Plasticity at crack tips in Gd3Ga5O12 garnet single crystals deformed at temperatures below 950°C
Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
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Abstract
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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Plasticity at crack tips in Gd3Ga5O12 garnet single crystals deformed at temperatures below 950°C |
| Series title | Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties |
| DOI | 10.1080/01418618508237568 |
| Volume | 51 |
| Publication Date | September 13, 2006 |
| Year Published | 1985 |
| Language | English |
| Publisher | Taylor& Francis Online |
| Contributing office(s) | Earthquake Science Center |
| Description | 12 p. |
| First page | 485 |
| Last page | 496 |