Abstract: An electrically conductive and corrosion resistant graphene-based coating composition, including a binder, a graphene-filler; and a dispersing agent, wherein the graphene filler comprises a plurality of graphene stacks.

Abstract: The present disclosure provides a sensor system including one or more sensors having a first container fluidly coupled to a second container, the second container being configured to receive a conductive media from the first container. A first movable element is slidingly engaged with the first container to cause the second container to receive the conductive media from the first container. A first electrode is positioned in the first cavity and electrically coupled to the conductive media. In some examples, a second electrode is electrically coupled to the first electrode and the conductive media. The sensor deposits the conductive media on a working electrode to form an electrochemical cell and obtain one or more material properties of the working electrode. In some examples, the sensor system includes an array of sensors which deposit the conducive media in multiple locations on a working electrode to generate a material property map.

Abstract: A system for measuring corrosion includes a first electrode configured to be connected to a first structure and a second electrode configured to be connected to a second structure. The first and second structures are galvanically-coupled together, and the first and second structures are made of different materials. A chamber is configured to run through one or more cycles while the first electrode, the first structure, the second electrode, and the second structure are positioned inside the chamber. A measurement device is configured to receive data from the first and second electrodes and to measure one or more parameters based at least partially upon the data. A level of corrosion on the first structure, the second structure, or both is configured to be determined based at least partially upon the one or more parameters.

Abstract: The present disclosure provides compositions including a conductive polymer; and a fiber material comprising one or more metals disposed thereon. The present disclosure further provides a component, such as a vehicle component, including a composition of the present disclosure disposed thereon. The present disclosure further provides methods for manufacturing a component including: contacting a metal coated fiber material with an oxidizing agent and a monomer to form a first composition comprising a metal coated fiber material and a conductive polymer; and contacting the first composition with a polymer matrix or resin to form a second composition.

Abstract: Composite airfoils of the present disclosure comprise a root section including a first surface. The airfoils comprise an intermediate section having a first surface and coupled with the root section at a first end. The airfoils comprise a tip section having a first surface and coupled at a first end with a second end of the intermediate section. The airfoils comprise a conductive material layer adjacent at least one of the first surface of the root section, the first surface of the intermediate section, and the first surface of the tip section. The conductive material comprises a first polymer, a second polymer, and a sulfonic acid.

Abstract: An example method includes: forming a conductive layer on at least a portion of a surface of a substrate, where the substrate comprises a composite material of an aerodynamic structure, and where the conductive layer is configured to provide a conductive path to conduct an electric current generated by a lightning strike to an electrically-grounded location; depositing an insulating layer on the conductive layer; removing one or more portions of the insulating layer to form respective gaps in the insulating layer and expose corresponding one or more portions of the conductive layer; and forming a resistive-heater layer on the insulating layer such that the resistive-heater layer fills the respective gaps in the insulating layer and contacts the corresponding one or more portions of the conductive layer, such that when electric power is provided to the conductive layer, the electric power is communicated to the resistive-heater layer thereby generating heat therefrom.

Abstract: The present disclosure provides a coated iron particle, or reaction product of a coating and the iron particle, comprising an iron particle and a ceramic coating disposed on the iron particle. Aspects of the present disclosure provide a coated iron particle, or reaction product of a coating and the iron particle, including an iron particle having a diameter of from about 0.5 micron to about 100 microns; and a ceramic coating disposed on the iron particle. Aspects of the present disclosure further provide compositions comprising a coated iron particle and a polymer or adhesion promoter. Aspects of the present disclosure further provide components, such as components, such as vehicle components, having a surface and a composition of the present disclosure disposed on the surface.

Abstract: Aspects described herein generally relate to a sol-gel that is the reaction product of an organosilane, a metal alkoxide, an acid, and chromium (III) salt and/or a lanthanide salt having a solubility of about 1 gram or greater per gram of sol-gel at 23° C. The lanthanide salt includes a cation and a ligand. The cation can be lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, cobalt, calcium, strontium, barium, and zirconium. A ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof. The chromium (III) salt includes a cation and a ligand. The cation is chromium (III) and the ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof.

Abstract: An electrically conductive and corrosion resistant graphene-based coating composition, including a binder, a graphene-filler; and a dispersing agent, wherein the graphene filler comprises a plurality of graphene stacks.

Abstract: The present disclosure provides polyanilines, articles thereof, and methods of forming polyanilines. In at least one aspect, a polyaniline has a thermal stability of about 100° C. or greater, a weight average molecular weight (Mw) of from about 50,000 g/mol to about 150,000 g/mol and a molecular weight distribution (Mw/Mn) of from about 1 to about 5. In at least one aspect, a film includes a polyaniline, the film having a hydrocarbon content of about 1 wt % or less, based on the total weight of the film. In at least one aspect, a method includes introducing an emulsion of an aqueous solution of an aniline and an alkyl-substituted aryl sulfonic acid having 1 wt % or less of hydrocarbon content into a flow reactor, the flow reactor having a length of tubing having an inner diameter. The method includes polymerizing the monomer within the tube to form a polyaniline.

