WO2011052517A1 - アルミニウム接合合金、その合金で形成された接合合金層を有するクラッド材及びアルミニウム接合複合材 - Google Patents
アルミニウム接合合金、その合金で形成された接合合金層を有するクラッド材及びアルミニウム接合複合材 Download PDFInfo
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- WO2011052517A1 WO2011052517A1 PCT/JP2010/068801 JP2010068801W WO2011052517A1 WO 2011052517 A1 WO2011052517 A1 WO 2011052517A1 JP 2010068801 W JP2010068801 W JP 2010068801W WO 2011052517 A1 WO2011052517 A1 WO 2011052517A1
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
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- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression bonding
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/16—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
- B23K20/2275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer the other layer being aluminium
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
- B23K20/2333—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer one layer being aluminium, magnesium or beryllium
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
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- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
- B23K20/2336—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer both layers being aluminium
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/002—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of light metal
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/004—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of a metal of the iron group
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0233—Sheets, foils
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
- B32B15/015—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium the said other metal being copper or nickel or an alloy thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/017—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of aluminium or an aluminium alloy, another layer being formed of an alloy based on a non ferrous metal other than aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/1275—Next to Group VIII or IB metal-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/1275—Next to Group VIII or IB metal-base component
- Y10T428/12757—Fe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Definitions
- the present invention is formed of an aluminum joining alloy having excellent pressure welding and diffusion joining properties and brazing properties to aluminum as well as non-aluminum metals such as steel, copper, nickel and titanium, and the joining alloy.
- the present invention relates to a clad material having a bonding alloy layer and an aluminum bonding composite material.
- Aluminum is widely used as a material for electrode materials, terminal materials, conductive wire materials and the like because of its excellent conductivity, workability, and lightness.
- an aluminum material (single layer material) formed only of aluminum is inferior in strength and corrosion resistance, so an aluminum layer formed of aluminum and a non-aluminum metal layer formed of stainless steel or nickel are pressed and diffusion bonded.
- a clad material bonded by the above method is used.
- Such a clad material is used as a conductive material such as a battery case, an electrode material, and a terminal material.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-312979
- Patent Document 2 Japanese Unexamined Patent Application Publication No. 2004-351460
- Patent Document 3 describes a clad material in which a nickel layer is directly pressed against an aluminum layer and diffusion-bonded.
- a power module in which a semiconductor element and an aluminum cooler that cools the semiconductor element are integrally used as an electronic component, and an improvement in cooling performance with higher output is desired.
- a power module is formed by brazing an aluminum cooler and a heat diffusion promoting layer (heat spreader), and the heat diffusion promoting layer.
- a heat conductive insulating substrate referred to as a “DBA substrate”
- a semiconductor device are soldered in this order.
- the thermal diffusion promoting layer a clad material is generally used in which an aluminum layer is joined by pressure welding and diffusion bonding to a copper layer formed of copper having excellent thermal conductivity via an iron layer or a nickel layer.
- the power module is usually assembled as follows. An aluminum cooler and the aluminum layer of the heat diffusion promoting layer are brazed. Thereafter, a heat conductive insulating substrate is soldered on the copper layer of the heat diffusion promoting layer, and a semiconductor element is further soldered on the heat conductive insulating substrate. In some cases, a thermally conductive insulating substrate on which a semiconductor element is soldered in advance is soldered to the thermal diffusion promoting layer.
- the heat-conductive insulating substrate has a structure in which aluminum layers are laminated on both sides of a ceramic layer such as aluminum nitride. Usually, both surfaces of the heat-conductive insulating substrate are provided to ensure solder wettability. Nickel plating is applied.
- the aluminum layer and the nickel layer are directly bonded or the stainless steel layer is bonded to the aluminum layer via the nickel layer.
- aluminum and copper cannot be directly bonded because a very brittle intermetallic compound is formed during diffusion bonding, but an iron layer or nickel layer should be provided between the aluminum layer and the copper layer.
- the aluminum layer and the copper layer can be laminated.
- the aluminum layer and the nickel layer, or the aluminum layer and the iron layer can be joined by pressure welding and diffusion bonding, the aluminum layer and the nickel layer, or between the aluminum layer and the iron layer, Al is diffused. -Ni-based and Al-Fe-based intermetallic compound layers are formed. When these intermetallic compound layers grow excessively, the bondability deteriorates significantly. For this reason, it is usually necessary to appropriately control the diffusion annealing conditions in the diffusion bonding after the pressure welding so that the intermetallic compound layer does not grow excessively.
