There is disclosed a plugged honeycomb structure. A plugged honeycomb structure includes a honeycomb structure body of a segment structure and plugging portions disposed in open ends of cells formed in the honeycomb structure body, the honeycomb structure body has outer segments and inner segments disposed on an inner side than the outer segments in a cross section of the honeycomb structure body, and a material constituting the outer segments has a smaller heat capacity per unit volume than a material constituting the inner segments.

Provided is a porous plate-shaped filler that can be used as a material for a heat-insulation film having excellent heat insulation performance. In a porous plate-shaped filler 1 having a plate shape, an aspect ratio is 3 or higher, a minimum length is 0.5 to 50 m, and an overall porosity is 20 to 90%, and the porosity is lower in the circumferential part than in the center part. When this porous plate-shaped filler 1 of the present invention is contained in a heat-insulation film, the infiltration of a matrix into the filler is reduced, and thus the thermal conductivity can be lowered. Therefore, even a thin heat-insulation film can have a greater heat-insulation effect than before.

The present invention relates to fiber cement decking products, which comprise at least one or more pigments and which are at least partly coloured in the mass. The present invention further relates to methods for the production of such fiber cement decking products as well as uses of such fiber cement decking products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for decking applications.

The present invention relates to fiber cement products comprising an inner core material, which inner core material is covered by at least one outer surface layer, characterized in that:said inner core material has a density of between about 0.4 and about 0.9 g/cm.sup.3 inclusive, and at least comprises cement and between 1 wt % and 70 wt % (with respect to the total dry weight of said inner core material) of a lightweight filler, andsaid at least one outer surface layer has a density of between about 0.9 and about 1.4 g/cm.sup.3 inclusive, and at least comprises fibers and cement.

A blade outer air seal includes a center web having a radially inner face and a radially outer face, at least one mounting arm extending from the radially outer face, and a coating disposed on the radially inner face. The coating includes an environmental barrier coating layer and an abradable layer disposed on the environmental barrier layer. The abradable layer has a Mohs hardness of 3.5 to 7.5 and the porosity of the abradable layer is chosen in view of the Mohs hardness, which significantly improves the durability of the abradable layer. A gas turbine engine and a method of protecting a blade outer air seal are also disclosed.

A method for improving the air and/or water barrier performance of a building panel is disclosed. The building panel may be a gypsum board or cement board. In particular, the board may have improved resistance to bulk water penetration or permeation while maintaining breathability with respect to water vapor.

A method for manufacturing an item (1) comprising a through-decoration (2) forming a so-called backlit plique--jour enamel, the method including obtaining a blank (5); removing part of the blank (5) from the inner face (5b) of the blank (5) to produce a decoration (2a) that does not pass through to the outer face (5a); depositing, from the inner face (5b), one or more layers of enamel (3) within the non-through decoration (2a); depositing, from the inner face (5b), a layer of luminescent material (4) on the enamel (3); depositing a protective layer (6) on the layer of luminescent material (4); and machining the outer face (5a) to reveal the enamel. Also, the related item.

A method for manufacturing an item (1) including a through-decoration (2) filled with an enamel (3) to form a plique--jour enamel. The method includes: obtaining a blank (5) defined with an upper face (5a) and a lower face (5b) opposite the upper face (5a); removing part of the blank (5) from the upper face (5a) to produce a decoration (2a) that does not pass through to the lower face (5b) or, alternatively, in the previous step, obtaining said blank (5) directly with the non-through decoration (2a); depositing one or more layers of enamel (3) within the non-through decoration (2a) and firing the enamel (3) after each 10 layer has been deposited; machining, preferably by grinding, the lower face (5b) to reveal the enamel (3) and thus produce the item (1) with the through-decoration (2) filled with enamel (3).

A method for engraving and texturing an item (1) including a decoration (2) filled at least partially with an enamel (3), the method including a laser ablation step using a femtosecond or picosecond laser on the surface of the enamel (3) and/or within the enamel (3) to produce a structure (7).

The present invention relates to a lightweight composite material having a binder and at least one first and at least one second filler, the first filler having a density of >2 kg/l and a Mohs hardness of >4 and the second filler having a bulk density of <2.5 kg/l. The concentration of the first filler in the composite material decreases starting from a first surface of the composite material in the direction of an opposite second surface of the composite material. In addition, the invention relates to a method for producing a composite material. This method includes the steps of providing a first filler which has a density of >2 kg/l and a Mohs hardness of >4, and providing a second filler which differs from the first filler and has a bulk density of <2.5 kg/l, and setting a concentration of the first filler in the resin that decreases in the vertical direction from a base surface of the casting mould by utilising the different mobilities of the filler particles in the resin.