Abstract: Method for manufacturing porous products consisting essentially of titanium suboxide(s) of general formula TiOx, the value of x being between 1.6 and 1.9, the method including a) mixing the raw materials including at least one source of titanium dioxide, a reducing agent comprising carbon, b) forming the product, c) optionally, in particular when organic products are used during step a), thermal treatment under air or an oxidizing atmosphere, d) sintering, for example at a temperature above 1150° C. but not exceeding 1430° C., under a neutral or reducing atmosphere, in which the source of titanium dioxide consists of at least 55 wt % of anatase.

Abstract: A cathode sputtering target is formed, on the one hand, from an oxide of at least one element chosen from the group of titanium, silicon and zirconium and, on the other hand, of particles of a metal included in the group formed by silver, gold, platinum, copper and nickel or particles of an alloy formed from at least two of these metals, the atomic ratio M/Me in the target being less than 1.5, M representing all of the atoms of the elements of the group of titanium, silicon and zirconium present in the layer and Me representing all of the atoms of the metals of the group formed by silver, gold, platinum, copper and nickel present in the layer.

Abstract: Method for manufacturing porous products consisting essentially of titanium suboxide(s) of general formula TiOx, the value of x being between 1.6 and 1.9, the method including a) mixing the raw materials including at least one source of titanium dioxide, a reducing agent comprising carbon, b) forming the product, c) optionally, in particular when organic products are used during step a), thermal treatment under air or an oxidizing atmosphere, d) sintering, for example at a temperature above 1150° C. but not exceeding 1430° C., under a neutral or reducing atmosphere, in which the source of titanium dioxide consists of at least 55 wt % of anatase.

Abstract: The present invention provides a fused product comprising LTM perovskite, L designating lanthanum, T being an element selected from strontium, calcium, magnesium, barium, yttrium, ytterbium, cerium, and mixtures of these elements, and M designating manganese.

Abstract: A fused product including lithium-manganese spinel, which is optionally doped, having a spinel structure AB2O4, where the site A is occupied by lithium and the site B is occupied by manganese, it being possible for the site B to be doped with an element B? and it being possible for the site A to exert a substoichiometry or a superstoichiometry with respect to the site B, so that the product observes the formula Li(1+x)Mn(2?y)B?yO4, with ?0.20?x?0.4 and 0?y?1, the element B? being chosen from aluminum, cobalt, nickel, chromium, iron, magnesium, titanium, vanadium, copper, zinc, gallium, calcium, niobium, yttrium, barium, silicon, boron, zirconium and their mixtures.

Abstract: 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%.

Abstract: The invention relates to a fused grit having the following chemical analysis, in wt %: ZrO2+HfO2: 38.0-46.0%; Al2O3: the remainder up to 100%; SiO2: 0.20-0.60%; Y2O3: 0.45 to 0.70%; TiO2: 1.00 to 2.00%; other oxides: <1.00%, the ratio of Y2O3/SiO2 being 0.80 to 2.00, and the tetragonal phase being 60 to 90% of the weight of the zirconia, the remainder being in monoclinic form.

Abstract: A coated grain is provided with a fused base grain at least partially covered with a coating that includes silica. The base grain includes more than 40% of alumina as a percentage by weight based on the weight of the base grain.

Abstract: The invention relates to molten grains having the following chemical composition in wt % in terms of oxides: Al2O3: balance to 100%; ZrO2+HfO2: 16-24%; MgO in an amount such that the weight ratio (ZrO2+HfO2)/MgO is between 25 and 65; other species: 0-2%. The grains can be used as abrasive grains.

Abstract: The present invention provides a powder constituted by a set of grains, characterized in that the 10 percentile of the cumulative granulometric distribution of the grain sizes, commencing from the fines, D10, is 4 ?m or more, at least 40% by number of the grains having a form factor R between the length and the width of more than 1.5.

Abstract: The present invention provides a fused product comprising LTM, perovskite, L designating lanthanum, T being an element selected from strontium, calcium, magnesium, barium, yttrium, ytterbium, cerium, and mixtures of these elements, and M designating manganese.

