... elasticity fatigue life testing maximum likelihood estimation plastic deformation pressure vessels regression analysis Weibull distribution When local yielding is involved, the stress-based approach is not appropriate, so in these cases the strain-based approach proves to be a useful method...

... 2010 23 08 2010 boilers creep creep testing finite element analysis fracture fracture toughness testing internal stresses life testing pipes pressure remaining life assessment steel internal pressure creep P91 steel longitudinal welded tube life prediction void growth...

... stress location, respectively. The lowest stress weld was estimated to be 56% of the maximum stress location. The estimated total life for weld A (rank 1) was 150,000 h and the estimated life for weld F (rank 6) was 380,000 h. failure (mechanical) finite element analysis life testing occupational...

... element analysis life testing pipes reliability structural engineering Taguchi methods wear structural integrity steam generator tube finite element method condition monitoring assessment plastic instability fitness-for-service There is a need for fitness-for-service guidelines...

... OF MECHANICAL ENGINEERS . Manuscript received by the PVP Division, January 2000; revised manuscript received October 23, 2000. Editor: S.Y. Zamtik. 01 January 2000 23 October 2000 creep strain measurement life testing joining processes stress relaxation turbines valves...

... February 2000 17 May 2000 materials testing creep testing welding petroleum industry finite element analysis pressure vessels life testing For over a decade many petroleum companies have taken advantage of new tools developed for life assessment of components in the creep range...

... pressure vessels high-temperature effects power plants life testing failure (mechanical) high-pressure techniques As utilities in the U.S. enter the next decade, over 70 percent of existing fossil power plants will be more than 30 yr old. Many critical components in these plants are aging from...

.... 12 May 1999 03 April 2000 internal stresses creep materials testing plasticity metallurgy life testing failure (mechanical) Prediction of remanent (remaining) creep lifetimes of critical components in the electricity supply industry has become an important metallurgical...

... Technical Editor: D. M. Fryer. 26 July 1998 16 September 1998 11 October 1999 stress corrosion cracking stainless steel life testing safety fission reactor coolants materials testing failure (mechanical) Incidences of stress corrosion cracking (SCC) of stainless steel...