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TECHNICAL PAPERS

The Linkage Between Microscopic Cavitation Damage and Macroscopic Crack Growth

[+] Author and Article Information
P. R. Onck, B.-N. Nguyen, E. van der Giessen

Koiter Institute Delft, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands

J. Eng. Mater. Technol 122(3), 279-282 (Feb 07, 2000) (4 pages) doi:10.1115/1.482799 History: Received October 15, 1999; Revised February 07, 2000
Copyright © 2000 by ASME
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References

Riedel, H., 1987, “Fracture at high temperatures,” Materials Research and Engineering Series, Springer-Verlag.
Ozmat,  B., Argon,  A. S., and Parks,  D. M., 1991, “Growth modes of cracks in creeping type 304 stainless steel,” Mech. Mater., 11, pp. 1–17.
Onck,  P. R., and Van der Giessen,  E., 1999, “Growth of an initially sharp crack by grain boundary cavitation,” J. Mech. Phys. Solids, 47, pp. 99–139.
Nguyen, B.-N., Onck, P. R., and Van der Giessen, E., 2000, “On Higher-Order Crack-Tip Fields in Creeping Solids,” ASME J. Appl. Mech., in print.
Nguyen,  B.-N., Onck,  P. R., and Van der Giessen,  E., 2000, “Crack-tip Constraint Effects on Creep Fracture,” Eng. Fract. Mech., 65, pp. 467–490.
Yang,  S., Chao,  Y. J., and Sutton,  M. A., 1993, “Higher Order Asymptotic Crack Tip Fields in a Power-law Hardening Material,” Eng. Fract. Mech., 45, pp. 1–20.
Chao,  Y. J. and Zhang,  L., 1997, “Tables of plane strain crack tip fields: HRR and higher order terms,” ME-Report 97-1, University of South Carolina.
Shih,  C. F., 1983, “Tables of HRR Singular Field Quantities,” Report MRL E-147, Materials Research Laboratory, Brown University, Providence.
Needleman,  A., and Rice,  J. R., 1980, “Plastic creep flow effects in the diffusive cavitation of grain boundaries,” Acta Metall., 28, pp. 1315–1332.
Sham,  T.-L., and Needleman,  A., 1983, “Effects of triaxial stressing on creep cavitation of grain boundaries,” Acta Metall., 31, pp. 919–926.
Tvergaard,  V., 1984, “On the creep constrained diffusive cavitation of grain boundary facets,” J. Mech. Phys. Solids, 32, pp. 373–393.
Onck,  P. R., and Van der Giessen,  E., 1999, “Microstructural modelling of creep crack growth from a blunted crack,” Int. J. Fract., 92, pp. 373–399.
Onck,  P. R., and Van der Giessen,  E., 1998, “Micromechanics of creep fracture: simulation of intergranular crack growth,” Comput. Mater. Sci., 13, pp. 90–102.

Figures

Grahic Jump Location
Finite element mesh used for small-scale damage analysis
Grahic Jump Location
Cavitation state and crack growth for the sharp crack at t/tR=7.31. Microcracked facets, where a/b=0.7 are highlighted in black.
Grahic Jump Location
Cavitation state and crack growth for the blunted crack at t/tR=5.07

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