Abstract: A method of the present disclosure includes of repairing a core stiffened structure with structural foam. Another method includes splicing core members together using structural foam. Another method includes joining a core member to a structure using structural foam. Another method includes using structural foam to stabilize a core member during a machining process. Another method includes stabilizing a core member with structural foam to prevent the core member from crushing in autoclave pressure. The present disclosure further includes a core stiffened structure have a core member with structural foam therein.

Abstract: There is disclosed a porous material. The porous material contains aggregates, and a bonding material which bonds the aggregates to one another in a state where pores are formed among the aggregates, the bonding material contains crystalline cordierite, the bonding material further contains a rare earth element or a zirconium element, and a ratio of a mass of the bonding material to a total mass of the aggregates and the bonding material is from 12 to 45 mass %. The bonding material preferably contains, in the whole bonding material, 8.0 to 15.0 mass % of MgO, 30.0 to 60.0 mass % of Al2O3, 30.0 to 55.0 mass % of SiO2, and 1.5 to 10.0 mass % of a rare earth oxide or zirconium oxide.

Abstract: In one aspect, structural catalyst bodies comprising one or more gradients of catalytic material are provided herein. In some embodiments, a structural catalyst body described herein comprises an inner partition wall having a first surface and a second surface opposite the first surface, the inner partition wall having a gradient of catalytic material along the width of the inner partition wall.

Abstract: In one aspect, structural catalyst bodies comprising one or more gradients of catalytic material are provided herein. In some embodiments, a structural catalyst body described herein comprises an inner partition wall having a first surface and a second surface opposite the first surface, the inner partition wall having a gradient of catalytic material along the width of the inner partition wall.

Abstract: A cylindrical honeycomb structure 1 has a partition wall 3 forming A channels 5 and B channels 6. The A channels 5 are open at a first end surface 1a and closed at a second end surface 1b. The B channels 6 are closed at the first end surface 1a and open at the second end surface 1b. The B channels 6 include a first B channel 11 and a second B channel 13 extending substantially in parallel to each other. The A channels 5 include first A channels 10, which surround the first B channel at the first end surface, and second A channels 12, which surround the second B channel at the first end surface. The partition wall 3 has a first group partition wall 18, which separates adjacent channels of the first A channels 10 and the second A channels 12 from each other.

Abstract: A method for manufacturing a ceramic honeycomb structure includes kneading titania particles, alumina particles and a binder ingredient such that raw material paste including the titania particles, alumina particles and binder ingredient is prepared, forming a body made of the raw material paste and having a honeycomb structure such that the body has the honeycomb structure having through-holes extending in the longitudinal direction of the body and partitions formed between the through-holes, immersing each of end portions of the body in the longitudinal direction into a sealant slurry heated at a temperature in the range of from 50° C. to 100° C. such that the sealant slurry infiltrates into the through-holes at one of the end portions of the body and seals either end of each of the through-holes of the body, and sintering the body having the honeycomb structure such that a ceramic body having the honeycomb structure is formed.

Abstract: Geocells for moderate to low load applications are disclosed here. The geocells have a cell wall thickness of from 0.25 mm to 0.95 mm. They have a wall strength of from 3500 N/m to 15000 N/m.

Abstract: The invention pertains to a composite panel with a first cover layer, a second cover layer and a first core layer that is arranged between the first cover layer and the second cover layer and features a plurality of cells that are separated from one another by walls at least in certain areas, wherein the first cover layer features a draining layer. The inventive composite panel may be distinguished from a composite panel according to the state of the art in that a second core layer with a plurality of cells that are separated from one another by walls at least in certain areas is arranged between the first cover layer and the first core layer.

Abstract: Geocells for moderate to low load applications are disclosed here. The geocells have a cell wall thickness of from 0.25 mm to 0.95 mm. They have a wall strength of from 3500 N/m to 15000 N/m.

Abstract: A honeycomb filter includes a plurality of cells, porous cell walls, and an oxidation catalyst. The plurality of cells include exhaust gas introduction cells and exhaust gas emission cells. The oxidation catalyst is supported inside the porous cell walls in an amount of 5 to 60 g/L. The exhaust gas emission cells have an average cross sectional area larger than an average cross sectional area of the exhaust gas introduction cells in the cross section perpendicular to the longitudinal direction. A total volume of the exhaust gas introduction cells is larger than a total volume of the exhaust gas emission cells.

