摘要:
The present invention relates to an article comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 80 percent by weight of the glass or glass-ceramic collectively comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , based on the total weight of the glass or glass-ceramic.
摘要翻译:本发明涉及包含Al 2 O 3和REO或Y 2 O 3中的至少一种的制品,其中至少80重量%的玻璃或玻璃陶瓷共同包含Al 2 O 3和REO或Y 2 O 3中的至少一种,基于总量 玻璃或玻璃陶瓷的重量。
摘要:
The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising at least 35 percent by weight Al 2 O 3 , based on the total weight of the glass or glass-ceramic, and a first metal oxide other than Al 2 O 3 , wherein the Al 2 O 3 and the first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass or glass-ceramic.
摘要:
The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 60 percent by weight of the glass or glass-ceramic collectively comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , and wherein the glass or glass-ceramic contains not more than 20 percent by weight SiO 2 and not more than 20 percent by weight B 2 O 3 , based on the total weight of the glass or glass-ceramic.
摘要翻译:本发明涉及一种制品,它包括玻璃或玻璃陶瓷中的至少一种,其包含Al 2 O 3和至少一种REO或Y 2 O 3,其中至少60%重量的玻璃或玻璃 - 陶瓷集体 包括Al 2 O 3和REO或Y 2 O 3中的至少一种,并且其中玻璃或玻璃陶瓷含有不超过20重量%的SiO 2和不超过20重量%的B 2 O 3, 基于玻璃或玻璃陶瓷的总重量。
摘要:
The invention relates to a layer structure that is formed between an interconnect and a cathode of a high-temperature fuel cell and that can be used to form a ceramic layer structure between an interconnect and a cathode. The interconnect is made of a metal alloy containing chromium. The aim of the invention is to provide a layer structure between an interconnect and a cathode of a high-temperature fuel cell, by means of which good protective function (against corrosion and against chromium evaporation), high electrical conductivity, and good thermal expansion behavior matched to the materials of an interconnect and of a cathode can be achieved. The layer structure is formed in the green state by a powdery spinel and at least one metal oxide from the group comprising CuO, NiO, CoO x , and MnO x as a sintering additive, and at least one powdery perovskite. Chromium is not contained in any of said chemical compounds. The fraction of contained spinel having the metal oxides as a sintering additive is reduced from the side facing the interconnect to the side facing the cathode, and the fraction of perovskite is reduced from the side facing the cathode to the side facing the interconnect.
摘要:
The invention relates to a granulated powder intended, in particular, for the production of ceramic sintered parts, said powder having the following chemical weight composition, based on dry matter, namely: a zirconia stabiliser selected from the group containing Y 2 O 3 , Sc 2 O 3 , MgO, CaO, CeO 2 , and mixtures thereof, the weight content of stabiliser, based on the total zirconia and stabiliser content, being between 2 % and 20 % and the MgO + CaO content being less than 5 % based on the total zirconia and stabiliser content; at least 1 % of a first binder having a glass transition temperature less than or equal to 25°C; 0 - 4 % of an additional binder having a glass transition temperature greater than 25°C; 5 - 50 % alumina; 0 - 2 % of an alumina sintering additive; 0 - 4 % of a temporary additive different from the first binder and the additional binder, the total content of the first binder, the additional binder and the temporary additive being less than 9 %; 0 - 6 % of an additional oxide selected from a manganese oxide, ZnO, La 2 O 3 , SrO, BaO and mixtures thereof; less than 2 % impurities; and ZrO 2 to make up 100%. According to the invention, the total lanthanum oxide content is less than 6 %, the median diameter D 50 of the powder is between 80 and 130 μm, the percentile D 99.5 is less than 500 μm and the relative density of the granules is between 30% and 60%.
摘要:
Die Erfindung betrifft Zusammensetzungen auf ZrO 2 -Basis, sowie ein- und mehrfarbige Rohlinge aus Oxidkeramiken, und ein Verfahren zu deren Herstellung, bei dem a) Oxidkeramik-Pulver mit einer farbgebenden Substanz beschichtet, b) die beschichteten Pulver vorzugsweise klassiert und mindestens ein gefärbtes Pulver in eine Pressform gefüllt, c) das oder die gefärbten Pulver zu einem Formkörper gepresst und d) der verpresste Formkörper zu einem Rohling gesintert wird, sowie die Verwendung dieser Rohlinge zur Herstellung von dentalen Restaurationen.
摘要:
The present invention provides an ITO amorphous transparent conductive film used in a display electrode for a flat panel display or the like, which can be produced without heating a substrate and without feeding water during the sputtering, while achieving both high etchability and lower resistivity at high levels. An oxide sintered compact containing indium oxide as a main component, while containing one or more elements selected from nickel, manganese, aluminum and germanium as a first additive element, with the total content of the first additive element being 2-12 atom % relative to the total content of indium and the first additive element.