Patent
Multicellular monolithic ceramic body and preparation thereof
TLDR
In this paper, a multicellular monolithic ceramic body having many gas passages partitioned by thin walls is made of aluminum titanate as a major cnstituent and has less than 0.15% of a thermal expansion coefficient at 1000° C.Abstract:
A multicellular monolithic ceramic body having many gas passages partitioned by thin walls is made of aluminum titanate as a major cnstituent and has less than 0.15% of a thermal expansion coefficient at 1000° C. and higher than 350 kg./cm2 of a compressive strength as zero of an open frontal area as the properties in the direction along the gas passages and more than 35% of a porosity.read more
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Patent
Ceramic honeycomb structural body
Isao Hattori,Koichi Ikeshima +1 more
TL;DR: In this paper, a reinforcing portion is formed in each corner part of an open-ended cell existing in a second zone outside a first zone inclusive of a center on a plane perpendicular to the openended cells.
Patent
Diesel engine exhaust gas recirculation system for NOx control incorporating a compressed air regenerative particulate control system
TL;DR: In this article, a diesel engine exhaust gas recirculation system for control of NO x emissions is described. And the system includes a high efficiency ceramic monolith trap that is periodically regenerated by one or more pulses of high-pressure air that move in the opposite direction of the engine exhaust flow through the trap.
Patent
Aluminum titanate-mullite ceramic articles
TL;DR: In this paper, the authors proposed a method for the production of sintered ceramic articles with aluminum titanate and mullite phases and the microstructure thereof evidences grain boundary and intracrystalline microcracking.
Patent
Aluminum titanate ceramic forming batch mixtures and green bodies including pore former combinations and methods of manufacturing and firing same
Michael D. Brady,Thomas James Deneka,Steven B. Ogunwumi,Paul John Shustack,David L. Tennent,Patrick David Tepesch,Jianguo Wang,Christopher John Warren +7 more
TL;DR: In this paper, a method for producing a ceramic article involving mixing the inorganic batch materials with the pore former combination having first and second pore formers of different composition, adding an organic binder and a solvent, forming a green body; and firing the green body.
Patent
Narrow pore size distribution aluminum titanate body and method for making same
TL;DR: In this paper, an aluminum titanate body having a narrow pore size distribution is described, where the relation (d50-d10)/d50 being less than 0.50 corresponds to a high degree of interconnected porosity.
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Patent
Anisotropic cordierite monolith
TL;DR: An extruded, honeycombed, monolithic fired ceramic whose primary crystal phase is cordierite and whose microstructure is characterized by a greater than random orientation of the anisotropic Cordierite crystallites with their low expansion direction aligned substantially parallel to the plane of the webs of the monolith is described in this article.
Patent
Honeycombed structures having open-ended cells formed by interconnected walls with longitudinally extending discontinuities
TL;DR: The axial discontinuities which enhance the thermal shock resistance of the structures may be formed during extrusion by obstructing the flow of extrudable material through an extrusion die at predetermined locations as discussed by the authors.
Patent
Core member for catalytic oxidation converter
TL;DR: In this article, a core member for a catalytic oxidation converter for internal combustion engine exhaust gases is described, which consists of a cylindrical body of a refractory material preferably having planar ends or faces and a multitude of passages extending therethrough from one planar end or face thereof to the other parallel with the peripheral wall or longitudinal axis of the cylinear body, the passages cross-sectionally comprising a plurality of concentric patterns thereof with the cross-sectional area of the passages increasing progressively from a central one of the plurality of patterns of passages towards the
Patent
Method of making monolithic honeycombed structures
TL;DR: In this article, the authors propose a method of making an extruded, monolithic, honeycombed structure of ceramic or other sinterable material without delaminating, cracking or slumping.
Patent
Fired ceramic having dense and low thermal expansion characteristics
TL;DR: A fired ceramic having dense and low thermal expansion characteristics comprises 0.3 to 8 wt. % of at least one of rare earth oxides and has a thermal expansion coefficient of less than 0.