Abstract: Methods and apparatus provide for an inorganic substrate having at least one surface having a plurality of pores; zero valent nanoparticles deposited on the at least one surface and within at least some of the pores; and a stabilizer engaging the zero valent nanoparticles and operating to inhibit oxidation of the zero valent nanoparticles.

Abstract: A self supporting panel system used to fabricate ceilings, floors, walls, or roofs. The panel system is assembled from a plurality of panels, each having a core that is sandwiched between opposing plate members. In a preferred embodiment, the core of each panel includes a unifying material to enhance the load bearing capacity of the panel.

Abstract: A honeycomb structure has porous partition walls defining and forming a plurality of cells communicating between two end faces, and a circumferential wall formed integrally with the partition walls. The cells include partial cells positioned in an outermost circumferential portion of the honeycomb structure and being partially in contact with the circumferential wall, and normal cells other than the partial cells. As to the normal cells, a plugging portion is formed in one end portion of each normal cell, and as to the partial cells, in the partial cells in which the plugging portion to be formed in one end portion thereof, the plugging portion is not formed in at least a part of a partial cell in which an area ratio obtained by Equation (1) is smaller than 80%: the area ratio(%)=an area of the partial cell/an area of the normal cell×100??(1).

Abstract: A construction panel includes at least one honeycomb core which is laminated on both flat sides, the honeycomb core consisting of a thermoplastic and the construction panel itself being stress-free owing to stresses running in opposite directions in the laminations.

Abstract: A composition for a heat insulator, a heat insulator, and a spacecraft equipped with the heat insulator are provided which are able to satisfy a desired level of heat insulation performance while suppressing recession. The composition for a heat insulator comprises a fibrous substance, inorganic foam particles, a thermosetting resin and a foaming agent, wherein the fibrous substance includes at least a first fibrous substance, and a second fibrous substance composed of a material different from the first fibrous substance, the melting point of the first fibrous substance is higher than the melting point of the second fibrous substance, and the thermal conductivity of the second fibrous substance is lower than the thermal conductivity of the first fibrous substance.

Abstract: A catalyst unit may include a carrier that channels may be formed from a front surface thereof to a rear surface thereof, and plugs that closes the channels that may be formed along an edge portion of the front surface except a central portion of the front surface, wherein a coating layer may be not formed in the channels that the plugs may be disposed and a coating layer may be formed along the remaining opened channels.

Abstract: A honeycomb composite plate of plastic foam comprises at least a support body and a plastic surface sheet. The support body comprises at least a support core, which has a honeycomb structure and is formed of plastic foam. The plastic surface sheet is fixed to the support body and supported by it. Further, the support core and the plastic surface sheet are fixed together.

Abstract: There is disclosed a honeycomb structure constituted by honeycomb segments, where a honeycomb segment 2 has a first end and second end surfaces of a quadrangular shape; the second end surface having an area larger than that of the first one, a first pair of two side surfaces facing each other in parallel, and a second pair of two side surfaces facing each other make side surfaces become gradually narrow from the second end surface toward the first end surface, where a plurality of honeycomb segments are disposed in such a manner that the honeycomb segments are aligned to form rows in parallel in a predetermined direction, so as to make adjacent honeycomb segments directed opposite to each other in first end surfaces bonded to each other with one of side surfaces of the second pair of side surfaces.

Abstract: In each honeycomb segment, a first and a second end surfaces are rectangular shapes having the same dimension, and are in a positional relation in which extending directions of long sides of the respective end surfaces are perpendicular to each other, and (X?Y)/2 is from 0.2 to 7 mm, where X is a length of each long side of each of the first and the second end surfaces, and Y is a length of each short side of each of the first and the second end surfaces. The honeycomb segment has two pairs of tapered side surfaces each of which including two side surfaces facing each other so that a distance between side surfaces becomes narrow from the first end surface toward the second end surface end, respectively.

