Abstract: A high-energy density beam welding process for two panels includes a step that include placing a metal band on the upper face of at least one panel, in the axis of the desired welded joint before welding the panels, so that the metal band is inserted between the panels and the high-energy density beam during the welding step, and so that the thickness of this metal band integrates all of the geometric faults present on the surface of the welded joint.

Abstract: A housing component of a handheld electronic device, the housing component comprising a cellular material which has a density of from 0.02 to 0.6 g/cc and a Young's modulus of from 32 to 5500 Mpa, the cellular material being three-dimensionally shaped to form a substantially resilient body. There is also disclosed a method of manufacturing a housing component of a handheld electronic device, the method comprising the steps of: a. providing a cellular material; and b. three-dimensionally shaping the cellular material to form a substantially resilient body in the form of a housing component of a handheld electronic device.

Abstract: Structural panel unit (10) comprising a first plate (11) and continuous web members (13, 14) extending along intersecting directions so as to support the plate (11), the web members (13, 14) being each slotted (141, 131) partway through at their intersections so that they fit into one another, the web members comprising first web members (13) and second web members (14), wherein the first web members (13) are so disposed as to have slots (131) open towards the first plate (11) in which slots (131) fit the second web members (14), wherein the first web members (13) are united to the first plate (11) thereby interlocking the second web members (14), and wherein the second web members (14) are linked to the first plate (11) by no other means than by interlocking with the first members (13).

Abstract: A sandwich structure is provided that includes a core formed of profiled metal sheet material and a metal face sheet secured to at least one side of the core. Protrusions are provided in a pattern on at least one side of the core and apertures are provided in a pattern in each face sheet. Dimensions of the protrusions and apertures are such that the protrusions extend at least partially through the apertures of the associated face sheet and are secured thereto. A method for producing such a sandwich structure is also provided.

Abstract: A MCrAlY alloy, methods to produce a MCrAlY layer and a honeycomb seal are provided. The MCrAlY alloy includes chromium, aluminum, yttrium and iron and optionally titanium, hafnium or silicon. The honeycomb seal includes a substrate, honeycomb cells and a protective coating on side walls of the honeycomb cells or a diffusion area inside side walls of the honeycomb cells, the protective coating or the diffusion area including the MCrAlY alloy.

Abstract: An acoustic-attenuating wall panel for a nacelle of a turbine engine may include a radiused portion. The radiused portion may include an airflow surface having a concave configuration and which may be exposed to an airflow passing through the nacelle. The radiused portion may include an acoustic attenuating section.

Abstract: Provided in the present invention is a bonded tungsten carbide-based super hard alloy assembly equipped with a first metal member having a first bonding surface and comprised of a steel material containing a martensite structure and a second metal member having a second bonding surface directly bonded to the first bonding surface of the first metal member and comprised of a tungsten carbide-based super hard alloy. The martensite structure-containing steel material which constitutes the first metal member is a stainless steel having an average carbon concentration of from 0.10 to 0.40 mass %. The first metal member has a high carbon concentration region at a depth ranging from 0.70 to 3.00 mm from the first bonding surface. The high carbon concentration region has a maximum carbon concentration of from 0.3 to 1.2 mass %. The bonded tungsten carbide-based super hard alloy assembly has both high bonding strength and excellent mechanical strength.

Abstract: A shear layer for a shear band that is used in a tire is provided that has multiple cells or units having an auxetic configuration and that are constructed from aluminum or titanium alloys. The cells may have an angle of ?10°.

Abstract: A spacer profile adapted to be used in a spacer frame of an insulating glass unit includes a hollow profile body made of a first synthetic material and a chamber for accommodating hydroscopic material, the hollow profile body having an inner wall that is, in an assembled state of the insulating glass unit, directed to the intervening space between panes of the insulating glass unit, an outer wall on the opposite side of the inner wall, a first side wall and a second side wall on the opposite side to the first side wall, the walls being connected to form the chamber, and a diffusion barrier portion made of a second synthetic material with sheet silicates and being formed as at least a part of the outer wall.

Abstract: A micro-scaled bi-material lattice structure includes a frame comprising a first material having a first coefficient of expansion and defining a plurality of unit cells. The bi-material lattice structure further includes a plurality of plates comprising a second material having a second coefficient of expansion different from the first coefficient of expansion. One of the plates is connected to each unit cell. The bi-material lattice structure has a third coefficient of expansion different from both the first coefficient of the expansion and the second coefficient of expansion, and the bi-material lattice structure has a thickness of about 100 nm to about 3000 microns.

