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Plasticity at crack tips in Gd3Ga5O12 garnet single crystals deformed at temperatures below 950°C

January 15, 1985

Single crystals of Gd3Ga5O12 have been strained under confining pressure (1 5 GPa) at temperatures below 950°C. No evidence for macroscopic plasticity was found, but transmission electron microscopy revealed dislocation generation at crack tips. Deformation mechanisms are different from those operating in the high-temperature regime: extending stacking faults in {110} planes and the 〈010〉{100} glide system were observed. Dissociations of a/4〈111〉 partial dislocations were also observed.

Citation Information

Publication Year 1985
Title Plasticity at crack tips in Gd3Ga5O12 garnet single crystals deformed at temperatures below 950°C
DOI 10.1080/01418618508237568
Authors H. Garem, J. Rabier, Stephen H. Kirby
Publication Type Article
Publication Subtype Journal Article
Series Title Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Index ID 70207842
Record Source USGS Publications Warehouse
USGS Organization Earthquake Science Center

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