Abstract: A mixture of fused grains mainly comprising or composed of an oxide phase of pseudo-brookite type and comprising titanium, aluminum and magnesium, the fused grains having the following chemical composition, in weight percentages on the basis of the oxides: less than 55% of Al2O3; more than 30% and less than 70% of TiO2; more than 1% and less than 15% of MgO, the fused grains also corresponding to the following composition, in molar percentages and on the basis of the single oxides Al2O3, TiO2, MgO: 180?3t+a?220, a?50, m=100?a?t, in which: a is the molar percentage of Al2O3; t is the molar percentage of TiO2; m is the molar percentage of MgO. A ceramic product obtained from such fused grains.

Abstract: A fused product including lithium-manganese spinel, which is optionally doped, having a spinel structure AB2O4, where the site A is occupied by lithium and the site B is occupied by manganese, it being possible for the site B to be doped with an element B? and it being possible for the site A to exert a substoichiometry or a superstoichiometry with respect to the site B, so that the product observes the formula Li(1+x)Mn(2?y)B?yO4, with ?0.20?x?0.4 and 0?y?1, the element B? being chosen from aluminum, cobalt, nickel, chromium, iron, magnesium, titanium, vanadium, copper, zinc, gallium, calcium, niobium, yttrium, barium, silicon, boron, zirconium and their mixtures.

Abstract: The present invention relates to a powder of molten grains of yttria-stabilised 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%.

Abstract: The present invention relates to a fused ceramic particle having the following chemical composition, as weight percentages based on the oxides, and for a total of 100%: ZrO2+HfO2: balance to 100%; 5.0%<SiO2<32.0%; 2.0%<La2O3<15.0%; 2.5%<Y2O3<11.0%; 0.5%<Al2O3<8.0%; and less than 1.0% of other oxides. Use in particular as a grinding agent, an agent for dispersion in a wet medium, a supporting agent, a heat-exchange agent, or for the treatment of surfaces.

Abstract: A molten alumina/zirconia grain mixture having the following chemical composition, in wt %: ZrO2+HfO2: 35 to 45.5%; Al2O3: 43.7 to 65%; other oxides: <10%; SiO2: <0.8%, which simultaneously adheres to a granulometric condition and to a densimetric condition.

Abstract: Powdered grit comprising a fused cermet of zirconium oxide (ZrO2) doped with a dopant chosen from yttrium, scandium, and a mixture of scandium and of aluminium and/or of cerium, and of nickel (Ni) and/or of cobalt (Co), said cermet having a eutectic structure, the contents, in mol %, of zirconium oxide, nickel and cobalt being such that 0.250Ni+0.176Co?(ZrO2+dopant)?0.428Ni+0.333Co, and said powdered grit having a median diameter D50 of between 0.3 ?m and 100 ?m.

Abstract: The invention relates to a fused grit having the following chemical analysis, in wt %: ZrO2+HfO2: 38.0-46.0%; Al2O3: the remainder up to 100%; SiO2: 0.20-0.60%; Y2O3: 0.45 to 0.70%; TiO2: 1.00 to 2.00%; other oxides: <1.00%, the ratio of Y2O3/SiO2 being 0.80 to 2.00, and the tetragonal phase being 60 to 90% of the weight of the zirconia, the remainder being in monoclinic form.

Abstract: A molten cermet material including a molten cermet of cerium oxide CeO2, optionally doped, and nickel Ni and/or cobalt Co, the cermet having a eutectic structure, the cerium oxide, nickel, and cobalt contents being in mol %: 0.351 Ni+0.136 Co?(CeO2+dopant)?0.538 Ni+0.282 Co.

Abstract: A molten alumina/zirconia grain mixture having the following chemical composition, in wt %: ZrO2+HfO2: 35 to 45.5%; Al2O3: 43.7 to 65%; other oxides: <10%; SiO2: <0.8%, which simultaneously adheres to a granulometric condition and to a densimetric condition.