Abstract: A method for producing a channel arrangement, a channel arrangement, a metal profile and use of a channel arrangement. The method includes arranging a first metal profile towards a second metal profile. The first profile includes elongated trench-like portions mutually separated by flat portions. The first profile is joined to the second profile so that channels between the first profile and the second profile are defined. The channels are separated by flat regions. In the arranging, at least one of the profiles is a profile including an incipient cut to be located in at least one of the flat regions. Material is removed from the at least one flat region so that the thickness of a part of the at least one flat region becomes less than the sum of the thicknesses of the profiles.

Abstract: A honeycomb structure and a method of forming an iron based glass forming honeycomb structure. The honeycomb structure may include at least two sheets, each having a thickness in the range of 0.01 mm to 0.15 mm, formed from an iron based glass forming alloy comprising 40 to 68 atomic percent iron, 13 to 17 atomic percent nickel, 2 to 21 atomic percent cobalt, 12 to 19 atomic percent boron, optionally 0.1 to 6 atomic percent carbon, optionally 0.3 to 4 atomic percent silicon, optionally 1 to 20 percent chromium. The sheets may be stacked, bonded together and formed into a honeycomb. The honeycomb structure may include a plurality of cells.

Abstract: A thermoelectric generator has a hot side heat exchanger having a silicon carbide (SiC) honeycomb support with a plurality of passages. The passage walls are coated with a pyrophoric solid fuel such as red oxide (Fe2O3) in combination with a silicon (Si) binder. A quantum well thermoelectric device is positioned between the hot side heat exchanger and heat sink. The performance of the thermoelectric generator is comparable to fuel cells. The thermoelectric generator is small and portable.

Abstract: A method for the production of a converter-carrier body having a metallic honeycomb body made of a plurality of metal layers, especially smooth layers and corrugated layers, the layers having layer ends, such that an outer shape of the honeycomb body is formed by the layer ends. At least one stack is produced having several alternately disposed metal layers that are structured such that channels are formed for a fluid to flow through. The at least one stack is transformed into a honeycomb body having a cylindrical form. The honeycomb body is deformed from the cylindrical form so that an outer shape that deviates from the cylindrical form is produced. Additionally, the invention relates to a corresponding converter-carrier body and a tool for the production thereof.

Abstract: Disclosed are high-porosity cordierite honeycomb substrates having fine pore size, narrow pore size distribution, little or no microcracking, and a high thermal shock resistance. The porous ceramic honeycomb substrates generally include a primary cordierite ceramic phase as defined herein. Also disclosed are methods for making and using the cordierite substrates.

Abstract: Processes are provided for making partially coated monolith catalysts that are useful, for example, as pre-combustor catalysts for diesel exhaust aftertreatment. Monolith substrates are provided with interconnectivity and/or temporary barriers that allow from about 10 to about 90% of the monolith channels to be coated after the monolith substrate is assembled without having to carefully pick out among a large number of openings which ones to inject into or which ones to plug. The invention includes options of injecting into a multipath monolith substrate and of emplacing blocking material during monolith construction. Either catalyst coating material or coat-blocking material can be injected. Blocking materials allow the use of machinery for ordinarily non-selective processes, such as machinery for dip coating. Both multipath injections and pre-placed barriers can be used in a single partial coating process.

Abstract: Metal cellular panel (8) constituting a semifinished product formed by various corrugated plate half shells (1, 1?) wherein all the contact points between the half shells (1, 1?) are welded or riveted, and preferably the axial height (b) of the cells of the panel (panel thickness) does not exceed the maximum diameter of the cells. The panel production process ensures maximum flexibility, since it is adaptable to various cell shapes, various pitches between the cells, and various cell heights (h) (measured in the plane of the panel).

Abstract: A process for producing a fleece having metallic wire filaments, includes at least the following steps: a) forming a layer including wire filaments; b) producing first cohesive connections between at least some of the metallic wire filaments in a first joining process; and c) producing second cohesive connections between metallic wire filaments in a second joining process. A process for producing a honeycomb body having at least one fleece, a fleece, a honeycomb body, an apparatus and a vehicle using fleeces in the treatment of exhaust gas from motor vehicles, are also provided.

