MOLTEN POWDER OF YTTRIA-STABILISED ZIRCONIA

• Main Authors: LEVY CAROLINE, MARLIN SAMUEL
• Format: Patent
• Language: English; Korean
• Published: 15.06.2015
• Subjects: ARTIFICIAL STONE; BASIC ELECTRIC ELEMENTS; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; ELECTRICITY; LIME, MAGNESIA; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

본 발명은, 융합된 이트리아-안정화 지르코니아 그레인으로 이루어지는 파우더에 관한 것으로서, 상기 그레인은 옥사이드를 기반으로 하는 중량 백분율로 다음의 화학적 분석을 나타낸다: - ZrO+ HfO: 100% 까지의 잔량; - 11.8% ≤ YO≤ 18.6%; - 0.07% ≤ AlO≤ 1.8%; - TiO≤ 0.6%(단, 0.6% < AlO라면 0.5　× AlO- 0.3% ≤ TiO를 만족); - 다른 옥사이드들: ≤ 2.0%. The present invention relates to a powder of molten grains of yttria-stabilized zirconia, said grains having the following chemical analysis, in weight percent on the basis of the oxides: ZrO2+HfO2: remainder up to 100%; 11.8%≦Y2O3≦18.6%; 0.07%≦Al2O3≦1.8%; TiO2≦0.6%, provided that 0.5<Al2O3 0.3%≦TiO2 if 0.6%<Al2O3; and other oxides: ≦2.0%.