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Keywords: plasticity
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Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A060, July 13–15, 2021
Paper No: PVP2021-61605
... to map the elastic follow up and through time. The results are benchmarked against uniaxial results having combined primary and secondary loading. elastic follow-up elevated temperature design creep plasticity Norton-Bailey Proceedings of the ASME 2021 Pressure Vessels & Piping Conference...
Proceedings Papers

Proc. ASME. PVP2020, Volume 2: Computer Technology and Bolted Joints, V002T02A007, August 3, 2020
Paper No: PVP2020-21012
..., die expansion of SS tubes creates not only high stresses when combined with operation stresses but also micro-cracks during expansion when the expansion process is not very well controlled. This research work aims at studying the elastic-plastic behavior and estimating the residual stress states...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A093, August 3, 2020
Paper No: PVP2020-21650
...Abstract Abstract We present VistaDam , a physics-based ductile fracture material model that is tailored to predict failure in thin metal sheets. VistaDam is based on a three invariant plasticity model in which metal fracture is dependent on the combined evolution of the triaxial stresses...
Proceedings Papers

Proc. ASME. PVP2019, Volume 2: Computer Technology and Bolted Joints, V002T02A008, July 14–19, 2019
Paper No: PVP2019-93699
...Pure Plastic Behavior and the Assumption of Zero Elasticity at the Limit Load Pedro V. Marcal MPACT, Corp. 5297 Oak Bend Lane, Suite 105 Oak Park, CA 91377 pedrovmarcal@gmail.com Jeffrey T. Fong National Institute of Standards & Technology 100 Bureau Drive Gaithersburg, MD 20899 fong@nist.gov...
Proceedings Papers

Proc. ASME. PVP2003, Residual Stress, Fitness-For-Service, and Manufacturing Processes, 203-211, July 20–24, 2003
Paper No: PVP2003-2065
... structures subjected to variable loads and temperatures. Solutions are presented for both perfect plasticity and complete cyclic hardening conditions, for differing values of crack lengths, for the classical axisymmetric Bree problem. The other is in the investigation of the relationship between the near...
Proceedings Papers

Proc. ASME. PVP2004, Pressure Vessel and Piping Codes and Standards, 173-175, July 25–29, 2004
Paper No: PVP2004-2687
... using finite element models. The requirement to apply a 15 % stress adjustment is also examined in light of the results of the finite element analyses. Keywords: Local thin areas, hemispherical head, plasticity INTRODUCTION Local thin areas (LTA's) occur in pressure vessels due to localized corrosion...
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 3: Design and Analysis, 423-429, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-94011
... strain accumulation and a physical basis for ascertaining if a structure under primary and secondary loading will behave elastically, plastically, shakedown, or ratchet. Comparisons of the method with inelastic analysis results have demonstrated its conservatism in stainless steel at temperatures...