Abstract: A honeycomb core includes a first wall, a second wall, and a conductor disposed between the first wall and the second wall. The first wall and the second wall define a cell through which the conductor extends. A sandwich panel includes an upper skin, a lower skin, and a honeycomb core adhesively bonded to the upper skin and the lower skin. The honeycomb core includes a first wall and a second wall defining a cell. The sandwich panel further includes a conductor disposed between the first wall and the second wall and extending through the cell.

Abstract: Systems and methods for joining BMG Composites are disclosed. Specifically, the joining of BMG Composites is implemented so as to preserve the amorphicity of their matrix phase and the microstructure of their particulate phase. Implementation of the joining method with respect to the construction of modular cellular structures that comprise BMG Composites is also discussed.

Abstract: A sheet-metal layer includes anti-diffusion structures made of a high-temperature-corrosion-resistant steel having a longitudinal direction, upper and lower surfaces, a thickness of 0.015 to 0.1 mm and discontinuous microstructures extending approximately in the longitudinal direction. The microstructures have a structure height (0.02 to 0.1 mm), a structure length (2 to 10 mm), a structure width (0.2 to 1 mm), a longitudinal spacing (greater than 2 mm), formed by interruptions, from the nearest microstructure aligned approximately in the longitudinal direction and a lateral distance (1 to 10 mm) from the nearest laterally adjacent microstructure. Some of the microstructures project out of the sheet-metal layer toward the upper surface and some toward the lower surface.

Abstract: There is provided a method for manufacturing a grain-oriented electromagnetic steel sheet whose iron losses are reduced by laser beam irradiation, capable of improving the iron losses in both the L-direction and the C-direction while easily ensuring high productivity. The method for manufacturing a grain-oriented electromagnetic steel sheet reduces iron losses by scanning and irradiating a grain-oriented electromagnetic steel sheet with a continuous-wave laser beam condensed into a circular or elliptical shape at constant intervals in a direction substantially perpendicular to a rolling direction of the grain-oriented electromagnetic steel sheet, wherein when an average irradiation energy density Ua is defined as Ua=P/(Vc×PL) (mJ/mm2), where P (W) is average power of the laser beam, Vc (m/s) is a beam scanning velocity, and PL (mm) is an irradiation interval in a rolling direction, PL and Ua are in the following ranges: 1.0 mm?PL?3.0 mm, 0.8 mJ/mm2?Ua?2.0 mJ/mm2.

Abstract: A continuous segment of metallic glass material having a thickness substantially less than a width is disclosed. The continuous strip is bent into a repeating pattern of a teardrop shape providing an outer radius and an inner point defined by two adjacent radii.

Abstract: Multilayer armor includes an outside armor layer, a first armor layer underneath the outside armor layer, a second armor layer underneath the first armor layer, and a truss layer underneath the second armor layer. In another variation, the multilayer armor includes an outside armor layer, a composite layer underneath the outside armor layer that comprises a plurality of spheres, a second armor layer underneath the composite layer to provide a rigid support to the composite layer, and a third armor layer underneath the second armor layer. The second layer may comprise a composite material that includes a plurality of tightly nested layers in a self-assembling arrangement of spheres made of a high hardness material bonded together using a matrix.

Abstract: A honeycomb body includes a housing and a honeycomb structure with a plurality of channels. The honeycomb structure is formed by at least one at least partially structured metallic layer which forms connecting points that fix the honeycomb structure in place. A cross section of the honeycomb structure has radial zones with the connecting points. At least 1% and no more than 20% of inner contact points of the at least one at least partially structured metallic layer in the cross section form a connecting point in at least one zone. The connecting points have lengths in a structure direction being different in at least two radial zones.

Abstract: Multi-layered cellular metallic glass structures and methods of preparing the same are provided. In one embodiment, the cellular metallic glass structure includes at least one patterned metallic glass sheet and at least one additional sheet. The at least one patterned metallic glass sheet may include multiple sheets connected together to form a group of sheets, and the structure may include a group of sheets sandwiched between two outer sheets. The patterned metallic glass sheets may be patterned by thermoplastically forming two- and/or three-dimensional patterns in the metallic glass sheets.

Abstract: A planar two material structure comprising a first material having a coefficient of thermal expansion greater than zero and a second material having a second coefficient of thermal expansion greater than zero. The two materials structurally combined in a plurality of repetitive for or six sided unit cells having a combined coefficient of thermal expansion less than the coefficient of thermal expansion of either material alone.