Abstract: The present disclosure provides a coated iron particle, or reaction product thereof, comprising an iron particle and a thiol coating disposed on the iron particle. The present disclosure further provides compositions comprising a coated iron particle and a polymer or adhesion promoter. The present disclosure further provides components having a surface and a composition of the present disclosure disposed on the surface. Methods for passivating an iron particle can include introducing a passivation agent having one or more sulfur moieties into a solvent to form a passivation solution; and contacting an iron particle with the passivation solution to form a coated iron particle. Methods for passivating an iron particle can include introducing an iron particle into a solvent to form an iron particle solution; and contacting a passivation agent having one or more sulfur moieties with the iron particle solution to form a coated iron particle.

Abstract: Methods of forming an electrically conductive carbon allotrope material comprise depositing a first material comprising a polymer and a sulfonic acid onto a carbon allotrope material to form a second material. The methods comprise curing the second material. Methods of heating a surface of a vehicle component comprise applying a voltage to a material comprising a carbon allotrope material, a polymer, and a sulfonic acid. The material is disposed on a surface of a vehicle component. Electrically conductive materials comprise at least one polymer, at least one sulfonic acid, and a carbon allotrope material.

Abstract: An example method includes: forming a conductive layer on at least a portion of a surface of a substrate, where the substrate comprises a composite material of an aerodynamic structure, and where the conductive layer is configured to provide a conductive path to conduct an electric current generated by a lightning strike to an electrically-grounded location; depositing an insulating layer on the conductive layer; removing one or more portions of the insulating layer to form respective gaps in the insulating layer and expose corresponding one or more portions of the conductive layer; and forming a resistive-heater layer on the insulating layer such that the resistive-heater layer fills the respective gaps in the insulating layer and contacts the corresponding one or more portions of the conductive layer, such that when electric power is provided to the conductive layer, the electric power is communicated to the resistive-heater layer thereby generating heat therefrom.

Abstract: Methods of forming an electrically conductive carbon allotrope material comprise depositing a first material comprising a polymer and a sulfonic acid onto a carbon allotrope material to form a second material. The methods comprise curing the second material. Methods of heating a surface of a vehicle component comprise applying a voltage to a material comprising a carbon allotrope material, a polymer, and a sulfonic acid. The material is disposed on a surface of a vehicle component. Electrically conductive materials comprise at least one polymer, at least one sulfonic acid, and a carbon allotrope material.

Abstract: Disclosed are laminates comprising a carbon fiber reinforced polymer sheet and a layer of polysilazane and methods for producing such laminates.

Abstract: Aspects described herein generally relate to a sol-gel that is the reaction product of a hydroxy organosilane, a metal alkoxide, an acid stabilizer, and a corrosion inhibitor. The hydroxy organosilane is represented by Formula (I): wherein R is selected from alkyl, cycloalkyl, ether, and aryl. The acid stabilizer is at a molar ratio of acid stabilizer to metal alkoxide of 1:1 or greater and the sol-gel has a pH from about 3 to about 4.

Abstract: An example method includes: (i) depositing an insulating layer on a substrate; (ii) forming a conductive polymer layer on the insulating layer; and (iii) repeating deposition of a respective insulating layer, and formation of a respective conductive polymer layer to form a multilayer stack of respective conductive polymer layers interposed between respective insulating layers. Each respective conductive polymer layer has a respective electrical resistance, such that when the respective conductive polymer layers are connected in parallel to a power source, a resultant electrical resistance of the respective conductive polymer layers is less than each respective electrical resistance.

Abstract: An example method includes: (i) depositing an insulating layer on a substrate; (ii) forming a conductive polymer layer on the insulating layer; and (iii) repeating deposition of a respective insulating layer, and formation of a respective conductive polymer layer to form a multilayer stack of respective conductive polymer layers interposed between respective insulating layers. Each respective conductive polymer layer has a respective electrical resistance, such that when the respective conductive polymer layers are connected in parallel to a power source, a resultant electrical resistance of the respective conductive polymer layers is less than each respective electrical resistance.

Abstract: Compositions are described for protecting a metal surface against corrosion. The composition includes a corrosion-inhibiting particle. The corrosion inhibiting particle may be usable in an epoxy resin-based coating or an olefin resin-based coating. The particle may include a core and a protectant. The core may include a water soluble corrosion inhibitor. The protectant may be disposed on at least a portion of a surface of the core and may be covalently or ionically bonded to a thiol group of the corrosion inhibitor. The protectant may be configured to reduce reaction between the core and the epoxy resin or the olefin resin. Methods of making the compositions are also disclosed.

Abstract: A method providing conductive coatings is provided. A dopant layer with a plasma deposited conjugated polymer is provided. Conductive, conjugated polymer coatings are also provided.