Fracture assessment of shallow-flaw cruciform beams tested under uniaxial and biaxial loading conditions

Nuclear Engineering and Design

Volumn 188, Issue 3, 1999, Pages 259-288

  Bass, B R ^a   McAfee, W J ^a   Williams, P T ^a   Pennell, W E ^a  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRACK INITIATION; DYNAMIC LOADS; EQUIPMENT TESTING; FRACTURE MECHANICS; FRACTURE TOUGHNESS; MATHEMATICAL MODELS; PRESSURE VESSELS; SHOCK WAVES; THERMAL EFFECTS; THERMAL STRESS; WEIBULL DISTRIBUTION;

BIAXIAL LOADING; DODDS-ANDERSON TOUGHNESS SCALING METHOD; FRACTURE ASSESSMENT; HYDROSTATIC STRESS FRACTURE CRITERION; SHALLOW FLAW CRUCIFORM BEAMS; THERMAL SHOCK;

NUCLEAR REACTORS;

EID: 0032651582     PISSN: 00295493     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0029-5493(99)00035-7     Document Type: Article

References (31)

1. ABAQUS Theory Manual, Version 5.7, 1997. Hibbit, Karlson and Sorensen Inc., Providence, RI, USA.
2. Anderson, T.L., Dodds, R.H. Jr, 1991. Specimen size requirements for fracture toughness testing in the ductile-brittle transition region. J. Test. Eval. 19, 123-134.
3. o, for Ferritic Steels in the Transition Range. Philadelphia, ASTM E1921.
4. Bass, B.R., Bryson, J.W., Theiss, T.J., Rao, M.C., 1994. Biaxial loading and shallow-flaw effects on crack-tip constraint and fracture toughness. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-6132, (ORNL/ TM-12498).
5. Bass, B.R., Keeney, J.A., McAfee, J.W., 1995. Assessment of the fracture behavior of weld material from a full-thickness clad RPV shell segment. In: Fatigue and Fracture Mechanics in Pressure Vessels and Piping. ASME Pressure Vessel and Piping Conference, Honolulu, Hawaii, PVP-Vol. 304, pp. 299-311.
6. Bass, B.R., McAfee, W.J., Bryson Jr, J.W., Pennell, W.E., 1997. Determination of cladding effects on shallow-flaw fracture toughness of reactor pressure vessel steel under prototypic biaxial loading. In: 5th International Conference on Nuclear Engineering. Nice, France.
7. Bass, B.R., McAfee, W.J., Williams, P.T., Pennell, W.E., 1998. Evaluation of constraint methodologies applied to a shallow-flaw cruciform bend specimen tested under biaxial loading conditions. In: Fatigue, Fracture, and High Temperature Design Methods in Pressure Vessels and Piping. ASME Pressure Vessel and Piping Conference, PVP-Vol. 365, pp. 11-25.
8. Batdorf, S.B., Heinisch, H.L. Jr, 1978. Weakest-link theory reformulated for arbitrary fracture criterion. J. Am. Ceram. Soc. 61 (7-8), 355-358.
9. c). Int. J. Fract. 48, 1-22.
10. Dodds, R.H. Jr, Shih, C.F., Anderson, T.L., 1993. Continuum and micromechanics treatment of constraint in fracture. Int. J. Fract. 64, 101-133.
11. Dortmans, L., Thiemeier, T., Brückner-Foit, A., Smart, J., 1993. WELFEP: A round robin for weakest-link finite element postprocessors. J. Eur. Ceram. Soc. Elsevier Science Publishers Ltd, England, 0955-2219/93/S6.00.
12. Evans, A.G., 1978. A general approach for the statistical analysis of multiaxial fracture. J. Am. Ceram. Soc. 61 (7-8), 302-308.
13. Freudenthal, A.M., 1968. Statistical approach to brittle fracture. In: Leibowitz, H. (Ed.), Fracture: An Advanced Treatise, Vol. 2, Mathematical Fundamentals. Academic Press, New York, pp. 591-619.
14. Gao, X., Ruggieri, C., Dodds Jr, R.H., 1998. Calibration of Weibull stress parameters using fracture toughness data. Int. J. Fract. (in press).