Abstract: A sheet-metal layer includes anti-diffusion structures made of a high-temperature-corrosion-resistant steel having a longitudinal direction, upper and lower surfaces, a thickness of 0.015 to 0.1 mm and discontinuous microstructures extending approximately in the longitudinal direction. The microstructures have a structure height (0.02 to 0.1 mm), a structure length (2 to 10 mm), a structure width (0.2 to 1 mm), a longitudinal spacing (greater than 2 mm), formed by interruptions, from the nearest microstructure aligned approximately in the longitudinal direction and a lateral distance (1 to 10 mm) from the nearest laterally adjacent microstructure. Some of the microstructures project out of the sheet-metal layer toward the upper surface and some toward the lower surface.

Abstract: A heat-absorbing structural material has a sealed outside shell or container, and an internal structure in the interior space enclosed by the container. In addition the structural material has a phase-change material in the interior space, interspersed between elements of the internal structure. The internal structure provides increased strength to the structural material, allowing it to better withstand external forces placed on it. The phase change material may change from a solid to a liquid during operation of the structural material as a heat absorber, such as a heat sink. The internal structure may be made as an integral part of the structural material, formed with at least part of the container by a three-dimensional printing process, or by casting. The phase change material, such as a suitable wax, may improve heat-absorbing performance of the structural material by changing phase during heating.

Abstract: A producing method of a grain-oriented electrical steel sheet includes forming a preferentially-deformable portion at an end region of a steel sheet so as to be parallel with the rolling direction of the steel sheet; coiling the steel sheet; and performing a final annealing to the steel sheet after disposing the steel sheet in a manner such that the end region becomes the lower side of the steel sheet.

Abstract: A foil for producing a metal honeycomb or catalyst carrier body, has an average surface roughness of more than 0.3 ?m (micrometers) on both surfaces in at least one measurement direction. Preferably, the foil is rolled and has an average surface roughness of more than 0.3 or 0.5 ?m, especially approximately 0.6 ?m, in the rolling direction and/or transverse thereto. The foil can have an oxide coating with a thickness between 60 and 80 or between 70 and 75 nm (nanometers) on both surfaces. Despite the roughness, an even thickness of the oxide coating with a tolerance of less than 10% or 5% is advantageous on both surfaces. The foil allows production of durable honeycomb bodies, especially for exhaust systems of internal combustion engines, requiring an exactly defined distribution and quality of compounds in the interior thereof. A honeycomb body and method of production using a foil, are also provided.

Abstract: A method of making steel fibers, preferably for use as a concrete additive, and for the supply thereof in making steel fiber concrete, characterized in that to form the steel fibers (2) first a sheet-metal strip (1) is notched either on one face or both faces so as to form steel-fiber wires (4) that are initially connected together by webs (5), and that further, for subsequently converting the webs (5) into thin easily mutually separable separation webs forming separation surfaces that are fracture-rough and low in burring upon separation, the steel-fiber strip is subjected to a flexing process in which each web (5) is subjected to multiple bending deformations about its longitudinal axis in such a way that incipient cracks are produced at the webs (5) due to fatigue fracture and thus the separation webs are produced.

Abstract: A composite coating on metal strips or prestamped metal strips with an improved friction coefficient and/or good contact resistance and/or good friction corrosion resistance and/or good wear resistance and/or good formability includes carbon nanotubes and/or fullerenes and a metal. A method for producing a metal strip coated according to the invention with carbon nanotubes and/or fullerenes and a metal is also disclosed.

Abstract: A method and system of repairing an engine part having a cracked metal skin bonded to a honeycomb core includes removing a portion of the honeycomb that corresponds to a cracked portion of the metal skin. A crack in the metal skin originates from an edge of the engine part. A portion of the honeycomb is removed to form a slot in the honeycomb beginning at the edge of the part. A doubler is inserted into the slot in the honeycomb and is attached to an underside of the metal skin to form a lap joint between the doubler and the metal skin. In one embodiment, the portion of the metal skin that includes the crack remains. In an alternative embodiment, the cracked portion of the metal skin is removed and a metal patch is attached to the doubler such that the patch replaces the removed metal skin.

