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 SM ISO690:2012ZHITARU, Raisa, RAHVALOV, Veaceslav. Temperature and preliminary deformation influence on micromechanical and acoustic-emission properties of MgO single crystals. In: Moldavian Journal of the Physical Sciences, 2007, nr. 2(6), pp. 253-260. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 2(6) / 2007 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 253-260 | ||||||
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The MgO single crystals were subjected to the annealing at Tan=150-600 °C as well as
to the plastic deformation over ε=0-6% at 150 and 600 °C. The resting influence on the mechanical properties of these samples was investigated. It was established that with increasing
of Tan and ε at Tdef<300 °C the microhardness increases and the acoustic emission decreases.
Thus, the conditions for increasing of strength and decreasing of brittleness of MgO crystals
were revealed. |
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