A method for producing a planar composite component having a core layer (B), which is arranged between and integrally bonded to two cover layers (A, A′), wherein the cover layers contain a cover-layer thermoplastic and wherein the core layer contains a core-layer thermoplastic, comprises the following steps: a) a heated stack with layer sequence A-B-A′ is provided; b) the heated stack (A-B-A′) is pressed; c) the pressed stack is cooled, whereby the planar composite component with consolidated layers integrally bonded to each other is formed. To improve the production method including the producibility of planar 3D components, it is proposed, that at least one of the cover layers (A, A′) in unconsolidated form comprises a fibrous nonwoven layer of 10 to 100 wt.-% thermoplastic fibers of the cover-layer thermo-plastic and 0 to 90 wt.-% of reinforcing fibers having an areal weight of 300 to 3,000 g/m.sup.2; the core layer (B) in unconsolidated form comprises at least one randomly-oriented-fiber nonwoven layer (D) formed from reinforcing fibers and thermoplastic fibers of the core-layer thermoplastic,
and that after the pressing the consolidated core layer(s) has/have an air pore content of <5 vol.-% and the consolidated core layer has an air pore content of 20 to 80 vol-%.

To improve strength, rigidity, vibration damping properties and achieve a weight reduction while suppressing an increase in cost.

A carbon fiber reinforced plastic composite metal plate for vehicles according to the present invention includes: a predetermined metal plate; and a mixed resin layer including: a plurality of carbon fiber reinforced plastic layers provided on at least a portion of one surface or both surfaces of the metal plate, the carbon fiber reinforced plastic layers containing a predetermined matrix resin and carbon reinforcing fibers present in the matrix resin; and a resin layer located at least between any layers of the carbon fiber reinforced plastic layers or at the interface between the carbon fiber reinforced plastic layer and the metal plate, the resin layer containing a resin having a Young's modulus of less than 1 GPa and a loss coefficient of 0.01 or more, which is different from the matrix resin.

A vehicle component unit including a reinforcing open area core layer, a high gloss surface layer, and an encapsulating plastic layer. The reinforcing open area core layer has a first side and an oppositely opposed second side and a first end and an oppositely opposed second end each extending between the first side and the second side. The high gloss surface layer is positioned on the first side of the reinforcing open area core layer. The encapsulating plastic layer has a first end and a second end and is positioned on the second side of the reinforcing open are core layer. The first end and the second end of the encapsulating plastic layer are embedded into the high gloss surface layer with an embedded length L, such that the encapsulating plastic layer covers the first end and the second end of the reinforcing open area core layer.

Described herein are non-halogenated flame resistant adhesive compositions, halogen-free vapor retarders, facings for insulation products, and more specifically to flexible, low permeance facings utilizing non halogenated flame retardant systems for insulation products, and processes for making such products. The non-halogenated flame resistant adhesives can comprise non-halogenated latexes and/or non-halogenated flame retardants. The insulation products described herein may include a base insulation layer composed of or including a composite or construction board, blanket, batt, pipes, or roll. An insulation product as provided includes a base insulation layer (e.g., a construction or composite board) and at least one halogen-free facer bonded with a non-halogenated flame resistant adhesive composition to one or more sides or surfaces of the base insulation layer.

A rim for a bicycle wheel includes a radially inner portion disposed along an inner circumference of the rim. The rim also includes a first sidewall, a second sidewall spaced apart from the first sidewall, and a radially outer tire engaging portion disposed along an outer circumference of the rim. The first sidewall, the second sidewall, the radially outer tire engaging portion, the radially inner portion, or any combination thereof includes a composite laminate. The composite laminate includes a layer of a composite material. The composite material includes a matrix of a polymer-based material and natural fibers of a reinforcing material. A volume of a respective one of the natural fibers of the layer of the composite material is greater before lamination of the composite laminate compared to the volume of the respective one natural fiber after the lamination of the composite laminate.

A dry tape material for fiber placement includes a plurality of reinforcing fiber strands that satisfy (i) to (iii): (i) the reinforcing fiber strand has thicknesses T1 and T3 at both ends in a width direction of a section of the reinforcing fiber strand, and both T1 and T3 are 50 to 200% relative to a thickness T2 at a central portion of the reinforcing fiber strand, (ii) the reinforcing fiber strand has a number of filaments N and a width W that satisfy a relationship of 4.8<N/W<12, and (iii) the reinforcing fiber strand has a form kept by a first resin material having a glass transition temperature Tg or a melting point Tm of 40° C. to 200° C., the first resin material being heat-meltable, wherein the plurality of reinforcing fiber strands are bound and integrated with each other by a second resin material.

The present invention provides a fiber-reinforced resin which has excellent tensile shear joining strength and is able to be integrated with another structural member with high productivity by means of thermal welding, thereby being suitable as a structural material. The present invention is a fiber-reinforced resin which contains constituents (A), (B) and (C), while having a multilayer structure that is composed of a thermosetting resin layer that is formed of (B) a thermosetting resin, a thermoplastic resin layer that is formed of (C) a thermoplastic resin, and a mixed layer that is present between the thermoplastic resin layer and the thermosetting resin layer, while being obtained by mixing the thermoplastic resin (C) and the thermosetting resin (B), in such a manner that the thermoplastic resin layer is present in the surface. With respect to this fiber-reinforced resin, at least some of (A) reinforcing fibers are present in the mixed layer. (A) Reinforcing fibers (B) Thermosetting resin (C) Thermoplastic resin

The present disclosure relates to a spar cap (10) for a wind turbine blade (1000) comprising: a plurality of spar cap layers (20) and a first interlayer (30) arranged between the first spar cap layer (20a) and the second spar cap layer (20b) and comprising: a number of first interlayer areas (31), including a first primary interlayer area (31a), comprising a first number of interlayer sheets (33) comprising a first plurality of fibres (35); and a number of second interlayer areas (32), including a second primary interlayer area (32a), comprising a second number of interlayer sheets (34) comprising a second plurality of fibres (36), wherein the first number of interlayer sheets (33) is of a different characteristic than the second number of interlayer sheets (34).

A method of manufacturing a composite laminate. The method comprises providing a base layer, providing a discontinuous reinforcing patch on the base layer, and providing a top layer over the base layer and discontinuous reinforcing patch. Also, a composite laminate having a discontinuous reinforcing patch interposed between a base layer and a top layer. The discontinuous reinforcing patch comprises a patterned nanomaterial layer with nanomaterial-filled zones and vacant zones.

Disclosed is a panel for an aircraft structure, including a laminated skin of layers of metal of which in each case two are joined together by a fibre-reinforced adhesive layer, as well as a laminated doubler of layers of metal and at least one fibre-reinforced adhesive layer in each case between two layers of metal, wherein the doubler has a smaller size of perimeter than the skin and is bonded to an outermost layer of metal of the laminated skin by a fibre-reinforced supplementary adhesive layer, with the feature that at least one part of the perimeter of the fibre-reinforced supplementary adhesive layer is staggered inwards relative to the corresponding perimeter of the doubler and that that part of the inwards-staggered perimeter of the fibre-reinforced supplementary adhesive layer is delimited by a glued edge. Also disclosed is a method for manufacturing such a panel.