Zogulitsa
Yttrium, 39y | |
Nambala ya Atomiki (Z) | 39 |
Gawo ku STP | cholimba |
Malo osungunuka | 1799 K (1526 °C, 2779 °F) |
Malo otentha | 3203 K (2930 °C, 5306 °F) |
Kachulukidwe (pafupi ndi rt) | 4.472g/cm3 |
pamene madzi (mp) | 4.24g/cm3 |
Kutentha kwa fusion | 11.42 kJ / mol |
Kutentha kwa vaporization | 363 kJ / mol |
Molar kutentha mphamvu | 26.53 J/(mol·K) |
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Yttrium oxide
Yttrium oxide, yomwe imadziwikanso kuti Yttria, ndi mchere wabwino kwambiri wopangira msana. Ndi chinthu chosasunthika, cholimba choyera. Ili ndi malo osungunuka kwambiri (2450oC), kukhazikika kwa mankhwala, kutsika kwa mphamvu zowonjezera kutentha, kuwonetseredwa kwakukulu kwa zonse zowoneka (70%) ndi kuwala kwa infrared (60%), kutsika kochepa mphamvu ya photons. Ndizoyenera kugwiritsa ntchito magalasi, optic ndi ceramic.