... elasticity finite element analysis internal stresses pipes plasticity shapes (structures) work hardening Besides changing the direction of fluid flow, pipe bends do add necessary flexibility to the entire pipeline system. It has been theoretically proven by von Kàrmàn ( 1 ) that pipe bends...

...-5096 , 39 ( 8 ), pp. 989 – 1015 . 10.1016/0022-5096(91)90049-T 07 07 2010 21 09 2010 11 07 2011 11 07 2011 bending cracks ductile fracture finite element analysis pipelines pipes plasticity work hardening 2011 American Society of Mechanical Engineers ...

... assumptions made in the elastic analysis are valid for this configuration. 01 10 2010 08 02 2011 09 05 2011 09 05 2011 design engineering elastoplasticity heat exchangers pipes plastic deformation stress analysis work hardening Conventional tube sheet design...

.... , 1967 , Engineering Considerations of Stress, Strain, and Strength , McGraw-Hill , New York . 17 05 2009 18 01 2010 23 02 2011 23 02 2011 clamps compressive strength elastic constants elasticity elongation fasteners plasticity tensile strength work hardening...

... be obtained. cracks elastic limit finite element analysis plasticity work hardening 23 02 2010 11 06 2010 13 10 2010 13 10 2010 2010 American Society of Mechanical Engineers ...

.... , and Menzes , L. F. , 2007 , “ Study on the Influence of Work-Hardening Modeling in Springback Prediction ,” Int. J. Plast. 0749-6419 , 23 , pp. 516 – 543 . 10.1016/j.ijplas.2006.07.003 Li , B. , Metzger , D. R. , and Nye , T. J. , 2006 , “ Reliability Analysis of the Tube...

... 07 2010 cracks elastoplasticity fracture mechanics fracture toughness fracture toughness testing notch strength steel structural engineering work hardening yield stress CTOD is an elastic-plastic fracture mechanics parameter, and has been widely used for the evaluation...

... experience gained throughout the years. However, this is not sufficient to avoid occasional unsatisfactory operating joints and more research is required. elastoplasticity failure (mechanical) finite element analysis internal stresses mechanical contact pipes sheet materials work hardening...

... for special loading cases. 13 08 2008 20 01 2009 23 09 2009 Bauschinger effect elasticity internal stresses pipes plasticity polynomials steel wear work hardening analytical solution autofrettage residual stresses thick-walled tube In hydraulic autofrettage...

... 02 2008 03 03 2009 24 07 2009 deformation finite element analysis mechanical contact pipes rollers (machinery) rolling sheet materials work hardening tube-tubesheet joint strength projection initial clearance finite element During the rolling process...

... is obtained for the M ( T ) geometry using the high-strain fit (fit B ). 26 09 2007 24 12 2008 21 04 2009 crack-edge stress field analysis finite element analysis structural engineering work hardening fracture constraint elastic-plastic finite-element...

... model. finite element analysis internal stresses joining processes mechanical contact pipes rollers (machinery) sheet materials work hardening 30 05 2006 31 01 2007 21 08 2008 2008 American Society of Mechanical Engineers ...

..., and their amplitude ranged from 0.3 mm to 1.0 mm . Tension coupon tests were conducted on the intrados, extrados, and virgin materials of the specimens. It was revealed that the extrados material exhibited an increase in yield strength due to work hardening and that the intrados material demonstrated a reduction...

... work hardening 15 09 2006 08 11 2006 17 01 2008 2008 American Society of Mechanical Engineers ...

... to those of the pure mode III crack-tip field of Rice. 21 12 2005 15 08 2006 cracks plastics stress analysis work hardening crack asymptotic crack-tip fields mixed mode II/III mode II mode III Engineering materials and structures can fail in mixed mode conditions...

... fatigue crazing stainless steel crack arrest shot peening weld residual stress fission reactor cooling fission reactor materials crazing fatigue cracks thermal stress cracking internal stresses shot peening welds compressibility fatigue testing work hardening stainless steel...

... pressure. During the releasing of the autofrettage pressure, compressive reyielding, also called reverse yielding, may now occur at the bore of the cylinder. Bauschinger effect internal stresses yield strength work hardening finite element analysis 2006 American Society of Mechanical...

... are met in the work reported herein as part of the initial development and validation of a finite element (FE) procedure. work hardening wear Bauschinger effect weapons fatigue tensile strength compressive strength finite element analysis pressure vessels 05 12 2005 19 12...

... Bauschinger effect pipes wear work hardening internal stresses yield stress autofrettage residual stress distribution Bauschinger effect yield criterion The autofrettage process is a practical method for increasing the elastic-carrying capacity and the fatigue life of a thick-walled tube...

... is that the effect of any mean stress that may actually occur in an individual cycle with alternating plasticity in a real component can be neglected. This is made part of the design procedure considered in this paper. 08 08 2005 10 10 2005 pressure vessels fatigue kinematics work hardening...