Abstract: A honeycomb structural body has cells surrounded by cell walls arranged in a lattice-like shape. A cross section is divided into a central section and an outer peripheral section. The outer peripheral section surrounds the central section through a boundary partition wall. The outer peripheral section is lower in a cell density than the central section. The cells contain imperfectly shaped cells in contact directly with the boundary partition wall. In the imperfectly shaped cells, first specific imperfectly shaped cells are smaller in opening area than second specific imperfectly shaped cells. Each first specific imperfectly shaped cells has an opening area of not more than a predetermined area S=(P?T)2/8. P and T indicate a cell pitch and a thickness of each cell wall, respectively. The opening section of the first specific imperfectly shaped cells is closed by the same raw material of the cell walls.

Abstract: A method for producing a ceramic honeycomb structure comprising a ceramic honeycomb body having large numbers of longitudinal cells partitioned by porous cell walls, and a peripheral wall formed on a peripheral surface of the ceramic honeycomb structure, comprising the steps of extruding a moldable ceramic material to form a honeycomb-structured ceramic green body; machining a peripheral portion of the green body or a sintered body obtained from the green body to remove part of cell walls in the peripheral portion, thereby obtaining the ceramic honeycomb body having longitudinal grooves on the peripheral surface; applying a coating material to the peripheral surface of the ceramic honeycomb body to form the peripheral wall, as well as to peripheral portions of both end surfaces of the ceramic honeycomb body; and inserting the coating material applied to the peripheral portions of both end surfaces into peripheral cells, with partially remaining on the peripheral portions.

Abstract: Disclosed are a structure for construction, which includes a hollow structure having a plurality of cells provided therein with hollows, arranged in a set three-dimension pattern, and partitioned by cell walls, and a cover enclosing the outside of the hollow structure, and a method of manufacturing the same. In this way, because the plurality of hollow cells of the hollow structure are partitioned by the cell walls and provided therein with the hollows, the overall weight can be reduced, and the rigidity and strength can be maintained at an adequate level despite the reduced weight. Also, due to the cells installed in the three-dimensional pattern, the growth of cracks or damage caused by impacts can be confined to local areas. Furthermore, since the weight is reduced, distribution and transportation costs can be reduced.

Abstract: The present disclosure describes use of filamentous algae to form insulating construction materials which provide thermal and noise insulation. Algae from the order Zygnematales, the Cladophorales, or the Ulotrichales can be dried and formed for use as insulating material. Algae mass can be combined into several layers, using a binder to attach the layers to each other. A composite material of algae mass and an additive can be used and form the body of insulation panels having honeycomb-shaped chambers, which are sealed by a foil that is laminated onto the body.

Abstract: A pad structure for absorbing vibration and dispersing pressure comprises: an absorbing and dispersing layer, at least one surface of which is a closed surface, at least one connecting hole is disposed on, the one end surface of the connecting hole is an opened surface and the other is a closed surface; at least one positioning member, which has an adhering surface connecting the positioning member into the connecting hole, the one end surface of the positioning member is urged by the connecting hole, adhering agent is coated on the adhering surface; a buffering layer, which has at least one connecting surface connecting with the surface, the adhering surface being on, of the absorbing and dispersing layer, the connecting surface and the adhering surface are tightly combined to fix the absorbing and dispersing layer; and a wrapping member, which covers on the absorbing and dispersing layer and the buffering layer.

Abstract: The invention relates to a method for manufacturing flat, single or double curved core composites 1, 23 with at least one folded honeycomb core 4, 19. Prior to applying the initially not yet hardened cover layers 2, 3, 13, 22 a curable and later removable core filler material 15, 16 is introduced into full-length drainage-enabling channels 5, 6 of the folded honeycomb core 4, 19 in order to prevent telegraphing of the cover layers 2, 3, 13, 22 into the channels 5, 6 of the folded honeycomb core when arranging and/or hardening the cover layers 2, 3, 13, 22 and to produce edge-free and polygon-free surfaces of the core composite 1, 23. The core composites 1, 23 made according to the method have optimum structural mechanical properties, an ideal surface quality from the aerodynamic and aesthetic point of view, whereby a direct reprocessing of the core composites 1, 23 is possible without the need for further time and cost-intensive as well as in some circumstances weight-increasing finishing steps.

