A composite article including a plurality of layers each comprising bundles of fibers separated by spaces; pins bonded to a side of at least one of bundles and extending or built through the spaces between the layers; and a resin combined with the layers and the pin. The pins form a physical barrier preventing or reducing propagation of cracks in an x-y plane of the composite article.

The present disclosure relates to methods and systems for making thermoplastic resin materials and composite resin systems and materials made from the thermoplastic resins, by seeding one melted thermoplastic material with a second thermoplastic material in a crystalline state that comprises an amount of ferromagnetic material.

Provided are resin particles including columnar resin particles each including filaments of a fibrous material, wherein the filaments of the fibrous material are aligned in an axial direction of each of the columnar resin particles.

Provided are resin particles including columnar resin particles each including filaments of a fibrous material, wherein the filaments of the fibrous material are aligned in an axial direction of each of the columnar resin particles.

An apparatus and method for producing a composite part, such as a reinforced composite part, are provided that enable control over the fiber or other particle orientation within each layer of the part during manufacture. The apparatus and method employ a print head including a dispensing tip and a magnetic assembly controllable to apply a magnetic field at a print location adjacent the dispensing tip outlet.

An apparatus and method for producing a composite part, such as a reinforced composite part, are provided that enable control over the fiber or other particle orientation within each layer of the part during manufacture. The apparatus and method employ a print head including a dispensing tip and a magnetic assembly controllable to apply a magnetic field at a print location adjacent the dispensing tip outlet.

A rubber compound for use in a stator. The rubber compound includes a fiber reinforcement, which may include fibrillated fibers in some embodiments, and short chop fibers in others. Fibers in the fiber reinforcement create a grain direction. In some embodiments, the rubber compound has a first value for 25% tensile Modulus across the grain and a second value for 25% tensile Modulus with the grain, wherein the first value is at least 10% lower than the second value. In embodiments, the fiber reinforcement may include a fiber loading of greater than 1.0 phr of fibers. In embodiments, the rubber compound may have a 25% tensile Modulus of greater than 400 psi across the grain and a 50% tensile Modulus of greater than 700 psi across the grain. In embodiments, at least some of the fibers may have a Modulus greater than 2.0 GPa.

A rubber compound for use in a stator. The rubber compound includes a fiber reinforcement, which may include fibrillated fibers in some embodiments, and short chop fibers in others. Fibers in the fiber reinforcement create a grain direction. In some embodiments, the rubber compound has a first value for 25% tensile Modulus across the grain and a second value for 25% tensile Modulus with the grain, wherein the first value is at least 10% lower than the second value. In embodiments, the fiber reinforcement may include a fiber loading of greater than 1.0 phr of fibers. In embodiments, the rubber compound may have a 25% tensile Modulus of greater than 400 psi across the grain and a 50% tensile Modulus of greater than 700 psi across the grain. In embodiments, at least some of the fibers may have a Modulus greater than 2.0 GPa.

This invention disclosed a resin-based composite material has a three-layer structure and the application thereof. According to the invention, an oriented carbon nanotube bundle/epoxy resin composite material (denoted as layer B) is prepared with the microwave curing method, a barium titanate nanofiber/epoxy resin composite material (denoted as layer E) is prepared by means of a blade coating-heat curing method, and a composite material of a B-E-B three layer structural is formed by means of a layer-by-layer curing technology. Compared to the composite material of the conductor-insulating layer/polymer layer structural prepared in the prior art, the resin-based composite material has a three-layer structure provided by the invention has with high energy storage density, and low dielectric loss and high permittivity; and the preparation process therefor is controllable and easy to operate, short in production cycle, and suitable for large-scale application.

This invention disclosed a resin-based composite material has a three-layer structure and the application thereof. According to the invention, an oriented carbon nanotube bundle/epoxy resin composite material (denoted as layer B) is prepared with the microwave curing method, a barium titanate nanofiber/epoxy resin composite material (denoted as layer E) is prepared by means of a blade coating-heat curing method, and a composite material of a B-E-B three layer structural is formed by means of a layer-by-layer curing technology. Compared to the composite material of the conductor-insulating layer/polymer layer structural prepared in the prior art, the resin-based composite material has a three-layer structure provided by the invention has with high energy storage density, and low dielectric loss and high permittivity; and the preparation process therefor is controllable and easy to operate, short in production cycle, and suitable for large-scale application.