- an aluminum cooler is brazed at about 600 ° C. using an aluminum bonding brazing material such as an Al—Si brazing material to the aluminum layer of the thermal diffusion promoting layer provided in the power module. .
- an intermetallic compound layer formed during diffusion bonding grows between the aluminum layer and the nickel layer of the thermal diffusion promoting layer or between the aluminum layer and the iron layer. For this reason, there is a problem that the joining force between the aluminum layer and the nickel layer or the aluminum layer and the iron layer in the thermal diffusion promoting layer before brazing is impaired by brazing.
- the present invention has been made in view of such problems, and provides an aluminum bonding alloy that is excellent not only in non-aluminum metals such as steel, copper, nickel, and titanium, but also in aluminum pressure bonding, diffusion bonding, and brazing. The purpose is to do. It is another object of the present invention to provide a clad material and an aluminum bonded composite material having a bonded alloy layer formed of the bonded alloy.
- the present inventor is generally excellent in pressure contact, diffusion bonding, brazing, and weldability with non-aluminum metals such as steel, copper, and titanium.
- a component that can impart excellent diffusion bonding and brazing properties to aluminum was investigated.
- a Ni—Mg alloy containing a predetermined amount of magnesium that hardly dissolves in nickel exhibits excellent bondability not only to the non-aluminum metal but also to aluminum.
- the present invention has been made based on such findings.
- the aluminum bonding alloy of the present invention is a Ni—Mg alloy for bonding aluminum and any non-aluminum metal selected from steel, copper, nickel, and titanium.
- Mg contains 0.08 mass% or more and 0.90 mass% or less, preferably 0.10 mass% or more and 0.70 mass% or less (hereinafter, “mass%” is simply expressed as “%”), and the balance. It consists of Ni and inevitable impurities.
- aluminum means Al alloy containing Al as a main component in addition to pure aluminum.
- pure iron “iron and steel” means Fe alloys containing Fe as a main component, such as mild steel, alloy steel, and stainless steel.
- copper is a Cu alloy mainly composed of Cu
- nickel is pure nickel
- titanium is pure titanium.
- Ti alloy mainly composed of Ti.
- main component means that the component accounts for 50% or more in the material.
- the above-mentioned aluminum joining alloy is based on high concentration Ni, it is excellent in pressure welding, diffusion bonding, brazing, and weldability to any non-aluminum metal such as steel, copper, nickel and titanium. . Furthermore, it is excellent also in aluminum, pressure contact property, diffusion bonding property, and brazing property. The reason will be described below.
- Ni—Al-based intermetallic compound layer When the nickel layer and the aluminum layer are pressed and diffusion bonded, a Ni—Al-based intermetallic compound layer is formed therebetween.
- This intermetallic compound layer has a relatively good bonding strength when the annealing temperature is lowered to suppress the diffusion reaction in the diffusion annealing for diffusion bonding, and the intermetallic compound layer is not thickened. Is expressed.
- the intermetallic compound layer becomes approximately 10 ⁇ m by vigorous diffusion reaction, the bonding force between the aluminum layer and the intermetallic compound layer is deteriorated, and the aluminum layer becomes the intermetallic compound layer. Peel off from the interface.
- the joining alloy layer formed by the aluminum joining alloy according to the present invention and the aluminum layer are joined by pressure welding and diffusion joining, even if the intermetallic compound layer is formed as thick as about 10 ⁇ m by the active diffusion reaction, The bonding force between the bonding alloy layer and the aluminum layer does not deteriorate. This is because when the intermetallic compound layer is formed by the diffusion reaction, the aluminum oxide existing on the surface of the aluminum layer is driven to the bonding interface between the aluminum layer and the intermetallic compound layer, and the bonding alloy layer is removed. It is considered that aluminum oxide is reduced by an appropriate amount of Mg present in the nickel base of the Ni—Mg alloy to be formed, and the amount of aluminum oxide present at the interface of the aluminum layer is reduced after the diffusion reaction is completed.
- the aluminum bonding alloy of the present invention exhibits excellent brazing properties not only for non-aluminum metals but also for aluminum.
- the aluminum bonding alloy according to the present invention exhibits excellent pressure welding properties, diffusion bonding properties, and brazing properties not only for non-aluminum metals but also for aluminum.
- the joining alloy layer formed with the joining alloy can be used suitably for the following clad materials and aluminum joining composite materials.
- the clad material according to the first aspect of the present invention includes a non-aluminum metal layer formed of any non-aluminum metal selected from steel, copper, nickel, and titanium, and a bonding alloy layer formed of the above-described aluminum bonding alloy
- the non-aluminum metal layer and the bonding alloy layer are bonded by pressure welding and diffusion bonding.
- the aluminum material can be firmly brazed to the bonding alloy layer.
- the brazing of the aluminum material is performed at about 600 ° C., but at this temperature, the bonding force between the non-aluminum metal layer of the cladding material and the bonding alloy layer does not deteriorate. For this reason, the aluminum joining composite material by which the aluminum material was firmly brazed to the non-aluminum metal layer via the joining alloy layer of the clad material can be easily provided.
- a brazing material layer formed of an aluminum joining brazing material can be integrally joined to the joining alloy layer.
- the brazing material layer can be joined to the joining alloy layer by pressure welding or by pressure welding and diffusion bonding.
- the brazing filler metal layer melts during brazing, and it is sufficient that the brazing filler metal layer and the bonding alloy layer be firmly joined to each other as long as they are joined to the extent that they do not separate from the joining alloy layer during handling. There is no.
- an aluminum-bonded composite material can be easily obtained by brazing an aluminum material to the bonding alloy layer of the clad material of the first embodiment.
- a non-aluminum metal layer of the clad material can be formed of copper, and an aluminum cooler for cooling the semiconductor element can be used as the aluminum material.
- an aluminum cooler for cooling the semiconductor element can be used as the aluminum material.
- the clad material according to the second aspect of the present invention includes the non-aluminum metal layer, the bonding alloy layer, and an aluminum layer formed of aluminum, and the non-aluminum metal layer and the bonding alloy layer are also the bonding alloy.
- the layer and the aluminum layer are joined by pressure welding and diffusion bonding, respectively.
- the clad material of this second form can also join a brazing material layer formed of an aluminum joining brazing material to the aluminum layer of the clad material. Thereby, brazing workability
- the brazing material layer can be joined to the aluminum layer by pressure welding or by pressure welding and diffusion bonding.
- the aluminum material can be brazed more firmly to the aluminum layer than when the aluminum material is directly brazed to the bonding alloy layer. For this reason, the aluminum joining composite material by which the aluminum material was brazed more firmly can be provided easily.
- an aluminum joining composite material can be easily obtained by brazing an aluminum material to the aluminum layer of the clad material of the second embodiment.
- a non-aluminum metal layer of the clad material can be formed of copper, and an aluminum cooler for cooling the semiconductor element can be used as the aluminum material. This can provide a cooling member for an electronic component such as a power module to which the aluminum cooler is more firmly joined.
- the non-aluminum metal layer can be formed of stainless steel, and the aluminum layer can be formed of pure Al or a conductive aluminum alloy containing 90 mass% or more of Al.
- the electrical conductivity of the aluminum layer, the mechanical strength, the corrosion resistance, the bondability with the conductive wire, and the economical efficiency of the non-aluminum metal layer (stainless steel layer) can be combined.
- the clad material using a stainless steel layer as the non-aluminum metal layer can be suitably used as a conductive material such as a battery case or a terminal member.
- the clad material according to the third aspect of the present invention includes an aluminum layer formed of aluminum and a bonding alloy layer formed of the aluminum bonding alloy according to the present invention, and the aluminum layer and the bonding alloy layer include It is joined by pressure welding and diffusion joining.
- a non-aluminum metal material formed of any non-aluminum metal selected from steel, copper, nickel, and titanium is brazed and welded to a bonded alloy layer in which the aluminum layer is firmly bonded. It can be easily joined by a joining method such as. For this reason, the aluminum joining composite_body
- the joining alloy layer of the clad material according to the third embodiment has a high Ni concentration, and has good workability, corrosion resistance, brazing property with a conductive wire and weldability. It can use suitably as electroconductive materials, such as.
- the fourth form of the clad material according to the present invention is a bonding alloy layer formed of the aluminum bonding alloy according to the present invention and an aluminum bonding brazing material or any one selected from steel, copper, nickel, and titanium.
- a brazing material layer formed of a non-aluminum metal joining brazing material for brazing aluminum metal is provided, and the joining alloy layer and the brazing material layer are joined together.
- an aluminum material and a bonding alloy layer, or a non-aluminum metal material and a bonding alloy layer can be firmly brazed using a brazing material layer without separately preparing a brazing material.
- the brazing material layer can be joined to the joining alloy layer by pressure welding or by pressure welding and diffusion bonding.
- the aluminum bonding alloy according to the present invention essentially contains 0.08-0.90 mass% of Mg, and is composed of the balance Ni and unavoidable impurities, so any non-aluminum selected from steel, copper, nickel and titanium A strong bond with the metal is obtained.
- aluminum oxide present at the aluminum joining interface is reduced by an appropriate amount of Mg in the aluminum joining alloy during joining, so that diffusion bonding, brazing, or welding can be used. A strong bond can be obtained.
- the aluminum bonding alloy of the present invention is suitable as a bonding material for bonding both the aluminum material and the non-aluminum metal material because strong bonding can be obtained.
- the aluminum bonding alloy itself has good corrosion resistance, workability, and bondability, various clad materials and aluminum bonding composites having a bonding alloy layer made of the aluminum bonding alloy can be easily provided.
- This aluminum bonding alloy is a Ni—Mg alloy that essentially contains Mg in an amount of 0.08 mass% or more and 0.90 mass% or less (0.08-0.90 mass%), and the balance is Ni and inevitable impurities.
- the reason why the alloy base is Ni is that Ni has good ductility and workability, is relatively high in strength and corrosion resistance, and is excellent in pressure welding, diffusion bonding, brazing, and weldability.
- Mg is an important element in the alloy of the present invention, and has the effect of reducing the aluminum oxide present at the aluminum interface and improving the bondability during diffusion bonding and brazing with aluminum.
- the reason for limiting the Mg component in the Ni—Mg alloy will be described.
- the Mg content exceeds 0.90%, hot workability and cold workability deteriorate, and it becomes difficult to roll the Ni—Mg alloy into a form such as a plate material.
- the amount of Mg is less than 0.08%, the reduction effect of aluminum oxide by the Mg becomes too small, and the improvement in bondability is lowered. Therefore, in the present invention, the lower limit of the Mg amount is 0.08%, preferably 0.10%, more preferably 0.20%, and the upper limit is 0.90%, preferably 0.70%, more preferably 0.65%.
- the Ni—Mg alloy is typically composed of a predetermined amount of Mg, the balance Ni and unavoidable impurities.
- aluminum oxide such as Ca, Li, and REM (rare earth elements) is reduced.
- An element capable of forming a small amount can be added alone or in combination within a range not impairing the workability.
- the aluminum joining alloy is usually manufactured through the following steps. First, the raw materials whose components have been adjusted are melted and cast. The cast ingot is hot-worked and, if necessary, subjected to intermediate annealing, and then cold-worked into a desired shape, typically a plate material. Mg hardly dissolves in Ni, but Mg is finely dispersed and precipitated in the Ni base of the ingot even without taking a special cooling method such as rapid solidification.
- FIG. 1 shows a clad material according to the first embodiment, which is formed of a non-aluminum metal layer 2 formed of any non-aluminum metal selected from steel, copper, nickel, and titanium, and the above-described aluminum bonding alloy.
- the non-aluminum metal layer 2 and the bonding alloy layer 1 are bonded by pressure welding and diffusion bonding.
- the pressure welding and diffusion bonding include not only the case of pressure welding and subsequent diffusion bonding, but also the case of simultaneously performing pressure welding and diffusion bonding. By using pressure welding and diffusion bonding together, a strong bond can be obtained.
- Examples of the steel include low carbon steel such as pure iron and mild steel, and stainless steel.
- Examples of the copper include pure copper, brass, white copper, and western silver.
- Examples of the nickel include Ni—Cu alloys such as pure nickel and monel metal.
- Examples of the titanium include pure titanium, ⁇ -type titanium alloy, and ⁇ + ⁇ -type titanium alloy.
- As the non-aluminum metal an appropriate metal is selected depending on required characteristics, applications, and the like.
- an aluminum material can be easily brazed to the joining alloy layer 1 using an aluminum joining brazing material.
- an aluminum bonded composite material in which the non-aluminum metal layer 2 and the aluminum material 11 are firmly bonded via the bonded alloy layer 1 can be easily obtained.