Abstract: A Sandwich panel with a core structure, in particular with a honeycomb-shaped core structure, and plane-parallel cover layers applied to both sides of this core structure, to form a floor surface in a fuselage airframe of an aircraft, the core structure having at least one recess into which at least one reinforcing structure is integrated, wherein the at least one reinforcing structure is formed with at least one core, said core having at least one recess into which a stopper is introduced, into which at least one attachment element can be introduced to attach at least one further component to the sandwich panel, and a plurality of prepreg strips which each have a uniform fiber running direction being wound around the core. In addition, the invention relates to a method for the production of a sandwich panel according to the invention.

Abstract: A sealed honeycomb structure which can suppress increase of pressure loss and improve durability favorably is disclosed. A sealed honeycomb structure 100 including includes a honeycomb structure having porous walls dividedly forming inlet cells and outlet cells, an outlet side sealing portion, and an inlet side sealing portion, wherein an opening area of the inlet cell is larger than an opening area of an outlet cell on a cross-section of the honeycomb structure, wherein at least one outlet cell is a reinforced cell where a reinforcing part for reinforcing the outlet cell is formed at at least one corner portion at which the walls on a cross-section vertical to an extending direction of the cell cross each other, and wherein the inlet cell is a non-reinforced cell where the reinforcing part is not formed at all the corner portions at which the walls on the cross-section vertical to the extending direction of the cell cross each other.

Abstract: A method of forming a field joint for a subsea pipeline includes the steps of positioning an end of a first pipe adjacent to an end of a second pipe, welding the end of the first pipe to an end of the second pipe, and applying a coating material over an exterior surface of the first pipe, over the welding, and over an exterior surface of second pipe such that the coating material is in sealing relationship therewith. The coating material has air-filled glass spheres therein. A mold is placed over the adjacent pipe sections and the coating material is injected under pressure into the mold.

Abstract: A method of the present disclosure includes of repairing a core stiffened structure with structural foam. Another method includes splicing core members together using structural foam. Another method includes joining a core member to a structure using structural foam. Another method includes using structural foam to stabilize a core member during a machining process. Another method includes stabilizing a core member with structural foam to prevent the core member from crushing in autoclave pressure. The present disclosure further includes a core stiffened structure have a core member with structural foam therein.

Abstract: A method of the present disclosure includes of repairing a core stiffened structure with structural foam. Another method includes splicing core members together using structural foam. Another method includes joining a core member to a structure using structural foam. Another method includes using structural foam to stabilize a core member during a machining process. Another method includes stabilizing a core member with structural foam to prevent the core member from crushing in autoclave pressure. The present disclosure further includes a core stiffened structure have a core member with structural foam therein.

Abstract: A light weight printed wiring board that is particularly well suited for high-G and/or other weight sensitive applications is provided. In one illustrative embodiment, a light weight PWB is provided that includes a substrate having one or more layers extending generally parallel to a plane. To help reduce the weight of the PWB, the substrate may have or define one or more lighter weight regions. In some cases, the one or more lighter weight regions may consume greater than 25%, 30%, 40%, 50%, 60%, 75% or more of the overall volume of the substrate, and thus the weight of the substrate may be reduced by greater than 25%, 30%, 40%, 50%, 60%, 75% or more.

Abstract: A composite structure includes a first laminate and a second laminate. At least one core assembly is located between the first laminate and the second laminate. The at least one core assembly includes a core component and a layer of filler material disposed at a first face of the core component. The layer of filler material at least partially fills selected cells of the core component to a fill depth such that the filler material rigidizes when cured to prevent movement and/or crushing of core component under a pressure applied during a cure cycle of the composite structure.

Abstract: It is disclosed an appearance-modifying device (10), for modifying the visual appearance of a surface covered thereby. The appearance-modifying device (10) comprises two oppositely arranged substrates (11, 12), which are spaced apart by a spacer structure (13). The spacer structure (13) spaces apart the two substrates (11, 12) in such a way that a space between the two substrates (11, 12) is divided into a plurality of cells (15, 16), the shapes of the individual cells (15, 16) being such that an aperiodic cell pattern (14) is formed by the cells (15, 16). Each cell (15, 16) may comprise an optically transparent fluid having a plurality of particles dispersed therein. The particles are moveable in the fluid through application of an electric field. An appliance at least partly covered by the appearance-modifying device (10) is also disclosed. Furthermore, it is disclosed a method for manufacturing the appearance-modifying device.