15. Garwood, S.J., 1991. The significance of biaxial loading on the fracture performance of a pressure vessel steel. In: Pressure Vessel Integrity. ASME, PVP-Vol. 213/MPC-Vol. 32, pp. 113-123.
16. Hellen, T.K., Blackburn, W.S., 1975. The calculation of stress intensity factors for combined tension and shear loading. Int. J. Fract. 11, 605-617.
17. Lamon, J., Evans, A.G., 1983. Statistical analysis of bending strengths for brittle solids: a multiaxial fracture problem. J. Am. Ceram. Soc. 66, 177-182.
18. Larsson, S.G., Carlson, A.J., 1973. Influence of non-singular stress terms and specimen geometry on small scale yielding at crack-tips in elastic-plastic materials. J. Mech. Phys. Solids 21, 447-473.
19. McAfee, W.J., Bass, B.R., Bryson Jr, J.W., Pennell, W.E., 1995. Biaxial loading effects on fracture toughness of reactor pressure vessel steel. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-6273 (ORNL/TM-12866).
20. McAfee, W.J., Bass, B.R., Bryson Jr, J.W., 1997. Development of a methodology for the assessment of shallow-flaw fracture in nuclear reactor pressure vessels. In: ASME Pressure Vessel and Piping Conference. Orlando, Florida, July 27-31, 1997, PVP-Vol. 346, pp. 85-94.
21. Merkle, J.G., 1984. An examination of the size effects and data scatter observed in small-specimen cleavage fracture toughness testing. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-3672 (ORNL/TM-9088).
22. Nanstad, R.K., Haggag, F.M., McCabe, D.E., Iskander, S.K., Bowman, K.O., Menke, B.H., 1992. Irradiation effects on fracture toughness of two high-copper submerged-arc welds. HSSI series 5. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-5913 (ORNL/TM-12156/V1).
23. O'Dowd, N.P., Shih, C.F., 1991. Family of crack-tip fields characterized by a triaxiality parameter: part I - structure of fields. J. Mech. Phys. Solids 39 (8), 989-1015.
24. Pennell, W.E., Bass, B.R., Bryson Jr, J.W., Dickson, T.L., Merkle, J.G., 1996. Preliminary assessment of the effects of biaxial loading on reactor pressure vessel structural-integrity-assessment technology. In: Proc. 4th ASME/JSME Int. Conf. Nucl. Eng. New Orleans, Louisiana.
25. Rice, J.R., 1974. Limitations to the small scale yielding approximation for crack tip plasticity. J. Mech. Phys. Solids 21, 17-26.
26. Ruggieri, C., Dodds Jr, R.H., 1996. Probabilistic modeling of brittle fracture including 3-D effects on constraint loss and ductile tearing. Int. Conf. Local Approach Fract. (MECA-MAT 96). Fontainebleau, France.
27. Ruggieri, C., Dodds Jr, R.H., 1998. Numerical evaluation of probabilistic fracture parameters with WSTRESS. Eng. Comput. 15, 49-73.
28. Theiss, T.J., Shum, D.K.M., 1992. Experimental and analytical investigation of the shallow-flaw effect in reactor pressure vessels. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-5886 (ORNL/TM-12115).
29. Theiss, T.J., Bass, B.R., Bryson, J.W., McAfee, W.J., Nanstad, R.K., Pennell, W.E., Rao, M.C., 1993. Initial results of the influence of biaxial loading on fracture toughness. USNRC Report. Oak Ridge National Laboratory, NUREG/CR-6036, (ORNL/TM-12349).
30. Thiemeier, T., Brückner-Foit, A., 1991. Influence of the fracture criterion on the failure prediction of ceramics loaded in biaxial flexure. J. Am. Ceram. Soc. 74 (1), 48-52.
31. Weiss, V., 1972. Material ductility and fracture toughness of metals. Proc. Int. Conf. Mech. Behav. Mater. The Society of Materials Science. Kyoto, Japan, August 15-20, 1971.