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    Reassessment of French Reactor Pressure Vessel integrity

    Ternon-Morin, F. / Meziere, Y. / Moinereau, D. et al. | Tema Archiv | 1998
    The safety margin evaluation for French Reactor Pressure Vessels has been carried out according to a semi-probabilistic approach derived ...

    Some recent developments in French reactor pressure vessel structural integrity assessment

    Moinereau, D. / Messelier-Gouze, C. / Bezdikian, G. et al. | Tema Archiv | 1998
    elastic computations with a specific plasticity correction. The methodology is presented and compared to results obtained by some two-dimensional ...

    Effect of specimen configurations on J-R curves in nuclear piping material

    Kim, S.Y. / Choi, J.B. / Kim, Y.J. et al. | Tema Archiv | 1998
    In determining a fracture resistance curve (J-R curve), the constraint effects due to the specimen size and crack configuration must be ...
    Schlagwörter: Rohrleitung

    Fracture analysis of 500 MWe Indian PHWR PHT piping with throughwall cracks

    Chattopadhyay, J. / Dutta, B.K. / Kushwaha, H.S. | Tema Archiv | 1998
    transport (PHT) piping system. Towards this goal, a detailed non-linear fracture analysis has been carried out on all the straight pipes and elbows ...

    Ductile fracture behavior of stainless steel cracked pipes at high temperature

    Miura, N. / Shimakawa, T. | Tema Archiv | 1998
    circumferentially cracked pipes both at room temperature and at high temperature. Tested pipes were relatively thin-walled and were made of austenitic ...

    Fatigue crack growth and penetration behaviours in pipes subjected to bending moment

    Yoo, Yeon-Sik / Ahn, S.H. / Ando, K. | Tema Archiv | 1998
    attention from a structural integrity point of view. However, studies of fatigue crack growth behaviours and crack opening displacement on a complex ...

    Autofrettage of thick cylinders with radial cross bores

    Lapsley, C. / Mackenzie, D. | Tema Archiv | 1998
    cylinder of similar geometry, appear appropriate but give rise to high plastic strains in the cross-bore. These strains must be considered and ...

    Analysis of deformation behaviors in new type bellows with two-directional convolutions

    Katayama, H. / Inamoto, T. / Igi, S. et al. | Tema Archiv | 1998
    Bellows are used as the element of expansion joint. One of the problems in the piping system for industrial plants is the excessive ...

    LBB condition for pipe with a circumferential crack under cyclic bending moment

    Yoo, Yeon-Sik / Okamoto, A. / Ando, K. | Tema Archiv | 1998
    Most pipe system receive cyclic load. And for a seismic design, low cyclic fatigue behaviour is important. However, most studies on LBB ...

    Fracture mechanics investigation of root formation and shrinkage zone during welding

    Fricke, S. / Keim, E. / Schmidt, J. | Tema Archiv | 1998
    welding process contraction folds occur as a result of shrinkage. These folds affect areas with high stress concentration and areas which are also ...

    PWR vessel life management: French approach for integrity assessment and maintenance strategy

    Bezdikian, G. / Moinereau, D. / Faidy, C. et al. | Tema Archiv | 1998
    The French Utility EDF's integrity assessment and maintenance strategy for pressure vessel life management is introduced. Under this ...

    ISO test method and results on sustained-load-cracking resistance of aluminum cylinders

    Bhuyan, G.s. / Rana, M.D. | Tema Archiv | 1998
    Leak as well as rupture types of failures related to sustained-load-cracking (SLC) have been observed in high pressure gas cylinders ...

    Bauschinger effect in autofrettaged tubes - a comparison of models including the ASME code

    Parker, A.P. / Underwood, J.H. | Tema Archiv | 1998
    Autofrettage is used to introduced advantageous residual stresses into pressure vessel and to enhance their fatigue lifetimes. In this ...

    Progress report on the API project to develop risk based inspection methodology

    Reynolds, J.T. | Tema Archiv | 1998
    and software for the oil and chemical industry. The project, which initiated in August of 1993, is targeted for completion in December, 1998 ...

    Analysis of a bending test on a full-scale PWR hot leg elbow containing a surface crack

    Le Delliou, P. / Julisch, P. / Hippelein, K. et al. | Tema Archiv | 1998
    , were handled by MPA. The test was conducted under constant internal pressure and in-plane bending (opening mode) at 200 degree C. For safety ...

    Stress intensity factors for internal circumferential cracks in tubes over a wide range of radius over thickness ratios

    Chapuliot, S. / Lacire, M.H. / Le Delliou, P. | Tema Archiv | 1998
    This paper presents a new compendium of Stress Intensity Factors for internal defects in tubes and plates, obtained through finite element ...

    Initial bending fatigue testing of PVC pipe joints

    Cavak, M. / Scavuzzo, R.J. / Cakmak, M. et al. | Tema Archiv | 1998
    .) to the rated internal pressure of 280 psig. These results are also compared to plain pipe without joints. All testing was done using a ...

    Evaluation of creep-fatigue life of 316FR cylinder subjected to cyclic movement of axial temperature distribution

    Chuman, Y. / Yamauchi, M. / Kaguchi, H. et al. | Tema Archiv | 1998
    . The stress condition was almost uniaxial and tensile hold on the outer surface and almost equibiaxial and compressive hold on the inner ...

    Application of R6 constraint methods using weight functions for T-stress

    Hooton, D.G. / Sherry, A.H. / Sanderson, D.J. et al. | Tema Archiv | 1998
    constraint parameters T and Q, were initially limited to primary loading. Recently, a new version of the appendix has been issued in which the ...

    Sensitivity study of the pretest analysis of the NESC-1 spinning cylinder experiment

    Sattari-Far, I. / Dahlberg, L. | Tema Archiv | 1998
    wall thickness of 175 mm and a length of 1296 mm. An internal surface breaking crack with depth of 73 mm and length of 205 mm subjected to a ...