Direct observation of basal dislocation in sapphire by HRTEM
β Scribed by Atsutomo Nakamura; Takahisa Yamamoto; Yuichi Ikuhara
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 297 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1359-6454
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The properties of sapphire (a-Al 2 O 3 ) predeformed at T = 1450 Β°C by h1 0 1 0i{1 2 1 0} prism plane slip and subsequently deformed in h1 2 1 0i(0 0 0 1) basal slip between 1050 and 1250 Β°C were investigated. The critical resolved shear stress in basal slip was increased with respect to the non-pre
The authors wish to acknowledge the cooperation of Mr. J. A. Nook, Jr., of the ALCOA Research Laboratories in supplying the alloys used in this investigation. The financial support of the Transport Division of the Boeing Company, and the initial contributions of William A. Anderson and Don V. McInty