Provided is a method of producing a target material with reduced particle generation during sputtering, which is a method of producing a sputtering target material whose material is an alloy M, including a sintering step of sintering a mixed powder obtained by mixing a first powder and a second powder. A material of the first powder is an alloy M1 in which the proportion of a B content is from 40 at. % to 60 at. %. A material of the second powder is an alloy M2 in which the proportion of a B content is from 20 at. % to 35 at. %. The proportion of a B content in the mixed powder is from 33 at. % to 50 at. %. A metallographic structure including a (CoFe).sub.2B phase and a (CoFe)B phase is formed in the sintering step. A boundary length per unit area Y (1/μm), which is obtained by measuring a boundary length between the (CoFe).sub.2B phase and the (CoFe)B phase using a scanning electron microscope, and a proportion X (at. %) of a B content of the alloy M satisfy the expression

Y<−0.0015×(X−42.5).sup.2+0.15.

A method for manufacturing an aluminum alloy sheet may include melting aluminum alloy composition containing silicon (Si), iron (Fe), copper (Cu) and manganese (Mn) in weight% on the basis of remainder of aluminum (Al) to make cast alloy having a constant initial thickness; rolling the cast alloy to allow the initial thickness to be reduced, whereby the cast alloy is elongated to aluminum alloy sheet; and performing heat treatment on the aluminum alloy sheet.

Provided is a coloring pattern structure. The coloring pattern structure includes: a substrate; a light-transmitting dielectric layer formed on at least one surface of the substrate; and a composite material layer disposed on an upper surface of the light-transmitting dielectric layer and formed of a metal and a first material not having a thermodynamic solid solubility in the metal, wherein the metal included in the composite material layer has a pattern coated only on portions of the upper surface of the light-transmitting dielectric layer, and the first material is coated on the remaining area where the metal is not coated.

A titanium aluminide (TiAl) coating capable of improving high-temperature oxidation resistance of titanium alloys and a preparation method thereof are provided. The TiAl coating includes α-AlF.sub.3 nanoparticles, and a content of the α-AlF.sub.3 nanoparticles is 5-30 vol. % of the TiAl coating. The preparation method of the TiAl coating includes: using a TiAl alloy target and an α-AlF.sub.3 target as raw materials, and performing magnetron sputtering on a substrate surface to prepare a coating; the magnetron sputtering is double-target co-sputtering, and a substrate temperature during the magnetron sputtering is 150° C., the TiAl alloy target is performed direct current sputtering with a power of 0.5-2 kW, and the α-AlF.sub.3 target is performed radio frequency sputtering with a power of 0.07-0.2 kW. After the coating is obtained by the double-target co-sputtering, the obtained coating is heat-treated at 600-800° C. for 5-20 h to obtain a final coating.

A glazing includes a glass substrate on which is deposited a coating including at least one layer, the layer being formed from a material including metal nanoparticles dispersed in an inorganic matrix of an oxide, in which the metal nanoparticles are made of a metal chosen from the group formed by silver, gold, platinum, copper and nickel or of an alloy formed from at least two of these metals, in which the matrix including an oxide of at least one element chosen from the group of titanium, silicon and zirconium and in which the atomic ratio M/Me in the material is less than 1.5, M representing all atoms of the elements of the group of titanium, silicon and zirconium present in the layer and Me representing all of the atoms of the metals of the group formed by silver, gold, platinum, copper and nickel present in the layer.

A method for introducing a soft metal into a hard coating during a physical vapor deposition process. The method including steps of providing a substrate; depositing a bonding layer on the substrate; and depositing the hard coating on the bonding layer using vapor deposition wherein the soft metal forms islands in the hard coating.

Disclosed are a component for a fuel injector and a method for coating the same. The component for the fuel injector may include a base material, a bonding layer laminated on the base material, a support layer laminated on the outer surface of the bonding layer, and an NbSiCN functional layer including an NbCN layer and an SiCN layer and alternately laminated on the outer surface of the support layer, thereby reducing friction, high hardness, shock resistance, heat resistance, and durability of the component for the fuel injector.

The present disclosure belongs to the technical field of functional films, and in particular relates to a self-lubricating film over wide temperature ranges in vacuum and a preparation method and use thereof. The present disclosure provides a self-lubricating film over wide temperature ranges in vacuum, including: a bonding layer, a transition layer and a lubricating layer laminated in sequence, wherein the bonding layer has a chemical composition of Ti; the transition layer has a chemical composition of Ti and TiB.sub.2; the lubricating layer has a chemical composition of Ti, TiB.sub.2 and MoS.sub.2. In the present disclosure, when the self-lubricating films over wide temperature ranges in vacuum are exposed to different temperatures, different components of Ti, TiB.sub.2 and MoS.sub.2 in the films may be correspondingly excited to enrich in frictional contact areas. The composition of each layer synergistically exerts a lubricating effect and improves the tribological properties and stability of the self-lubricating film over wide temperature ranges in vacuum in a vacuum over a wide temperature range.

Aspects of the disclosure include a multilayer surface-covering assembly adapted to convert solar radiation to heat. The multilayer surface-covering assembly may include a first composite layer comprising a first amorphous refractory material and first metal nanoparticles, wherein the first amorphous refractor material encapsulates the first metal nanoparticles, and wherein the first composite layer is thermally coupled with a surface of a structure for conduction of heat from the first composite layer to the structure. he multilayer surface-covering assembly may also include an antireflective layer, wherein the first composite layer is disposed between the antireflective layer and the surface of the structure.

A method for manufacturing an aluminum alloy sheet may include melting aluminum alloy composition containing silicon (Si), iron (Fe), copper (Cu) and manganese (Mn) in weight % on the basis of remainder of aluminum (Al) to make cast alloy having a constant initial thickness; rolling the cast alloy to allow the initial thickness to be reduced, whereby the cast alloy is elongated to aluminum alloy sheet; and performing heat treatment on the aluminum alloy sheet.