Abstract: A honeycomb structure includes a ceramic block including honeycomb fired bodies. The honeycomb fired bodies include an assembly including a plurality of substantially quadrangular-cross-section units which are combined with one another with an adhesive layer interposed between the plurality of substantially quadrangular-cross-section units. A peripheral face of the assembly of substantially quadrangular-cross-section units has a concave portion and a convex portion formed in a substantially step-shaped pattern. At least one substantially triangular-cross-section unit has an outer wall on a periphery portion of the at least one substantially triangular-cross-section unit. The at least one substantially triangular-cross-section unit is fit in the concave portion with the adhesive layer interposed between the at least one substantially triangular-cross-section unit and the concave portion. A sealing material layer is provided on a peripheral face of the ceramic block.

Abstract: A porous ceramic (honeycomb) structure skin coating and a method of producing a porous ceramic structure skin coating which provides a hardshell, strong, acid- and alkali-resistant, chip-resistant ceramic honeycomb structure coating which resists pollution control catalyst from being absorbed into the skin coating.

Abstract: A composition for applying to a honeycomb body includes a refractory filler, an organic binder, an inorganic binder, and a liquid vehicle, wherein the refractory filler, the particle size distribution of the refractory filler, the organic binder, and the inorganic binder are selected such that, when the composition is applied to plug a plurality of channels of the honeycomb body, the plug depth variability is reduced.

Abstract: A composition for applying to a honeycomb body includes a refractory filler, an organic binder, an inorganic binder, and a liquid vehicle, wherein the refractory filler, the particle size distribution of the refractory filler, the organic binder, and the inorganic binder are selected such that, when the composition is applied to plug a plurality of channels of the honeycomb body, the plug depth variability is reduced.

Abstract: A three-dimensional preform, composite components formed with the preform, and processes for producing the preform and composite materials. The three-dimensional preform includes first and second sets of tows containing filaments. Each tow of the first set has a predetermined polygonal cross-sectional shape and is embedded within a temporary matrix. The preform is fabricated from the first and second sets of tows, in which the second set of tows are transverse to the first set of tows, adjacent tows of the second set are spaced apart to define interstitial regions therebetween, and the polygonal cross-sectional shapes of the first set of tows are substantially congruent to the cross-sectional shapes of the interstitial regions so as to substantially fill the interstitial regions.

Abstract: Provided is a composition for a lightweight heat-insulating material having high heat-insulating properties. The composition for a heat-insulating material contains a fibrous material, inorganic foamed particles, a thermosetting resin, and a foaming agent. Since the composition for a heat-insulating material contains the inorganic foamed particles and the foaming agent in addition to the fibrous material and the thermosetting resin, the weight can be reduced and the thermal conductivity can be lowered due to the inorganic foamed particles having low specific gravity. Further, the thermosetting resin is caused to foam by the foaming agent, and the weight can be reduced and the thermal conductivity can be lowered. A lightweight heat-insulating material having high-insulating properties can be obtained.

Abstract: A structured-core laminate panel can be made in an efficient, structurally sound manner without the use of adhesives (film or liquid forms) using materials with different melt or glass transition temperatures. In one implementation, a manufacturer positions one or more resin substrates about a structured core, which comprises a relatively high melt or glass transition temperature compared with that of the one or more resin substrates. The manufacturer heats the assembly to at least the glass transition temperature of the resin substrates, but not to the melt or glass transition temperature of the structured core. This allows the one or more resin substrates to melt and bond (mechanically, chemically, or both) to the structured core on one side (or inner surface), while maintaining a substantially planar or original conformation on an opposing side (or outer surface).

Abstract: Impact absorbing padding includes a unitary piece including a polymeric material commingled with a structural element. The polymeric material includes a material having a first temperature-responsive stiffness, and the structural element includes an element fabricated from a shape memory alloy formulated to have a second temperature-responsive stiffness that is converse to the first temperature-responsive stiffness.

