Nucleation of feather cracks in columnar freshwater ice: Experimental observations

Journal of Geophysical Research: Oceans

Volumn 103, Issue C10, 1998, Pages 21767-21774

  Gupta, V ^a   Picu, R C ^a  

^a University of California   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIAXIAL TEST; CRACK; FAILURE MECHANISM; ICE MECHANICS; ICE-STRUCTURE INTERACTION; NUCLEATION;

EID: 0032531392     PISSN: 21699275     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/98JC01267     Document Type: Article

References (25)

1. Bergstrom, J. S., Crack nucleadon and final failure of freshwater columnar ice under biaxial compression, M.S. thesis,Thayer School of Eng., Dartmouth Coll., Hanover, N. H.,June 1995.
2. Cole, D. M., Crack nucleation in polycrystalline ice, Cold Reg. Sci. Technol., 15, 79-87, 1988.
3. Connard, R. E., M. Friedman, Microscopic feather fracture in the faulting process, Tectonophysics, 33, 187-198, 1976.
4. Frederking, R., Plane strain compressive strength of columnar-grained and granular snow ice, J. Glaciol., 18, 505-516, 1977.
5. Friedman, M., J. M. Logan, Microscopic feather fracture, Geol. Soc. Am. Bull., 81, 3417-3420, 1970.
6. Gold, L. W., Process of failure in columnar ice, Philos. Mag., 26, 311-328, 1972.
7. Goodman, D. J., H. J. Frost, M. F. Ashby, The plasticity of polycrystalline ice, Philos. Mag. A, 43, 665-695, 1981.
8. Gupta, V., T. Xuefeng, Measurement of cleavage strength in freshwater ice crystal, J. Offshore Mech. Arct. Eng., 116, 35-42, 1993.
9. Gupta, V., R. C. Picu, J. S. Bergström, Nucleation of splitting column cracks in ice, Ice Mechanics, 207, 265-275, Am. Soc. of Mech. Eng., New York, 1995.
10. Gupta, V., R. C. Picu, J. S. Bergström, Nucleation of splitting cracks in columnar freshwater ice, Acta. Mater., 45, 1411-1423, 1997.
11. Jones, S. J., The confined compressive strength of polycrystalline ice, J. Glaciol, 28, 171-177, 1982.
12. Kuehn, G. A., R. W. Lee, W. A. Nixon, E. M. Schulson, The structure and tensile behavior of first-year sea ice and laboratory-grown saline ice, J. Offshore. Mech. Arct. Eng., 112, 357-363, 1990.
13. Picu, R. C., Stress concentration and crack nucleation in brittle materials, Ph.D. thesis,Thayer School of Eng., Dartmouth Coll., Hanover, N. H.,December 1995.
14. Picu, R. C., V. Gupta, Crack nucleation in columnar ice due to elastic anisotropy and grain boundary sliding, Acta Metall. Mater., 43, 3798-3805, 1995 a.
15. Picu, R. C., V. Gupta, Observations of crack nucleation in columnar ice due to grain boundary sliding, Acta Metall. Mater., 43, 3791-3797, 1995 b.
16. Picu, R. C., V. Gupta, Singularities at grain triple junctions in two dimensional polycrystals with cubic and orthotropic grains, J. Appl. Mech., 63, 295-300, 1996 a.
17. Picu, R. C., V. Gupta, Stress singularities at triple junctions with freely sliding grains, Intl. J. Solids Struct., 33, 1535-1541, 1996 b.
18. Picu, R. C., V. Gupta, Three-dimensional stress singularities at the tip of a grain triple junction line intersecting the free surface, J. Mech. Phys. Solids, 45, 1495-1520, 1997.
19. Picu, R. C., V. Gupta, H. J. Frost, Crack nucleation mechanism in saline ice, J. Geophys. Res., 99 B6, 11,775-11,786, 1994.
20. Picu, R. C., J. S. Bergstrom, V. Gupta, BritUe failure of columnar freshwater ice under off-axis compression loading, Scr. Mater., 36, 63-67, 1997.
21. Schulson, E. M., The brittle compressive fracture of ice, Acta Metall. Mater., 38, 1963-1976, 1990.
22. Sinha, N. K., Grain boundary sliding in polycrystalline materials, Philos. Mag. A, 40, 825-842, 1979.
23. Smith, T. R., The effect of the stress state on the brittle compressive failure of columnar ice, Ph.D. thesis,Thayer School of Eng., Dartmouth Coll., Hanover, N. H., 1992.
24. Smith, T. R., E. M. Schulson, Britle compressive failure of salt-water columnar ice under biaxial loading, J. Glaciol., 40, 265-276, 1994.
25. Sunder, S. S., M. S. Wu, Crack nucleation due to elastic anisotropy in polycrystalline ice, Cold Reg. Sci. Technol., 18, 29-47, 1990.