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Keywords: Stress triaxialityClose
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A027, July 13–15, 2021
Paper No: PVP2021-60495
... of crack 1 mm growth shapes at the end of the test end of test STRESS TRIAXIALITY IN SPECIMENS AND FP2 MOCK-UP Figure 9: Stress triaxiality in the CT20 specimen The simulation of the SENT test shows a In order to support constraint investigations stress considerably lower stress triaxiality. As seen from...
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A040, July 13–15, 2021
Paper No: PVP2021-60402
...Abstract Abstract The objective of this study is to investigate the effect of the Lode parameter on different material strengths. Recent work has shown that ductile failure highly depends on the stress state characterized by both the stress triaxiality T and the Lode parameter L, which...
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A101, August 3, 2020
Paper No: PVP2020-21028
... stress triaxiality STRAIN LIMITS AGAINST LOCAL FRACTURE OF VESSELS AND COMPONENTS Xian-Xing (Lambert) Li1 Ontario Power Generation Pickering, Ontario, Canada Feng Xi Shandong Jianzhu University Jinan, Shandong, China ABSTRACT To protect vessels and components against local fracture, fracture...
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A045, July 14–19, 2019
Paper No: PVP2019-93569
... by Gurson and further modified by Tvergaard. Calibration of required material parameters and prediction of the mock-up behavior during the test is discussed. In order to support constraint investigations stress triaxiality ahead of the crack front during crack propagation in the mock-ups is evaluated...
Proc. ASME. PVP2004, Experience With Creep-Strength Enhanced Ferritic Steels and New and Emerging Computational Methods, 169-184, July 25–29, 2004
Paper No: PVP2004-2581
... fracture specimens under Component Integrity Test Program at Bhabha Atomic Research Center (BARC), India. 3-D elastic-plastic finite element analyses have been carried out on the specimens and piping components to investigate the stress triaxiality ahead of crack tip. The reference JR curve has been...