Abstract: A coating includes a nano-composite base comprising a number of films, the films stacked together one after another. Each film includes a nickel-titanium carbonitride layer and a titanium carbonitride layer.

Abstract: A device housing is provided. The device housing includes a substrate, and an anti-fingerprint film formed on the substrate. The anti-fingerprint film is a metal-nitrogen-oxygen compound coating. A method for making the device housing is also described there.

Abstract: A coated article includes a substrate, and a coating deposited on the substrate by magnetron sputtering. The coating includes micropores, and each micropore is sealed by a sealing element.

Abstract: A process for joining a carbon steel part and a zirconia ceramic part, comprising steps of: providing a metal part made of carbon steel, a ceramic part made of zirconia ceramic, and a titanium foil; bringing the metal part, ceramic part, and titanium foil into contact, with the titanium foil inserted between the metal part and ceramic part; applying a joining pressure of about 10˜50 MPa to the parts to be joined; and simultaneously applying a pulse electric current to the parts while the joining pressure is applied for heating up the parts to a joining temperature of about 800° C. to about 1100° C. at a rate of about 50˜600° C./min, maintaining the joining temperature for about 10˜50 minutes.

Abstract: A article made by vacuum deposition, includes a substrate; and a color layer deposited on the substrate, wherein the color layer has an L* value between about 75 to about 80, a a* value between about ?5 to about ?10, and a b* value between about 15 to about 20 in the CIE LAB color space.

Abstract: A continuous vacuum sputtering method includes the steps of providing a substrate; providing a continuous vacuum sputtering machine comprising a depositing chamber. The depositing chamber comprising at least one vacuum chamber, each vacuum chamber having a cathodic arc emitting source located therein; the substrate being loaded in the continuous vacuum sputtering machine; depositing a coating on the substrate by cathodic arc deposition using the cathodic arc emitting source.

Abstract: A device housing is provided. The device housing includes a substrate, a silicon dioxide film formed on the substrate, and a zinc oxide film formed on the silicon dioxide film. The silicon dioxide film has micrometer sized structures. The zinc oxide film has nanometer sized structures. A method for making the device housing is also described there.

Abstract: A process for joining a stainless steel part and a alumina ceramic part, comprising steps of: providing a metal part made of stainless steel, a ceramic part made of alumina ceramic, and a nickel foil; bring the metal part, ceramic part, and nickel foil into contact, with the nickel foil inserted between the metal part and ceramic part; applying a joining pressure of about 20˜60 MPa to the parts to be joined; and simultaneously applying a pulse electric current to the parts while the joining pressure is applied for heating up the parts to a joining temperature of about 950° C. to about 1150° C. at a rate of about 50˜300° C./min, maintaining the joining temperature for about 20˜40 minutes.

Abstract: A housing includes a substrate; a tin layer deposited on the substrate; a magnesium-tin layer formed between the substrate and the tin layer; a chromium layer deposited on the tin layer; a chromium-tin layer formed between tin layer on the chromium layer; and a chromium oxide or nitrogen layer deposited on the chromium layer. The substrate is made of magnesium or magnesium alloy; the tin layer is comprised of tin; the magnesium-tin layer is a magnesium-tin layer; the chromium layer is comprised of chromium; the chromium-tin layer is a chromium-tin layer; the chromium oxide or nitrogen layer is a chromium oxide nitrogen layer.

Abstract: A housing includes a substrate; a corrosion resistance layer deposited on the substrate; a bonding layer deposited on the corrosion resistance layer; and an abrasion resistance layer deposited on the bonding layer

Abstract: A coating includes a bonding layer comprised of TiNbN, a transition layer comprised of TiSiNbN formed on the bonding layer, and an outmost layer comprised of TiSiNbN formed on the transition layer. The percentage of atomics Ti and Nb in the outmost layer are respectively lower than the percentage of atomics Ti and Nb in the transition layer, and the percentage of atomic Si in the outmost layer are higher than the percentage of atomic Si in the transition layer.

Abstract: An aluminum alloy-and-resin composite includes an aluminum alloy substrate and resin composition formed on the substrate. The substrate is subjected to electrochemically etched and formed with nano-pores on its surface. The resin composition integrally couples to the surface of the aluminum alloy substrate by filling the nano-pores. The resin composition contains crystalline thermoplastic synthetic resins.

Abstract: An aluminum alloy-and-resin composite includes an aluminum alloy substrate, an anodic oxide film formed on the substrate, and resin composition bonded with the anodic oxide film. The anodic oxide film has nano-pores with an average diameter of about 30-60 nm. The resin composition fills the nano-pores and coatings surfaces of the anodic oxide film. The resin composition contains crystalline thermoplastic synthetic resins.

Abstract: A process for joining a stainless steel part and a silicon carbide ceramic part, comprising steps of: providing a stainless steel part, a SiC ceramic part, and a Al foil; bringing surfaces of the stainless steel part, SiC ceramic part, and Al foil into contact, with the titanium foil inserted between the metal part and ceramic part; applying a pulsed electric current to the stainless steel part, SiC ceramic part, and Al foil, heating the stainless steel part, SiC ceramic part, and Al foil to a joining temperature of about 500-650° C., and simultaneously applying a joining pressure of about 50-100 MPa to the stainless steel part, SiC ceramic part, and Al foil while the current is applied, and maintaining the joining temperature and the joining pressure for about 10-30 minutes.

Abstract: A surface hardened substrate includes a base, a transition layer disposed on a surface of the base, and a hard layer disposed on the transition layer. The transition layer includes at least two kinds of transition metals. The hard layer includes a composite that comprises the at least two kinds of transition metals and a nonmetal.

Abstract: A surface hardened substrate includes a base, a transition layer disposed on a surface of the base, and a hard layer disposed on the transition layer. The transition layer includes at least two kinds of transition metals. The hard layer includes an alloy and a nonmetal. The alloy includes the at least two kinds of transition metals.

Abstract: An apparatus for fabrication of a magnesium-based carbon nanotube composite material, the apparatus includes a thixomolding machine, and a feeding device. The thixomolding machine includes a heating barrel, a feeding inlet, a nozzle, a heating portion, and a plunger. The heating barrel includes a first end and a second end. The feeding inlet is disposed at the first end. The nozzle is disposed at the second end. The heating portion is disposed around the heating barrel. The plunger is disposed at a center of the heating barrel. The feeding device includes a hopper; an aspirator connected to the hopper, a first container, and a second container. The hopper is in communication with the first container and the second container. A method for fabricating a magnesium-based carbon nanotube composite material is also provided.

Abstract: A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a magnesium-based melt and a plurality of carbon nanotubes, mixing the carbon nanotubes with the magnesium-based melt to achieve a mixture; (b) injecting the mixture into at least one mold to achieve a preform; and (c) extruding the preform to achieve the magnesium-based carbon nanotube composite material.

Abstract: An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having a first end and a second end, a nozzle disposed at the first end. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel.

Abstract: The present invention relates to a magnesium-based composite material includes at least two magnesium-based metallic layers; and at least one magnesium-based composite layer respectively sandwiched by the at least two magnesium-based metallic layers. The present invention also relates to a method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing at least two magnesium-based plates; (b) providing a plurality of nanoscale reinforcements; (c) sandwiching the nanoscale reinforcements between the at least two magnesium-based plates to form a preform; and (d) hot pressing the preform to achieve the magnesium-based composite material.