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Keywords: crack growth
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Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A111, August 3, 2020
Paper No: PVP2020-21846
... fatigue curves which is done by analyzing the fatigue process up to the actual component failure using crack growth analyses. Prediction of fatigue failure in cylindrical specimen is investigated through numerical simulations of fracture mechanics. A finite element analysis model is implemented...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A042, July 14–19, 2019
Paper No: PVP2019-93064
...EU DuC CRACK GROWTH DUE TO FLOW MIXING M.H.C. Hannink, F.J. Blom NRG Petten, The Netherlands hannink@nrg.eu ABSTRACT Turbulent mixing of hot and cold flows can lead to thermal fatigue of piping systems. Especially in primary pipework of nuclear power plants this is an important, safety related...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A067, July 14–19, 2019
Paper No: PVP2019-93098
...PROPOSAL OF DUCTILE DAMAGE MODEL BASED ON UNIT CELL ANALYSIS FOR PREDICTION OF DUCTILE CRACK GROWTH RESISTANCE OF CRACKED COMPONENT Takehisa Yamada 1 Mitsuru Ohata IHI Corporation Osaka University Yokohama, Japan Suita, Japan ABSTRACT The aim of this study is to propose the damage model...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A043, July 14–19, 2019
Paper No: PVP2019-93533
... the earliest practical replacement opportunity. HTHA damage and crack growth predictions are carried out based on documented historical operating conditions. Additionally, sensitivity in predicted remaining life to anticipated future operating temperatures is considered. Furthermore, based on state-of-the-art...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 97-106, July 18–22, 2010
Paper No: PVP2010-25267
... Copyright © 2010 by ASME 1 IMPROVED INCREMENTAL J-INTEGRAL EQUATION FOR DETERMINING CRACK GROWTH RESISTANCE CURVES Xian-Kui Zhu, Brian N. Leis Battelle Memorial Institute 505 King Avenue Columbus, Ohio 43201, USA ABSTRACT: The J-integral resistance curve is the most important material property...
Proceedings Papers

Proc. ASME. PVP2002, New and Emerging Computational Methods: Applications to Fracture, Damage, and Reliability, 17-24, August 5–9, 2002
Paper No: PVP2002-1191
... 15 08 2008 Failure of pressure vessels and piping systems that operate at high temperatures can occur by net section rupture, creep crack growth or a combination of both processes. Several design and assessment procedures are available for dealing with this situation. These include...
Proceedings Papers

Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 197-204, July 17–21, 2005
Paper No: PVP2005-71485
... to a nearly constant value. When the common practice is adopted by using only the constant part of CTOD/CTOA as the fracture criterion, the crack growth behavior is shown to be severely underestimated. However, with a bilinear form of CTOD/CTOA fracture criterion which approximates the initial non-constant...
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 3: Design and Analysis, 591-597, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-94041
... compared with experimental results from literature and also with the results obtained from an analytical model for elasto-dynamic response of cylindrical shells with finite length to internal detonation loading. The modeling of crack growth was also performed using WARP3D based on CTOA as the fracture...