An abrasive article includes a body having a bond material extending throughout the body and abrasive particles contained in the bond material. The bond material can include aluminum oxide (Al.sub.2O.sub.3) and lithium oxide (Li.sub.2O). In an embodiment, the bond material can include a ratio (Al.sub.2O.sub.3/Li.sub.2O) of a content of aluminum oxide (Al.sub.2O.sub.3) relative to a content of lithium oxide (Li.sub.2O), based on weight percent, of greater than 11.5 and at most 20. In another embodiment, the abrasive article can have a versatility factor of greater than 1.90.

An abrasive article includes a body having a bond material extending throughout the body and abrasive particles contained in the bond material. The bond material can include aluminum oxide (Al.sub.2O.sub.3) and lithium oxide (Li.sub.2O). In an embodiment, the bond material can include a ratio (Al.sub.2O.sub.3/Li.sub.2O) of a content of aluminum oxide (Al.sub.2O.sub.3) relative to a content of lithium oxide (Li.sub.2O), based on weight percent, of greater than 11.5 and at most 20. In another embodiment, the abrasive article can have a versatility factor of greater than 1.90.

A particulate filter having a porous ceramic honeycomb structure with a first end, a second end, and a plurality of walls having wall surfaces defining a plurality of inner channels. Filtration material deposits are disposed on one or more of the wall surfaces of the honeycomb body. The highly porous deposits provide durable high clean filtration efficiency with small impact on pressure drop through the filter.

A particulate filter having a porous ceramic honeycomb structure with a first end, a second end, and a plurality of walls having wall surfaces defining a plurality of inner channels. Filtration material deposits are disposed on one or more of the wall surfaces of the honeycomb body. The highly porous deposits provide durable high clean filtration efficiency with small impact on pressure drop through the filter.

A manufacturing method of a honeycomb structure including: a dry mixing step of dry-mixing raw materials to form the honeycomb structure by a batch treatment, a wet mixing step of adding a liquid including at least one selected from the group consisting of water, a surfactant, a lubricant and a plasticizer to a dry mixture obtained in the dry mixing step, to perform wet mixing, a kneading step of kneading a wet mixture obtained in the wet mixing step, and a forming step of extruding a forming material prepared in the kneading step, wherein in the dry mixing step, a used forming material passed through the forming step is added as a part of the raw material, to perform dry mixing, and the kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.

A manufacturing method of a honeycomb structure including: a dry mixing step of dry-mixing raw materials to form the honeycomb structure by a batch treatment, a wet mixing step of adding a liquid including at least one selected from the group consisting of water, a surfactant, a lubricant and a plasticizer to a dry mixture obtained in the dry mixing step, to perform wet mixing, a kneading step of kneading a wet mixture obtained in the wet mixing step, and a forming step of extruding a forming material prepared in the kneading step, wherein in the dry mixing step, a used forming material passed through the forming step is added as a part of the raw material, to perform dry mixing, and the kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.

An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix phase and gettering particles in the matrix phase. The gettering particles with an aspect ratio greater than one are aligned such that a maximum dimension of the gettering particles extends along an axis that is generally parallel to the substrate. The barrier layer includes a dispersion of diffusive particles in the matrix phase. A composite material and a method of applying a barrier layer to a substrate are also disclosed.

An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix phase and gettering particles in the matrix phase. The gettering particles with an aspect ratio greater than one are aligned such that a maximum dimension of the gettering particles extends along an axis that is generally parallel to the substrate. The barrier layer includes a dispersion of diffusive particles in the matrix phase. A composite material and a method of applying a barrier layer to a substrate are also disclosed.

A UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder, comprised of 30%-45% by weight resin, wherein the resin is at least one of 2-propenoic acid, homopolymer, isophthalic acid, 1,4-Dimethoxybenzene, saturated polyester resin, and maleic anhydride; 10%-20% by weight industrial ceramic inorganic nano-materials; 30%-45% by weight industrial ceramic inorganic abrasion-resistant powder; and styrene, wherein the styrene is less than 25% by weight of the UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder.

A UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder, comprised of 30%-45% by weight resin, wherein the resin is at least one of 2-propenoic acid, homopolymer, isophthalic acid, 1,4-Dimethoxybenzene, saturated polyester resin, and maleic anhydride; 10%-20% by weight industrial ceramic inorganic nano-materials; 30%-45% by weight industrial ceramic inorganic abrasion-resistant powder; and styrene, wherein the styrene is less than 25% by weight of the UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder.