Abstract: A process for treating the surface of magnesium alloy comprises providing a substrate made of magnesium alloy. Then an inorganic chemical conversion film is formed on the substrate by an inorganic chemical conversion treatment. An organic chemical conversion film is subsequently formed on the inorganic chemical conversion film by an organic chemical conversion treatment. Then a ceramic coating comprising refractory metal compound is formed on the chemical conversion film by physical vapor deposition. An article made of magnesium alloy created by the present process also is provided.

Abstract: A process for treating the surface of aluminum or aluminum alloy comprises providing a substrate made of aluminum or aluminum alloy. Then a zinc-plating layer is formed on the substrate by electroless plating with a zinc electroless plating solution, and a ceramic coating comprising refractory compound is next formed on the zinc-plating layer using physical vapor deposition.

Abstract: An coated article includes a substrate; and a coating deposited on the substrate, wherein the coating is a titanium layer mixed with a first element and a second element, M is at least one element selected from a group consisting of iron, cobalt, nickel, copper, niobium, hafnium and tantalum; R is at least one element selected from a group consisting of scandium, yttrium and lanthanide.

Abstract: A process for surface treating aluminum or aluminum alloy comprises the following steps. Providing a substrate made of aluminum or aluminum alloy. The substrate is treated with a chemical conversion treatment solution containing molybdate as the main film forming agent, to form a molybdate conversion film on the substrate. Then, a ceramic coating comprising refractory compound is formed on the molybdate conversion film by physical vapor deposition.

Abstract: A coated article is provided. The coated article includes a substrate and a thermochromic layer formed on the substrate. The thermochromic layer is a vanadium dioxide layer co-doped with M and R. M comprises one or more elements selected from a group consisting of titanium, niobium, molybdenum and tungsten; R comprises one or more elements selected from a group consisting of rhodium, palladium and ruthenium. The thermochromic temperature of the thermochromic layer is reduced by doping M and R. A method for making the coated article is also described there.

Abstract: A coated article is provided. A coated article includes a composite substrate made from carbon fiber and zirconium diboride. A chromium layer is deposited on the substrate. A chromium diffusing layer is formed between the substrate and the chromium layer. A chromium-nitrogen layer is deposited on the chromium layer. A iridium layer is deposited on the chromium-nitrogen layer opposite to the chromium layer, wherein the chromium-nitrogen layer includes a first chromium-nitrogen layer and a second chromium-nitrogen layer. The first chromium-nitrogen layer abuts the chromium layer. The second chromium-nitrogen layer abuts the iridium layer. The atomic nitrogen content in the first chromium-nitrogen layer gradually increases with the thickness of the first chromium-nitrogen layer. The atomic nitrogen content in the second chromium-nitrogen layer gradually decreases with the thickness of the second chromium-nitrogen layer.

Abstract: An coated article includes a substrate; and a coating deposited on the substrate, wherein the coating being a zirconium layer co-doped with M and R. M is at least one element selected from a group consisting of iron, cobalt, nickel, copper, niobium, hafnium and tantalum. R is at least one element selected from a group consisting of scandium, yttrium and lanthanide.

Abstract: A coated article is provided. The coated article includes a substrate, a hydrophobic layer formed on the substrate. The hydrophobic layer includes a first layer portion formed on the substrate and a second layer portion formed on the first layer portion, the first layer portion is a CNy layer, the second layer portion is a CNxFz layer, wherein 1?y?3, 1?x?3, 1?z?4. The water contact angle of the hydrophobic layer is more than 110°. The hydrophobic layer has a good chemical stability, high-temperature resistance and a good abrasion resistance, which effectively extends the use time of the coated article. A method for making the coated article is also described there.

Abstract: A process for treating the surface of magnesium alloy comprises providing a substrate made of magnesium alloy. The substrate is then treated with a chemical conversion treatment solution containing cerium nitrate and potassium permanganate as main film forming agents, to form a cerium conversion film on the substrate. A ceramic coating comprising refractory metal compound is next formed on the cerium conversion film by physical vapor deposition.

Abstract: A process for treating the surface of magnesium alloy comprises providing a substrate made of magnesium alloy. The substrate is then treated with a chemical conversion treatment solution containing oleic acid as a main film forming agent, to form an oleic acid conversion film on the substrate. A ceramic coating comprising refractory metal compound is next formed on the cerium conversion film by physical vapor deposition.

Abstract: A coated article is described. The coated article includes a substrate, and an anti-fingerprint film formed on the substrate. The anti-fingerprint film includes a non-crystalline alumina layer formed on the substrate and a non-crystalline aluminum-oxygen-fluorine layer formed on the non-crystalline alumina layer. The aluminum-oxygen-fluorine has a chemical formula of AlOxFy, wherein 0<x<1.5, 0<y<3. A method for making the coated article is also described.

Abstract: An article includes a substrate made of carbon fiber and zirconium diboride composites; an chromium layer deposited on the substrate; an chromium diffusing layer formed between the substrate and the chromium layer; and a iridium layer deposited on the chromium layer opposite to the chromium diffusing layer.

Abstract: A coated article is provided. The coated article includes a substrate, a hydrophobic layer formed on the substrate. The hydrophobic layer is an amorphous carbon nitride layer which is defined as CNy, wherein y is in a range of from about 1 to about 3. The water contact angle of the hydrophobic layer 13 is about 100° to about 110°. The hydrophobic layer has a good chemical stability, high-temperature resistance and a good abrasion resistance, which effectively extends the use time of the coated article. A method for making the coated article is also described therein.

Abstract: A coated article is described. The coated article includes a substrate, a magnesium oxide-alumina compound layer formed on the substrate, and an anti-fingerprint layer formed on the magnesium oxide-alumina compound layer. The anti-fingerprint layer is a layer of magnesium-aluminum-oxygen-fluorine having the chemical formula of MgAlOxFy, wherein 0<x<2.5, 0<y<5. A method for making the coated article is also described.

Abstract: A housing is provided which includes an aluminum or aluminum alloy substrate, an aluminum layer and a corrosion resistant layer formed on the aluminum or aluminum alloy substrate in that order. The corrosion resistant layer is an Al—C—N layer. Then, La ions is implanted in the Al—C—N layer by ion implantation process. The atomic percentages of N and C in the Al—C—N gradient layer gradually increase from the side of Al—C—N gradient layer near the aluminum or aluminum alloy substrate to the other side of Al—C—N gradient layer, away from aluminum or aluminum alloy substrate. Therefore the housing has a high corrosion resistance. A method for making the housing is also provided.

Abstract: The present disclosure relates to a method for fabricating the above-described a magnesium-based composite material. The method includes providing at least two magnesium-based plates, providing at least one nanoscale reinforcement film, sandwiching the at least one nanoscale reinforcement film between the at least two magnesium-based plates to form a preform, and hot rolling the preform to achieve the magnesium-based composite material.

Abstract: A coated article is provided. The coated article includes a substrate having a bonding layer, and a hard coating formed thereon, and in that order. The hard coating has a composition represented by the formula TixAlyMzN, in which the “x”, “y”, and “z” respectively represent the atomic percentage of Ti, Al, and M. The “M” is Sc or Dy. The “x”, “y” and “z” satisfy the following relationships: x+y+z=1, 35%?x?45%, and 0.01%?z?1%. A method for making the coated article is also described there.

Abstract: A housing is provided which includes an aluminum or aluminum alloy substrate, an aluminum layer and a corrosion resistant layer formed on the aluminum or aluminum alloy substrate in that order. The corrosion resistant layer is an Al—O layer. Then, La ions are implanted in the Al—O layer by ion implantation process. The atomic percentages of O in the Al—O gradient layer gradually increase from the side of Al—O gradient layer near the aluminum or aluminum alloy substrate to the other side of Al—O gradient layer, away from aluminum or aluminum alloy substrate. Therefore the housing has a high corrosion resistance. A method for making the housing is also provided.

Abstract: An coated article includes a substrate; and a lubricant layer deposited on the substrate; wherein the lubricant layer is a molybdenum sulphur boron nitride layer and comprises molybdenum sulfur boron nitride (MoSBN) having a molybdenum disulfide phase and a boron nitride phase.

Abstract: A coated article includes a bonding layer, a chromium oxynitride layer a boron nitride layer formed on a substrate in that order. The boron nitride layer is made of hexagonal structure boron nitride.