Abstract: The present invention provides a battery or supercapacitor current collector which is prelithiated. The prelithiated current collector comprises: (a) an electrically conductive substrate having two opposed primary surfaces, and (b) a mixture layer of carbon (and/or other stabilizing element, such as B, Al, Ga, In, C, Si, Ge, Sn, Pb, As, Sb, Bi, Te, or a combination thereof) and lithium or lithium alloy coated on at least one of the primary surfaces, wherein lithium element is present in an amount of 1% to 99% by weight of the mixture layer. This current collector serves as an effective and safe lithium source for a wide variety of electrochemical energy storage cells, including the rechargeable lithium cell (e.g. lithium-metal, lithium-ion, lithium-sulfur, lithium-air, lithium-graphene, lithium-carbon, and lithium-carbon nanotube cell) and the lithium ion based supercapacitor cell (e.g, symmetric ultracapacitor, asymmetric ultracapacitor, hybrid supercapacitor-battery, or lithium-ion capacitor).

Abstract: The present invention relates generally to methods for producing a coated jewelry article or a coated component of a jewelry article, comprising a jewelry article or a component of a jewelry article, a first metallic coating, and a second metallic coating.

Abstract: A silver-coated composite material for movable contact parts, which has: an underlying layer composed of any one of nickel, cobalt, a nickel alloy, and a cobalt alloy at least provided on a part of the surface of a stainless steel substrate; an intermediate layer composed of copper or a copper alloy provided thereon; and a silver or silver alloy layer provided thereon as an outermost layer, wherein a thickness of the intermediate layer is 0.05 to 0.3 ?m, and wherein an average grain size of the silver or silver alloy provided as the outermost layer is 0.5 to 5.0 ?m.

Abstract: An item, such as a sputtering target assembly or an electrostatic chuck, comprised of a first substrate; a metallization layer adhered to a surface of the first substrate; a second substrate; and an elastomer layer positioned between the metallization layer and the second substrate. In another embodiment, a debonding layer, such as a solder material, is positioned between the elastomer layer and the second substrate for allowing the item to be disassembled after use by heating the item up to the approximate melting point of the debonding layer.

Abstract: A centrifugally cast composite roll comprising an outer layer having a composition comprising by mass 2.5-9% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 11-40% of V, the balance being Fe and inevitable impurities; an intermediate layer made of a high-speed steel alloy, which is formed inside the outer layer; and an inner layer made of cast iron or steel, which is formed inside the intermediate layer.

Abstract: A coating composition for coating a substrate, the coating composition comprising: Carbon in an amount of between about 1.5 and 3 wt %; Chromium in an amount of between about 10 and 15 wt %; Iron in an amount of between about 1 and 3 wt %; Nickel in an amount of less than about 15 wt %; 10 Silicon in an amount of between about 1 to 3 wt % Tungsten in an amount of between about 10 to 55 wt % with the balance of wt % being Cobalt.

Abstract: A method for making a coated article includes the steps of: providing a substrate; forming a copper-molybdenum target by a hot isostatic pressing process using copper powder and molybdenum powder; forming a copper-molybdenum alloy layer on the substrate by vacuum sputtering using the copper-molybdenum target. A coated article is also described.

Abstract: A surface treating method of a metal housing includes the following steps. First, a workpiece is provided. The workpiece includes a surface formed by a metal material. Thereafter, the workpiece is pre-treated to clean the surface of the metal material. Next, a titanium diffusion treating is performed on the workpiece to form a titanium-containing diffusion layer on the surface of the metal material.

Abstract: A billet includes a solid steel body and an alloy cladding. The cladding may include a square tube in which the body is inserted with an interface at which the cladding becomes bonded to the body when the billet is heated and rolled or otherwise worked into a ferrous product. At least one element composed of a mass of finely divided scavenging aluminium, titanium or magnesium, is placed in the tube adjacent the body and separate from the interface. The elements are advantageously compressed into briquettes which scavenge oxygen from residual air at the interface to prevent oxidation of the cladding at the interface. The tube may be closed to prevent gases outside the billet from penetrating to the interface. Alternatively, reliance may be placed on the briquettes to scavenge oxygen from the residual air and also from atmospheric air and furnace gases before they can penetrate to the interface.

Abstract: Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: (a) a group IIIB and/or IVB metal; (b) free fluorine; (c) a source of aluminum ions; and (d) water. The methods include contacting the metal substrates with the pretreatment composition.

Abstract: A lead frame and a semiconductor package including the lead frame are provided. The lead frame includes: a base material; a first metal layer which is formed on at least one side of the base material, of which a surface is roughly formed, and which includes copper or nickel; a second metal layer which is formed on a surface of the first metal layer, of which a surface is roughly formed, and which includes palladium or a palladium alloy; a third metal layer which is formed on a surface of the second metal layer, of which a surface is roughly formed, and which includes gold or a gold alloy; and a fourth metal layer which is formed on a surface of the third metal layer, of which a surface is roughly formed, and which includes metal that includes silver.

Abstract: A brazing sheet of aluminum alloy composed of a core material and a first brazing filler metal covering one surface of the core material. The core material contains as an essential component 0.2-1.0 mass % of Cu and as optional components at least one species of no more than 1.5 mass % of Si, no more than 1.8 mass % of Mn, no more than 0.35 mass % of Ti, and no more than 0.5 mass % of Mg, with the remainder being Al and inevitable impurities. The first brazing filler metal has a liquid phase ratio (X %) at 600° C. and a thickness (Y ?m) such that X and Y satisfy the following relationship: (1) 30?X?80, (2) Y?25, and (3) 1000?X×Y?24000. The brazing sheet provides good brazeability and maintains high corrosion resistance after brazing on the surface cladded with the brazing filler metal.

Abstract: The invention relates to the manufacture of protective coatings onto interior surface of long-length tubes or pipes having relatively small diameter, in order to prevent corrosion-, erosion-, or wear damage of said surface. The method for manufacturing a tube comprising an embedded corrosion-resistant and wear-resistant-coating, wherein the tube consists of an external tube layer, a bond layer, a corrosion- and wear-resistant coating, and an internal tube layer, includes: depositing the corrosion- and wear-resistant coating (CWRC) onto outer surface of the internal tube, depositing a bonding material onto CWRC, inserting the internal tube with deposited CWRC and bond material into the external tube to provide an embedded CWRC between external and internal tube layers, and bonding both tubes with the interior CWRC in one solid structure. A crack-healing compound or release compound is additionally deposited onto internal tube before CWRC, which is preferably alumina ceramic or hard thermal-sprayed alloy.

Abstract: The present invention relates to a layer system for coating a substrate surface and to a method for coating a substrate surface with a corresponding layer system, the layer system comprising at least two layers. One layer is a metal-nickel-alloy layer with a metal of the group comprising tin, copper, iron, tungsten and cobalt or an alloy of at least one of said metals, and the other layer is a layer of a metal of the group comprising nickel, copper, tin, molybdenum, niobium, cobalt, chromium, vanadium, manganese, titanium and magnesium, or an alloy of at least one of said metals. The layer system according to the invention is characterized by a high mechanical stability and great corrosion resistance.

Abstract: The invention provides thin, hydrogen-permeable, sulfur-resistant membranes formed from palladium or palladium-alloy coatings on porous, ceramic or metal supports. Also disclosed are methods of making these membranes via sequential electroless plating techniques.

Abstract: Fine-grained (average grain size 1 nm to 1,000 nm) metallic coatings optionally containing solid particulates dispersed therein. The fine-grained metallic materials are significantly harder and stronger than conventional coatings of the same chemical composition due to Hall-Petch strengthening and have low linear coefficients of thermal expansion (CTEs). The CTE of the fine-grained metallic coating is matched to the one of the substrate by adjusting the composition of the alloy and/or by varying the chemistry and volume fraction of particulates embedded in the coating. The fine-grained metallic coatings are particularly suited for strong and lightweight articles, precision molds, sporting goods, automotive parts and components exposed to thermal cycling. The low CTEs and the ability to match the CTEs of the fine-grained metallic coatings with the CTEs of the substrate minimize dimensional changes during thermal cycling and prevent premature failure.

Abstract: A method of welding including forming a filler material of a first oxide dispersoid metal, the first oxide dispersoid material having first strengthening particles that compensate for decreases in weld strength of friction stir welded oxide dispersoid metals; positioning the filler material between a first metal structure and a second metal structure each being comprised of at least a second oxide dispersoid metal; and friction welding the filler material, the first metal structure and the second metal structure to provide a weld.

Abstract: A component capable of being exposed to a plasma in a process chamber has a structure having an electroplated coating comprising yttrium-containing species. The electroplated coating can include zirconium oxide, or can have an oxide layer thereon. In another embodiment the electroplated coating comprises a first species and is coated with a second electroplated coating comprising a second species that is different from the first species. The electroplated coating is resistant to corrosion in the plasma. In another embodiment, the electroplated coating has an interface having a thickness with a first concentration gradient of an yttrium-containing species and a second concentration gradient of a second species. An electroplated coating having a layer comprising first and second concentration gradients of first and second metals can be formed by varying the concentration of the first and second metal electrolyte species in the electroplating bath to electroplate the coating.

Abstract: Disclosed is a refrigeration circuit-forming member which has a metal surface and is used for a refrigeration circuit in which HFO-1234yf that is a refrigerant configured of molecules having a double bond is used. The metal surface, which comes into contact with the HFO-1234yf, is covered with a coating layer that is not reactive with the HFO-1234yf within the range of temperature at which the HFO-1234yf is used. The coating layer is formed of any of a coating film that is firmly fixed to the metal surface, a coating layer that is formed by adhesion of a specific component added into the lubricant oil, and a coating layer that is formed by modification of the metal surface layer itself that forms the metal surface. Consequently, the chemical instability that is caused when the refrigerant HFO-1234yf comes into contact with the metal can be eliminated.

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: 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: An article comprises a first outer layer; a second intermediate layer; and a substrate; wherein the second intermediate layer contacts the first outer layer at a first interface and the substrate at a second interface. The first outer layer comprises Al2O3—TiO2 and the second intermediate layer comprises a functionally graded material. The functionally graded material comprises a composition proximate the first interface being substantially free of Al2O3—TiO2 and at the second interface having Al2O3—TiO2 in amounts substantially equal to the first outer layer.

Abstract: Methods are provided for bonding pure rhenium to a substrate comprising a material. Non-lubricated components configured to have friction contact with another component are also provided. In an embodiment, by way of example only, a method includes disposing a eutectic alloy over the substrate to form an inter layer, the eutectic alloy comprised essentially of a base alloy and one or more melting point depressants and having a melting temperature that is lower than a melting temperature of the substrate material and a melting temperature of rhenium, placing pure rhenium over the inter layer, and heating the inter layer to a temperature that is substantially equal to or greater than the melting temperature of the eutectic alloy, but that is below the melting temperature of the substrate material and the melting temperature of the pure rhenium to bond the pure rhenium to the substrate.

Abstract: A method for producing composite metal semi-finished products wherein an electrode composed of a second metal or a second metal alloy is introduced into a main body designed as a crucible and composed of a first metal or a first metal alloy, and the electrode is fused off inside the main body while current is supplied, such that the first metal or the first metal alloy of the main body is melted over a defined cross-section, wherein the two metals or the two metal alloys after solidification thereof form a slag-free mixed zone composed of the two metals or the two metal alloys.

Abstract: Bonding agent layers are often used in heat insulation layers in order to improve the bonding of an outer ceramic layer to a metal substrate. A process is provided wherein a MCrAlX or MCrAl alloy is applied to a substrate whereby an outer layer region within the layer is produced using a heat treatment.

Abstract: Improved compositions are described for the protection of gas turbine parts at elevated temperatures. The compositions are of the MCrAlY type, wherein M is Nickel, or Nickel in combination with cobalt and/or iron. The compositions further comprise a lanthanide, a group 4 metal selected from hafnium, zirconium, titanium, or a combination of these, and optionally, a group 14 element selected from silicon and/or germanium. The combination results in improved Al retention properties. Also disclosed herein are articles comprising the coatings.

Abstract: Fine-gained (average grain size 1 mm to 1,000 nm) metallic coatings optionally containing solid particulates dispersed therein are disclosed. The fine-grained metallic materials are significantly harder and stronger than conventional coatings of the same chemical composition due to Hall-Fetch strengthening and have low linear coefficients of thermal expansion (CTEs). The invention provides means for matching the CTE of the fine-grained metallic coating to the one of the substrate by adjusting the composition of the alloy and/or by varying the chemistry and volume fraction of particulates embedded in the coating. The fine-grained metallic coatings are particularly suited for strong and lightweight articles, precision molds, sporting goods, automotive parts and components exposed to thermal cycling. The low CTEs and the ability to match the CTEs of the fine-grained metallic coatings with the CTEs of the substrate minimize dimensional changes during thermal cycling and prevent premature failure.

Abstract: This invention discloses a method, using pure niobium as a transient liquid reactive braze material, for fabrication of cellular or honeycomb structures, wire space-frames or other sparse builtup structures or discrete articles using Nitinol (near-equiatomic titanium-nickel alloy) and related shape-memory and superelastic alloys. Nitinol shape memory alloys (SMAs), acquired in a form such as corrugated sheet, discrete tubes or wires, may be joined together using the newly discovered joining technique. Pure niobium when brought into contact with nitinol at elevated temperature, liquefies at temperatures below the melting point and flows readily into capillary spaces between the elements to be joined, thus forming a strong joint.

Abstract: Articles for automotive, manufacturing and industrial applications including shafts or tubes used, for example, as golf club shafts, ski and hiking poles, fishing rods or bicycle frames, skate blades and snowboards are at least partially electroplated with fine-grained layers of selected metallic materials. Parts with complex geometry can be coated as well. Alternatively, articles such as conical or cylindrical golf club shafts, hiking pole shafts or fishing pole sections, plates or foils and the like can also be electroformed of fine-grained metallic materials on a suitable mandrel or temporary substrate to produce strong, ductile, lightweight components exhibiting a high coefficient of restitution and a high stiffness for use in numerous applications including sporting goods.

Abstract: The present invention provides an alloy film of Mn or its Fe—Mn is depositable on a metalized alumina ceramic (Al2O3-SiO3) substrate for hermetically sealed glass-metal fusion used for aircraft switch assemblies. The coefficient of thermal expansion of Fe—Mn alloys appear to be fairly low, nearer to that of glass. Fe—Mn alloy film is an alternative to Fe64—Ni36 alloy films (Invar) normally used for glass to glass fusion purposes. Fe—Mn alloy films is also depositable directly on bare Alumina (Al2O3) substrate with or without zincating pretreatment. Similarly bright, smooth coherent film of Mn—Au or Fe—Mn—Ni Au alloys is depositable from an aqueous solution of simple salt bath or on Cu substrate without the use of cyanide without bridging with zincate processes.

Abstract: A metallic coating for protecting a substrate from high temperature oxidation and hot corrosion environments comprising about 2.5 to about 13.5 wt. % cobalt, about 12 to about 27 wt. % chromium, about 5 to about 7 wt. % aluminum, about 0.0 to about 1.0 wt. % yttrium, about 0.0 to about 1.0 wt. % hafnium, about 1.0 to about 3.0 wt. % silicon, about 0.0 to about 4.5 wt. % tantalum, about 0.0 to about 6.5 wt. % tungsten, about 0.0 to about 2.0 wt. % rhenium, about 0.0 to about 1.0 wt. % molybdenum and the balance nickel.

Abstract: A multi metal base thermal resistance alloy and a mold with the multi metal base thermal resistance alloy layer are provided. The weight percent of each element in this alloy is less than 45%. The structure of the alloy is an amorphous structure and the phonon thermal conductivity of the amorphous structure is intrinsically low. Therefore, the alloy is a metal material with low thermal conductivity coefficient and high thermal stability, which can increase the heat retaining property of the die casting mold, enhance the forming yield and stability of a metal sheet with a low fusion point, and is suitable to be used as a thermal-resistance coating material on die casting molds.

Abstract: Provided is an ultra-thin copper foil to which a carrier foil is attached, including: a carrier foil, a peeling layer, and an ultra-thin copper foil, wherein the peeling layer includes a first metal A having peelability, a second metal B and a third metal C facilitating coating of the first metal, wherein the amount (a) of the first metal A is in a range of about 30 to about 89% by total weight of the peeling layer, the amount (b) of the second metal B is in a range of about 10 to about 60% by total weight of the peeling layer, and the amount (c) of the third metal C is in a range of about 1 to about 20% by total weight of the peeling layer.

Abstract: A method for depositing a first material on a substrate includes providing the substrate in a deposition chamber. A molten body is formed between the substrate and a source of the first material by melting one or more second materials. A flow of the first material is passed through the molten body and from the molten body to the substrate as a vapor flow. An essentially non-expending portion of the molten body comprises an alloy having a melting temperature below a melting temperature of the first material.

Abstract: The invention relates to a cover polymeric with protective properties against solar radiation, suitable for controlling both ultraviolet radiation and infrared radiation or both at the same time. The cover comprises a substrate of polymeric material with a specific density greater than 1, provided with at least one UV radiation-absorbing compound: and at least one selective solar filter, transparent to visible light and reflecting infrared radiation, applied on said substrate and which is configured by at least one first dielectric material layer; at least one first metal layer; an intermediate layer as a barrier; and at least one second dielectric material layer. The cover is applicable as a coating of rigid laminar materials and also as material for greenhouses or buildings with transparent walls.

Abstract: An optical disc having at least two metal-containing layers with different compositions and partially overlapping areal extents in the plane of the disc and method of forming the disc are described. The optical disc with dual metallization exhibits visually distinct regions suitable for use for identification purposes.

Abstract: A method of producing a structured hard chrome layer is described, wherein chromium is deposited from an electrolyte onto a workpiece, said electrolyte containing: (a) a Cr (VI) compound in an amount corresponding to 50 g/l to 600 g/l of chromic acid anhydride (b) 0.5 g/l to 10 g/l of sulphuric acid; (c) 1 g/l to 20 g/l of aliphatic sulphonic acid, comprising 1 to 6 carbon atoms, and (d) 10 g/l to 200 g/l of at least one compound forming a dense cathode film, said compound being selected from among ammonium molybdate, alkali molybdate and alkaline earth molybdate, ammonium vanadate, alkali vanadate and alkaline earth vanadate, ammonium zirconate, alkali zirconate and alkaline earth zirconate. Further, the application relates to a structured hard chrome layer obtained according to said method and to an electrolyte for carrying out said method.

Abstract: Fine-grained (average grain size 1 nm to 1,000 nm) metallic coatings optionally containing solid particulates dispersed therein are disclosed. The fine-grained metallic materials are significantly harder and stronger than conventional coatings of the same chemical composition due to Hall-Petch strengthening and have low linear coefficients of thermal expansion (CTEs). The invention provides means for matching the CTE of the fine-grained metallic coating to the one of the substrate by adjusting the composition of the alloy and/or by varying the chemistry and volume fraction of particulates embedded in the coating. The fine-grained metallic coatings are particularly suited for strong and lightweight articles, precision molds, sporting goods, automotive parts and components exposed to thermal cycling. The low CTEs and the ability to match the CTEs of the fine-grained metallic coatings with the CTEs of the substrate minimize dimensional changes during thermal cycling and prevent premature failure.

Abstract: A metal clad laminate and a method of manufacturing the metal clad laminate are disclosed. The metal clad laminate can include a barrier layer made of a metallic material, a metal foil formed on one side of the barrier layer and coupled with the barrier layer by plating, and an insulator attached to the metal foil. By utilizing the metal clad laminate, the metal foil can be prevented from being perforated when processing a via hole using laser, so that a VOP structure may be implemented with a higher level of reliability.

Abstract: The present invention relates an iron based brazing material comprising an alloy consisting essentially of: 15 to 30 wt % chromium (Cr); 0 to 5.0 wt % manganese (Mn); 15 to 30 wt % nickel (Ni); 1.0 to 12 wt % molybdenum (Mo); 0 to 4.0 wt % copper (Cu); 0 to 1.0 wt % nitrogen (N); 0 to 20 wt % silicone (Si); 0 to 2.0 wt % boron (B); 0 to 16 wt % phosphorus (P); optionally 0.0 to 2.5 wt % of each of one or more of elements selected from the group consisting of carbon (C), vanadium (V), titanium (Ti), tungsten (W), aluminium (Al), niobium (Nb), hafnium (Hf), and tantalum (Ta); the alloy being balanced with Fe, and small inevitable amounts of contaminating elements; and wherein Si, B and P are in amounts effective to lower melting temperature, and Si, B, and P are contained in amounts according to the following formula: Index=wt % P+1.1×wt % Si+3×wt % B, and the value of the Index is within the range of from about 5 wt % to about 20.