Abstract: A metal sheet having a microstructure, a carrier body having a plurality of sheets, and an exhaust system having the carrier body, are distinguished by a particularly long useful life in an automobile. Moreover, it is possible to bring about flow profiles coordinated exactly with the respective fields of use, so that a particularly efficient or extremely adaptable carrier body for purifying the exhaust gas of automobiles is provided.

Abstract: A honeycomb body includes at least a housing and a honeycomb structure with a multiplicity of channels. The honeycomb structure includes at least one at least partially structured metallic layer forming connecting points which fix the honeycomb structure. A cross section of the honeycomb structure has radial zones with connecting points. At least 1% and at most 20% of inner contact points of the at least one at least partially structured metallic layer in at least one of the zones forms a connecting point in the cross section. The channels have a different channel cross section in at least two of the radial zones. A motor vehicle having the honeycomb body is also provided.

Abstract: In a metal honeycomb-shaped catalyzer carrier 11, a corrugated portion 24 is formed on one side 33 in the longitudinal direction of a metallic thin belt plate 23. A plurality of belt plates 23, . . . are alternately stacked such that a flat plate portion 35 on the other side 34 of another belt plate 23 is superimposed on the corrugated portion 24, and are wound from their central flat portion 25 in the longitudinal direction thereby to form a wound honeycomb-shaped carrier body 12. The wound honeycomb carrier body 12 is fit in a hollow cylindrical member 13. The central flat portion 25 of the belt plate is wound so as to form a central cylindrical portion 17 having diameter of D, and length of the central flat portion in the longitudinal is at least 4.14 D.

Abstract: A honeycomb body includes at least a housing and a honeycomb structure having a plurality of channels. The honeycomb structure is formed of at least one at least partially structured metallic layer that forms connecting points fixing the honeycomb structure. At most 20% of inner contact points in a cross section of the honeycomb structure form a connection point, and the connection points are disposed at a distance from each other in such a way that respective connection-free regions of the same size surround each of the connection points. An exhaust-gas purification unit and a motor vehicle are also provided.

Abstract: The present invention relates to a magnesium alloy honeycomb board and a production process thereof. The magnesium alloy honeycomb board is formed through the glue-jointing of an upper panel, a lower panel and a honeycomb core structure, and is characterized in that: both the upper and lower panels are made of magnesium alloy sheets with a thickness of 0.6 to 3.5 mm, and the honeycomb core structure is made of magnesium alloy foil with a thickness of 0.08 to 0.25 mm; the thickness of the honeycomb board is within 8 to 45 mm, the thickness of the honeycomb core structure is within 6 to 38 mm, the height of the hexagonal honeycomb aperture is within 5 to 15 mm, and the fillet radius is within 0.4 to 1.2 mm.

Abstract: The present invention relates to an exhaust gas cleaning catalyst comprising on a honeycomb carrier a catalytic coating. Said honeycomb carrier has an upstream end and a downstream end and a plurality of flow channels are running from the upstream end to the downstream end. The catalytic coating comprises catalytically active precious metal components of which at least one component exhibits a concentration profile along the honeycomb carrier starting with a low concentration at the upstream end which increases along the flow channels up to a maximum value and then decreases again to the downstream end.

Abstract: A honeycomb body is formed of at least one at least partially structured sheet-metal foil and has a plurality of channels. The sheet-metal foil has a course or profile direction and includes top-side connecting points and bottom-side connecting points to itself or to at least one additional smooth sheet-metal foil or structured sheet-metal foil. At least the top-side connecting points or bottom-side connecting points form a curved connection line and expansion joints between the respective connection points of the curved connection line. An exhaust-gas treatment unit and a motor vehicle are also provided.

Abstract: A method for managing the use of flow-through monolithic sorbents for the sorption of a trace contaminant from a fluid stream, which comprises: providing two or more flow-through monolithic sorbents having a trace contaminant sorbed thereon, wherein the flow-through monolithic sorbents are positioned in an initial series to allow for passing a fluid stream from an upstream inlet end of the series to a downstream outlet end of the series; removing an inlet end portion of the flow-through monolithic sorbents from the inlet end position of the series; moving a downstream portion of the flow-through monolithic sorbents from a downstream position in the series to the inlet end position of the series; and placing a replacement flow-through monolithic sorbent portion in a downstream position of the series.

