The invention relates to a method for grafting an organic film onto an electrically conductive or semiconductive surface by electro-reduction of a solution, wherein the solution comprises one diazonium salt and one monomer bearing at least one chain polymerizable functional group. During the electrolyzing process, at least one protocols consisting of an electrical polarization of the surface by applying a variable potential over at least a range of values which are more cathodic that the reduction or peak potential of all diazonium salts in said solution is applied. The invention also relates to an electrically conducting or semiconducting surface obtained by implementing this method. The invention further relates to electrolytic compositions.

A gas turbine engine component includes a metal substrate and a coating system disposed on the metal substrate. The coating system includes at least one layer of aluminum-chromium oxide.

A method applies one or more films of polynuclear aluminum oxide hydroxide and polynuclear chromium hydroxide to a metal substrate. A method thermally treats the metal substrate with the one or more films at a temperature of at least 250 C., the thermal treatment reducing the polynuclear aluminum oxide hydroxides and the polynuclear chromium hydroxides to at least one layer of aluminum-chromium oxide.

An implant is provided comprising a substrate having one or more nanoceria coatings coated at least partially thereon, wherein the one or more nanoceria coatings comprise surface cerium having a 3+/4+ oxidation state ratio such that the one or more nanoceria coatings exhibit catalase mimetic activity, superoxide dismutase mimetic activity, or both. Methods are provided for forming a nanoceria coating. The coating has nanoceria having a surface cerium 3+/4+ oxidation state ratio such that such that the coating exhibits catalase mimetic activity, superoxide dismutase mimetic activity, or both. Also disclosed is a method of reducing degradation of an implant by placing nanoceria in proximity to a bone-implant interface.

An implant is provided comprising a substrate having one or more nanoceria coatings coated at least partially thereon, wherein the one or more nanoceria coatings comprise surface cerium having a 3+/4+ oxidation state ratio such that the one or more nanoceria coatings exhibit catalase mimetic activity, superoxide dismutase mimetic activity, or both. Methods are provided for forming a nanoceria coating. The coating has nanoceria having a surface cerium 3+/4+ oxidation state ratio such that such that the coating exhibits catalase mimetic activity, superoxide dismutase mimetic activity, or both. Also disclosed is a method of reducing degradation of an implant by placing nanoceria in proximity to a bone-implant interface.

The disclosure provides a method comprising inducing a first current between a source of a countercharge and a first electrode, the first current being through an electrolyte. A second current is induced across the first electrode, the second current being transverse to the first current, and the second current inducing a relativistic charge across the first electrode.

The disclosure provides a method comprising inducing a first current between a source of a countercharge and a first electrode, the first current being through an electrolyte. A second current is induced across the first electrode, the second current being transverse to the first current, and the second current inducing a relativistic charge across the first electrode.

A manufacturing device for a display device comprises: a chamber in which a display substrate is installed and comprises a fluid; a magnetic member on one side of the display substrate; And a signal supply device is included, wherein the signal supply device modulates a first alternating current signal into a second alternating current signal and supplies the modulated second alternating current signal to electrode wiring of the display substrate, and the second alternating current signal periodically changes a dielectrophoretic force to attach and detach a plurality of semiconductor light-emitting elements contained in the fluid to a plurality of assembly holes of the display substrate, respectively.

A manufacturing device for a display device comprises: a chamber in which a display substrate is installed and comprises a fluid; a magnetic member on one side of the display substrate; And a signal supply device is included, wherein the signal supply device modulates a first alternating current signal into a second alternating current signal and supplies the modulated second alternating current signal to electrode wiring of the display substrate, and the second alternating current signal periodically changes a dielectrophoretic force to attach and detach a plurality of semiconductor light-emitting elements contained in the fluid to a plurality of assembly holes of the display substrate, respectively.

A method for manufacturing a coating for a porous substrate, and to a mechanical part equipped with such a coating, the method including the following steps: providing a substrate to be protected, the substrate containing pores; providing a liquid suspension containing at least a first powder and a second powder, the first powder possessing a D50 strictly smaller than that of the second powder and an electrophoretic mobility strictly higher than that of the second powder; providing a DC electric generator; placing the substrate in the suspension, as a first electrode, and connecting the substrate to a first terminal of the electric generator; placing a second electrode in the suspension and connecting the second electrode to a second terminal of the electric generator; and applying a continuous or pulsed voltage of at least 10 V across the two electrodes for at least 1 minute.