Термостійкість великих монокристалів алмазу
The thermostability of large synthetic single diamond crystals has been examined at the temperatures up to 1000oC. An analysis has been made on effect of heat treatment on single crystals grown by the temperature gradient method in the system of Fe-Al-C at Р=6,6 GPa and t=1420-1480oC. The surface de...
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| Date: | 2003 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2003
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| Online Access: | https://surfacezbir.com.ua/index.php/surface/article/view/128 |
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| Journal Title: | Surface |
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Surface| Summary: | The thermostability of large synthetic single diamond crystals has been examined at the temperatures up to 1000oC. An analysis has been made on effect of heat treatment on single crystals grown by the temperature gradient method in the system of Fe-Al-C at Р=6,6 GPa and t=1420-1480oC. The surface degradation has been studied of crystal faces connected with annealing as well as an effect of solved metal on the strained state of diamond crystals and their magnetic perceptivity. It has been found that even if annealed for 8 h at 1000oC, the degrading layer has a thickness not exceeding 150 microns. |
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