Abstract: This invention discloses a method, using pure niobium as a transient liquid reactive braze material, for fabrication of cellular or honeycomb structures, wire space-frames or other sparse builtup structures or discrete articles using Nitinol (near-equiatomic titanium-nickel alloy) and related shape-memory and superelastic alloys. Nitinol shape memory alloys (SMAs), acquired in a form such as corrugated sheet, discrete tubes or wires, may be joined together using the newly discovered joining technique. Pure niobium when brought into contact with nitinol at elevated temperature, liquefies at temperatures below the melting point and flows readily into capillary spaces between the elements to be joined, thus forming a strong joint.

Abstract: Compositions and methods for making a three dimensional structure comprising: designing a three-dimensional structure; melting the three-dimensional structure from two or more layers of a metal powder with a high energy electron or laser beam is described herein. The position where the metal is melted into the structure is formed along a layer of metal powder, wherein the location and intensity of the beam that strikes the metal layer is based on the three-dimensional structure and is controlled and directed by a processor. The instant invention comprises a novel dry state sonication step for removing metal powder that is not melted from the three dimensional structure.

Abstract: Metal cellular panel (8) constituting a semifinished product formed by various corrugated plate half shells (1, 1?) wherein all the contact points between the half shells (1, 1?) are welded or riveted, and preferably the axial height (b) of the cells of the panel (panel thickness) does not exceed the maximum diameter of the cells. The panel production process ensures maximum flexibility, since it is adaptable to various cell shapes, various pitches between the cells, and various cell heights (h) (measured in the plane of the panel).

Abstract: An autogenously welded structure is provided that includes a first face sheet, a plurality of individual stiffener elements, and a second face sheet. The stiffener elements each have a first edge disposed against the first face sheet and an opposed second edge. Each stiffener element has a central portion extending between the opposed edges. The central portion is disposed at an angle to the first face sheet. The stiffener elements include at least some stiffener elements that are disposed at an angle to at least some of the other stiffener elements. The second face sheet is disposed against the second edges of the stiffener elements and the first and second face sheets are autogenously welded to the edges of the stiffener elements.

Abstract: A panel for a storage container, such as a trailer, for example, includes a first, generally planar layer and a second layer coupled to the first layer. The second layer is configured to define a plurality of channels therein.

Abstract: A foil for producing a metal honeycomb or catalyst carrier body, has an average surface roughness of more than 0.3 ?m (micrometers) on both surfaces in at least one measurement direction. Preferably, the foil is rolled and has an average surface roughness of more than 0.3 or 0.5 ?m, especially approximately 0.6 ?m, in the rolling direction and/or transverse thereto. The foil can have an oxide coating with a thickness between 60 and 80 or between 70 and 75 nm (nanometers) on both surfaces. Despite the roughness, an even thickness of the oxide coating with a tolerance of less than 10% or 5% is advantageous on both surfaces. The foil allows production of durable honeycomb bodies, especially for exhaust systems of internal combustion engines, requiring an exactly defined distribution and quality of compounds in the interior thereof. A honeycomb body and method of production using a foil, are also provided.

Abstract: A method and apparatus for producing a sandwich structure that is lightweight and many times stiffer than regular sheet metal, and which is easily formable into curved structures as well as structures having compound curves. In one embodiment, a formed core includes a plurality of cells comprising alternating front and rear projections extending outwardly in front of and behind a median plane, with each projection having a bonding surface area or land configured to be bonded with corresponding external sheets on both sides of the formed core. A plurality of micro-abrasions or indentations are formed on the bonding lands, allowing stronger bonding joints to be formed between the core and the external sheets by facilitating improved capillary action by the core during the bonding process.

Abstract: Disclosed is a honeycomb ceramic article that exhibits a primary crystalline phase of cordierite having a coefficient of thermal expansion (CTE), wherein CTE<1.5×10?7/° C. over the temperature range of about 25° C. to about 800° C.; a total porosity, P, of at least 28%, a transverse I-ratio, IT, of less than 0.92; and a pore size distribution wherein at least 60% of the total pore volume is comprised of pores having diameters between 0.5 ?m and 5.0 ?m. Also provided is a ceramic honeycomb article comprising a phase of cordierite and exhibiting a mean CTE <1.0×10?7/° C. (from 25 to 800° C.) in at least one direction, and 28%?P?33%. Methods of manufacturing ceramic articles comprising the aforementioned cordierite compositions are also disclosed.