Abstract: Problem is to provide a ceramic-metal composite and a semiconductor device that exhibits high bonding strength, heat cycle resistance, durability, and reliability even if the ceramic-metal composite is used in a power module. A ceramic-metal composite includes a ceramic substrate, an active metal brazing alloy layer, and a metal plate bonded to the ceramic substrate through the active metal brazing alloy layer disposed therebetween. The active metal brazing alloy layer contains a transition metal.

Abstract: Known protective layers with a high Cr content form brittle phases which become even more brittle during use under the influence of carbon. The protective layer according to the invention has the composition 26% to 28% cobalt, 20% to 22% chromium, 7% to 8% aluminium, 0.5% to 0.7% yttrium and/or at least one equivalent metal from the group comprising scandium and the rare-earth elements, optionally silicon and/or rhenium and the rest made up of nickel.

Abstract: Recent semiconductor device becomes high powered, and on the material of heat sinks on which these devices are mounted, lower thermal expansion coefficient and higher thermal conductivity are needed. For this requirement, material with thermal conductivity as high as Cu alone and also with low thermal expansion coefficient, is needed. An aspect in accordance with the present invention provides, a cladding material in which 1st material layer and 2nd material layer are laminated alternately, wherein thermal expansion coefficient of said 2nd material is lower than the thermal expansion coefficient of said 1st material, and thermal conductivity of said 2nd material is lower than the thermal conductivity of said 1st material, and a total number of laminated layers composed of said 1st material and said 2nd material is 5 or more.

Abstract: A reflective film is provided. The reflective film includes a substrate; a middle layer disposed on the substrate and mainly having a crystallized transition metal; and a metal layer disposed on the middle layer.

Abstract: A metal conductor layer is provided on at least one surface of a heat resistant base. The heat resistant base is peelable from the metal conductor layer. The heat resistant base is preferably a metal foil or a non-thermoplastic polyimide resin film. The metal conductor layer preferably includes a vapor deposition metal layer and/or a plating metal layer. The metal conductor layer preferably includes a metal layer (I) formed in an interface with the heat resistant base by vapor deposition, and at least one metal layer (II) formed on the metal layer (I) by vapor deposition or electroplating. At least one insulative film layer of a non-thermoplastic polyimide resin may be provided on the metal conductor layer.

Abstract: The invention relates to a coated turbine component adapted for exposure to a hot gas flow, comprising a component body comprising a base material, a thermal barrier coating applied to the base material, and a thermographic phosphor arranged within, on or beneath the thermal barrier coating surface adapted to emit light corresponding to a temperature of the thermographic phosphor.

Abstract: A metallic laminate composite having a first alloy layer having a low coefficient of thermal expansion, and a second alloy layer having a higher coefficient of thermal expansion. Additional and optional layers may be included in the laminate composite.

Abstract: A centrifugally cast composite roll comprising an outer layer having a composition comprising by mass 2.5-9% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 11-40% of V, the balance being Fe and inevitable impurities; an intermediate layer made of a high-speed steel alloy, which is formed inside the outer layer; and an inner layer made of cast iron or steel, which is formed inside the intermediate layer.

Abstract: A thermal barrier coating system includes a substrate, a first transition metal layer on the substrate, a bond coat on the first transition metal layer, an optional second transition metal layer on the bond coat, and an optional ceramic topcoat on the second transition metal layer. In embodiments, the first transition metal layer and the second transition metal layer include platinum to resist reaction between the bond coat and the substrate and to slow oxidation of the bond coat.

Abstract: A Cu—Mo substrate 10 according to the present invention includes: a Cu base 1 containing Cu as a main component; an Mo base having opposing first and second principal faces 2a, 2b and containing Mo as a main component, the second principal face 2b of the Mo base 2 being positioned on at least a portion of a principal face 1a of the Cu base 1; and a first Sn—Cu-type alloy layer 3 covering the first principal face 2a and side faces 2c and 2d of the Mo base 2, the first Sn—Cu-type alloy layer 3 containing no less than 1 mass % and no more than 13 mass % of Sn.