are determined using the ordinary engineering design method, Design by Analysis (DBA) shows that the requirement on fatigue life of this unique UHPV could hardly be satisfied. To solve the above problem, an integrated FE modeling method has been proposed in this paper. To investigate the fatigue life of TLQA...
Proceedings Papers

Proc. ASME. PVP2003, High Pressure Technology: Shaping High Pressure Technology for the Future, 91-98, July 20–24, 2003
Paper No: PVP2003-1843
... 15 08 2008 Computer Aided Design and Finite Element Analysis packages that have been developed are capable of providing a relatively accurate fatigue life prediction. These software packages have made nonlinear analysis more reliable in forecasting a component’s fatigue life. A safe...
Proceedings Papers

Proc. ASME. PVP2005, Volume 1: Codes and Standards, 165-169, July 17–21, 2005
Paper No: PVP2005-71493
... and secondary hardening was observed at lower strain amplitude. On the other hand, the cyclic stress response in room temperature air exhibited gradual softening and did not show any hardening. The fatigue life of the studied steel in 310 °C low oxygen water was shorter than that of the statistical model in air...
Proceedings Papers

Proc. ASME. PVP2005, Volume 1: Codes and Standards, 73-86, July 17–21, 2005
Paper No: PVP2005-71063
.... Stainless Steel Fatigue life Air Water Proceedings of 2005 ASME PVP Conference: Environmental Fatigue Initiation and Crack Growth limit. Better agreement was found for the models produced by AN Th KE Sta INT fat tem ear cur stu tem obt fro Proceedings of PVP2005 Copyright © XXXX by ASME 1 L, Jaske...
Proceedings Papers

Proc. ASME. PVP2005, Volume 1: Codes and Standards, 87-97, July 17–21, 2005
Paper No: PVP2005-71064
... in keeping with the predictions of these models. This difference was ascribed to the effect of the PWR water, in the absence of significant initial straining and secondary hardening. Stainless Steel Fatigue life Mean Stress Air Water Proceedings of 2005 ASME PVP Conference: Environmental...