Translucent ZrO2 prepared at high pressures Export

@article{citeulike:1552510, abstract = {Submicron particles of monoclinic ZrO2, with and without stabilizing oxides of CaO or Y2O3, have been subjected to pressures ranging from 0.5 to 30 kbars and temperatures ranging from 1300[degree sign] to 1750[degree sign]C. Heating rates of 1000[degree sign]C per hour followed by cooling rates of 500[degree sign]C per hour at pressure were needed to achieve translucent monoclinic and cubic stabilized ZrO2. Specimens with essentially theoretical density were formed by high-pressure hot-pressing (monoclinic ZrO2 = 5.61 g/cm3, 15 mole \% CaO-stabilized cubic ZrO2 = 5.54 g/cm3, and 15 mole \% Y2O3-stabilized cubic ZrO2 = 6.05 g/cm3). Photometric measurements indicated an average of 12\% in-line light transmission for both types of ZrO2. A uniform increase in grain size ranging from 1 [mu] to 5 [mu] going from the center of the specimen to the outer edge was observed, due to pressure gradients encountered at temperature. A dislocation density of 107-109 cm-2 was determined for monoclinic and cubic ZrO2 pressed to 30 kbars and 1750[degree sign]C.}, author = {Vahldiek, F. W.}, citeulike-article-id = {1552510}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/0022-5088(67)90087-2}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B759D-48GXGNP-1H2/2/45c7665017a9801a6579d42920dd5e57}, doi = {10.1016/0022-5088(67)90087-2}, journal = {Journal of the Less Common Metals}, keywords = {ca, hot-press, transparent\_ceramic, y, zirconia}, month = {November}, number = {5}, pages = {530--540}, posted-at = {2007-08-10 21:37:16}, priority = {0}, title = {Translucent ZrO2 prepared at high pressures}, url = {http://dx.doi.org/10.1016/0022-5088(67)90087-2}, volume = {13}, year = {1967} }

TY - JOUR ID - citeulike:1552510 L3 - citeulike-article-id:1552510 N2 - Submicron particles of monoclinic ZrO2, with and without stabilizing oxides of CaO or Y2O3, have been subjected to pressures ranging from 0.5 to 30 kbars and temperatures ranging from 1300[degree sign] to 1750[degree sign]C. Heating rates of 1000[degree sign]C per hour followed by cooling rates of 500[degree sign]C per hour at pressure were needed to achieve translucent monoclinic and cubic stabilized ZrO2. Specimens with essentially theoretical density were formed by high-pressure hot-pressing (monoclinic ZrO2 = 5.61 g/cm3, 15 mole % CaO-stabilized cubic ZrO2 = 5.54 g/cm3, and 15 mole % Y2O3-stabilized cubic ZrO2 = 6.05 g/cm3). Photometric measurements indicated an average of 12% in-line light transmission for both types of ZrO2. A uniform increase in grain size ranging from 1 [mu] to 5 [mu] going from the center of the specimen to the outer edge was observed, due to pressure gradients encountered at temperature. A dislocation density of 107-109 cm-2 was determined for monoclinic and cubic ZrO2 pressed to 30 kbars and 1750[degree sign]C. IS - 5 JF - Journal of the Less Common Metals EP - 540 TI - Translucent ZrO2 prepared at high pressures VL - 13 SP - 530 KW - ca KW - hot-press KW - transparent_ceramic KW - y KW - zirconia AU - Vahldiek, FW PY - 1967/11// UR - http://dx.doi.org/10.1016/0022-5088(67)90087-2 ER -