Abstract: A method and apparatus for manufacturing a composite structure. A filler material with a barrier material for a channel in the filler material is formed. A composite material and the filler material with the barrier material are laid up onto a tool in a shape of the composite structure. The composite material and the filler material in the shape of the composite structure are cured.

Abstract: A luminescent product 100, a lamp and a light source are provided for converting light of a first color into light of a second color. The luminescent product 100 comprises a matrix polymer 108 and another material 106. The matrix polymer 108 comprises a luminescent material which converts light of a first color into light of a second color. The another material 106 is light transmitting. The luminescent product 100 is at least partially light transmitting and the matrix polymer has a three dimensional structure which has multiple surfaces being an interface between the matrix polymer and the another material to allow, in use, a light beam 104, which impinges on a side 102 of the luminescent product 100, to pass at least four times an interface between the matrix polymer 108 and the another material 106 before at least a part of the light beam 104 leaves the luminescent product 100 at another side 110 of the luminescent product 100.

Abstract: An article for use in manufacturing particle cassettes comprising one or more single pieces of membrane having a plurality of gas flow passages bonded thereto. The article allows convenient manufacture of particle cassettes. Two such articles may be employed to provide a finished particle cassette and a production line in which a plurality of gas flow passages are conveyed on a single membrane is disclosed.

Abstract: An interior trim panel (1) for a motor vehicle includes a carrier layer (2), a film (3) arranged on the carrier layer (2), and a metal layer (4) arranged on the film (3) and forming the outer side of the interior trim panel (1). The metal layer (4) has at least one opening (5). Part of the film (3) is located within the at least one opening (5) and forms the outer surface of the interior trim panel (1) in the area of the at least one opening (5).

Abstract: A method of restoring a section of a composite includes the steps of removing an undesirable section of a perforated composite and depositing a repair material in the location of the removed, undesirable section. The repair material is then cured. Before completing the curing step, one or more opening are formed through the repair material to produce one or more perforations through the repair material upon completing the curing step.

Abstract: A multi-layer material that provides blast and projectile impact protection is provided. The multi-layer material may include a hard metal layer, a composite layer, an air gap layer, and an innermost layer. An armor layer may also be provided that includes a polymeric honeycomb layer and a ceramic layer. In other aspects of the invention, a vehicle made from the multi-layer material is provided, and methods for making the multi-layer material are provided.

Abstract: An exhaust gas-purifying catalyst includes a substrate, and a catalytic layer supported by the substrate. The catalytic layer includes a support made of alumina, an oxygen storage material, an alkaline earth metal and/or a compound of alkaline-earth metal selectively supported by a surface of the support and dispersed on the surface of the support, and a precious metal supported by the surface of the support. A ratio of a number of moles of the alkaline-earth metal in the catalytic layer with respect to a volumetric capacity of the exhaust gas-purifying catalyst falls within a range of 0.0004 mol/L to 0.35 mol/L.

Abstract: A honeycomb structure including porous partition walls, a porosity of the partition walls is from 45 to 70%, and when pores having the maximum width in excess of 10 ?m in a cross section of each of the partition walls are large pores and the partition wall is equally divided into three regions of a center region and surface layer regions present on both sides of the center region, a total area of cross sections of the large pores which appear in the surface layer regions is from 60 to 100% of a total area of cross sections of all the pores which appear in the surface layer regions, and a total area of cross sections of the large pores which appear in the center region is from 0 to 40% of the total area of cross sections of all the pores which appear in the center region.

Abstract: The present invention is directed to a new manufacturing process for a FRP honeycomb structure where the honeycomb core assembly is arranged parallel to the surface. The honeycomb core is made from FRP prepreg with double structural walls and is manufactured by stiffening using heat and pressure. In a honeycomb core assembly set tank, a plurality of internal tanks are gathered in honeycomb core assembly. An internal tank FRP wall maintains the pressure of the internal tank, while an external FRP wall, heat foamed plastic resin and rigid FRP hull of set tank endure the external shock loading. A honeycomb core structure of six-corner cell can be infinitely arranged, and its structural position is unique. A set tank in which a plurality of internal tanks are gathered into a honeycomb core assembly can be arranged in infinite combinations, such that the total capacity can be extremely large.