A composite member excellent in corrosion resistance of a substrate and excellent in heat radiation property is provided. A composite member includes a substrate composed of a composite material containing magnesium or a magnesium alloy and SiC and a coating layer provided on a surface of the substrate. The coating layer includes an outermost layer provided as an outermost surface and an intermediate layer provided directly under the outermost layer. The outermost layer contains nickel and phosphorus. The intermediate layer is mainly composed of copper. The intermediate layer has a thickness not smaller than 30 μm.

A coated metal alloy substrate with at least one chamfered edge, a process for producing a coated metal alloy substrate, and an electronic device having a housing comprising a coated metal alloy substrate are described. The coated metal alloy substrate with at least 10 one chamfered edge comprises a water transfer print layer deposited on the metal alloy substrate, a passivation layer deposited on the at least one chamfered edge, and an electrophoretic deposition layer deposited on the passivation layer.

An alloy member includes a base material that includes a surface layer and is a magnesium-lithium alloy (Mg—Li alloy) having an α-phase and a β-phase, and an anticorrosive film is able to be formed on the surface layer. A degree of orientation in a (110) plane of the β-phase of the Mg—Li alloy is more than or equal to 70%. An average grain size of the Mg—Li alloy is less than or equal to 50 μm. A Li concentration of the surface layer is lower than a Li concentration of inside of the base material.

An alloy member includes a base material that includes a surface layer and is a magnesium-lithium alloy (Mg—Li alloy) having an α-phase and a β-phase, and an anticorrosive film is able to be formed on the surface layer. A degree of orientation in a (110) plane of the β-phase of the Mg—Li alloy is more than or equal to 70%. An average grain size of the Mg—Li alloy is less than or equal to 50 μm. A Li concentration of the surface layer is lower than a Li concentration of inside of the base material.

A magnesium alloy containing: Al: 0.2-1.6 wt. % Zn: 0.2-0.8 wt. % 5 Mn: 0.1-0.5 wt. % Zr 0-0.5 wt. % La: 1-3.5 wt. % Y: 0.05-3.5 wt. % Ce: 0-2 wt. % 10 Nd: 0-2 wt. % Gd: 0-3 wt. % Pr: 0-0.5 wt. % Be: 0-20 ppm the balance being Mg and incidental elements.

Provided are: a flame-retardant magnesium alloy which is prevented from the occurrence of the molten metal combustion during the melting of the alloy in casting; and a method for producing the flame-retardant magnesium alloy. A magnesium alloy containing a specific element in a specified amount and also containing a specific rare earth element (RE) in a specified amount. The magnesium alloy makes it possible to form an oxide film of the rare earth element (RE) which is dense and thin and is rarely cracked on the outermost surface of a molten metal. More specifically a flame-retardant magnesium alloy which contains, in % by mass, less than 9.0% of Ca, 0.5% or more and less than 5.7% of Al, 1.3% or less of Si, 0.4% or more and less than 1.3% of a rare earth element and a remainder made up by Mg and unavoidable impurities, wherein the requirement represented by the formula: Al+8Ca≥20.5% is satisfied.

Examples of an alloy injection molded liquid metal substrate are described. In an example, an alloy injection molded liquid metal substrate includes a liquid metal substrate and an alloy injection molded on a first surface of the liquid metal substrate.

A magnesium clad material 100 includes, when a cross-section thereof cut in a thickness direction thereof is observed, a Mg layer (11), a first Al layer (12) made of pure Al or an Al alloy, and a first joint (13) made of pure Cu or a Cu alloy and arranged between the Mg layer and the first Al layer, and the magnesium clad material has a 0.2% proof stress of 150 MPa or more as measured in a tensile test under a room temperature atmosphere.

The present disclosure relates to a composite material, in particular a composite material of metals, a process for producing a composite material, and a medical device, in particular an implant, based on the composite material. The composite material comprises at least 5 vol-% of Fe and at least 1 vol-% of Mg or Zn, wherein the composite material comprises a Mg or Zn phase and an Fe phase, wherein the average size of the Mg or Zn phase in at least one dimension is less than 20 μm, in particular less than 10 μm. The medical device, in particular an implant, may be suitable for fixing of bone fractures (as well as fractions of a tendon or a ligament, etc.) and/or corrections and may be capable of exhibiting a targeted failure representing a complete paradigm shift in the treatment of bone fractures and the like.

The present disclosure relates to a composite material, in particular a composite material of metals, a process for producing a composite material, and a medical device, in particular an implant, based on the composite material. The composite material comprises at least 5 vol-% of Fe and at least 1 vol-% of Mg or Zn, wherein the composite material comprises a Mg or Zn phase and an Fe phase, wherein the average size of the Mg or Zn phase in at least one dimension is less than 20 μm, in particular less than 10 μm. The medical device, in particular an implant, may be suitable for fixing of bone fractures (as well as fractions of a tendon or a ligament, etc.) and/or corrections and may be capable of exhibiting a targeted failure representing a complete paradigm shift in the treatment of bone fractures and the like.