A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
COLORED SINTERED BODY AND METHOD FOR PRODUCING THE SAME
To provide at least one of: a sintered body that contains zirconia as a matrix, exhibits a vivid green color tone, and is resistant to fading; and a method for producing the same.SOLUTION: A sintered zirconia body comprises: a spinel compound that has a ratio of monoclinic zirconia after hydrothermal treatment at 140°C for 24 hours of less than 25% and further contains aluminum and a coloring element; and an aluminium oxide, wherein a stabilizing element and a lanthanoid element that has an ionic radius that exceeds atomic radiuses of the stabilizing element and the zirconium are dissolved.SELECTED DRAWING: None
【課題】ジルコニアをマトリックスとして含み、鮮明な緑色の色調を呈する焼結体であって、退色が生じにくいもの及びその製造方法の少なくともいずれか、を提供する。【解決手段】１４０℃で２４時間の水熱処理後の単斜晶ジルコニアの割合が２５％未満であり、なおかつ、アルミニウム及び着色元素を含むスピネル化合物、並びに、アルミニウム酸化物を含み、安定化元素と、該安定化元素及びジルコニウムの原子半径を超えるイオン半径を有するランタノイド元素と、を固溶するジルコニアの焼結体。【選択図】なし
COLORED SINTERED BODY AND METHOD FOR PRODUCING THE SAME
To provide at least one of: a sintered body that contains zirconia as a matrix, exhibits a vivid green color tone, and is resistant to fading; and a method for producing the same.SOLUTION: A sintered zirconia body comprises: a spinel compound that has a ratio of monoclinic zirconia after hydrothermal treatment at 140°C for 24 hours of less than 25% and further contains aluminum and a coloring element; and an aluminium oxide, wherein a stabilizing element and a lanthanoid element that has an ionic radius that exceeds atomic radiuses of the stabilizing element and the zirconium are dissolved.SELECTED DRAWING: None
【課題】ジルコニアをマトリックスとして含み、鮮明な緑色の色調を呈する焼結体であって、退色が生じにくいもの及びその製造方法の少なくともいずれか、を提供する。【解決手段】１４０℃で２４時間の水熱処理後の単斜晶ジルコニアの割合が２５％未満であり、なおかつ、アルミニウム及び着色元素を含むスピネル化合物、並びに、アルミニウム酸化物を含み、安定化元素と、該安定化元素及びジルコニウムの原子半径を超えるイオン半径を有するランタノイド元素と、を固溶するジルコニアの焼結体。【選択図】なし
COLORED SINTERED BODY AND METHOD FOR PRODUCING THE SAME
着色焼結体及びその製造方法
NAGAYAMA HITOSHI (author) / FUNAKOSHI HAJIME (author) / TSUCHIYA SATOSHI (author)
2023-12-14
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
COLORED ZIRCONIA SINTERED BODY AND METHOD FOR PRODUCING THE SAME
| European Patent Office | 2017
PURPLE-COLORED ZIRCONIA SINTERED BODY AND METHOD FOR PRODUCING THE SAME
| European Patent Office | 2021
PINK-COLORED ZIRCONIA SINTERED BODY AND METHOD FOR PRODUCING THE SAME
| European Patent Office | 2020
PINK-COLORED ZIRCONIA SINTERED BODY AND METHOD FOR PRODUCING THE SAME
| European Patent Office | 2020