Institute of Metals Division - Additional Observations on Twinning in Sapphire (Alpha-Al2O3 Crystals) During Compression (TN)
- Organization:
- The American Institute of Mining, Metallurgical, and Petroleum Engineers
- Pages:
- 2
- File Size:
- 126 KB
- Publication Date:
- Jan 1, 1965
Abstract
In a previous paper,1 the occurrence of (0001) and (0111) twins was reported for compression tests of 60-deg-oriented sapphire rods in the temperature range from 1100° to 1300° C. Subsequent to this initial work, additional tests have been conducted, and twinning has been found to occur at temperatures as high as 1500° C. Also, the temperature and strain-rate conditions for the two types of twins and for slip have been established in more detail. The present note covers this more recent work. The compression-test data are summarized in Table I. The techniques for identifying the twins are optical examination up to X1000 and X-ray analysis.' It is evident that (0711) twins are pre-
Citation
APA: (1965) Institute of Metals Division - Additional Observations on Twinning in Sapphire (Alpha-Al2O3 Crystals) During Compression (TN)
MLA: Institute of Metals Division - Additional Observations on Twinning in Sapphire (Alpha-Al2O3 Crystals) During Compression (TN). The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1965.