- the aluminum brazing filler metal include an Al—Si—Mg brazing material such as JIS standard 4004 and an Al—Si brazing material such as JIS standard 4343.
- a brazing layer 30 having a composition in which a brazing material melted during brazing and components transferred from the joining alloy layer 1 and the like are mixed is formed. .
- FIG. 2 shows a clad material according to a modification of the first embodiment, and this clad material is the other surface of the joining alloy layer 1 of the clad material of the first embodiment, that is, the side on which the aluminum material 11 is brazed.
- a brazing filler metal layer 21 formed of the aluminum bonding brazing material is bonded to the surface of the metal by pressure welding and diffusion bonding, and the three layers of the non-aluminum metal layer 2, the bonding alloy layer 1, and the brazing filler metal layer 21 are integrated. It is a clad material laminated on. Since the clad material having the three-layer structure having the brazing material layer 21 does not require a separate brazing material when brazing the aluminum material, the brazing workability can be improved.
- the brazing material layer may have a thickness of about 50 to 500 ⁇ m. Since the brazing filler metal layer 21 melts during brazing, it should be joined to such an extent that it does not separate during handling. For this reason, the brazing filler metal layer 21 only needs to be press-contacted to the bonding alloy layer 1, and diffusion bonding can be omitted.
- FIG. 3 shows a clad material according to the second embodiment, which is formed of the non-aluminum metal layer 2 formed of the non-aluminum metal, the bonding alloy layer 1 formed of the aluminum bonding alloy, and aluminum.
- the non-aluminum metal layer 2 and the bonding alloy layer 1 are integrally bonded, and the bonding alloy layer 1 and the aluminum layer 3 are integrally bonded by pressure welding and diffusion bonding.
- an aluminum material can be brazed more firmly to the aluminum layer 3 bonded to the bonding alloy layer 1, and the non-aluminum metal layer 2 and the aluminum material 11 are bonded to the bonding alloy layer 2 and aluminum.
- An aluminum bonding composite material that is more firmly bonded via the layer 3 can be easily obtained.
- the non-aluminum metal layer 2 is formed of copper having excellent thermal conductivity
- the aluminum material 11 is brazed to the bonding alloy layer 1 or the aluminum layer 3.
- copper having excellent thermal conductivity include pure copper such as tough pitch copper and oxygen-free copper, and copper alloys containing 85% or more, more preferably 90% or more of Cu, such as phosphor bronze, chrome copper, and beryllium copper.
- Aluminum bronze and gunmetal are examples of copper having excellent thermal conductivity.
- FIG. 4 shows a cooling member for an electronic component such as a power module as the conductive aluminum bonding composite material.
- This cooling member is obtained by brazing an aluminum cooler 11A having fins as an aluminum material 11 to the cladding alloy layer 1 of the first embodiment.
- the non-aluminum metal layer (copper layer) 2 of the clad material serves as a heat spreader that quickly transfers heat transferred from the heat transfer insulating substrate (DBA substrate) laminated thereon to the cooler 11A.
- the conductive aluminum bonding composite material is not limited to the cladding material of the first embodiment, and may be manufactured using the cladding material of the second embodiment shown in FIG.
- an aluminum cooler 11A is brazed to the aluminum layer 3.
- the non-aluminum metal layer (copper layer) 2 is about 0.5 to 3 mm
- the bonding alloy layer 1 is about 50 to 200 ⁇ m
- the aluminum layer 3 is The thickness is preferably about 10 to 100 ⁇ m.
- a bonding alloy layer formed of the aluminum bonding alloy according to the present invention may be provided on the other surface of the non-aluminum metal layer (copper layer) 2. it can.
- a thermally conductive insulating substrate (DBA substrate) is nickel-plated on both sides and is easily soldered to a copper layer.
- some heat conductive insulating substrates are not subjected to nickel plating and the aluminum layer is exposed.
- the aluminum layer of the heat conductive insulating substrate and the bonding alloy layer can be firmly brazed.
- the aluminum layer 3 is formed of aluminum having excellent conductivity
- the non-aluminum metal layer 2 is a metal having excellent corrosion resistance, workability, and bondability and high strength against aluminum. That is, it can be formed of stainless steel, pure nickel, or nickel alloy having a Ni content of 90% or more.
- Such a clad material can be suitably used as it is as a material for battery cases and connection terminals.
- the aluminum layer 3 is preferably about 10 to 100 ⁇ m
- the bonding alloy layer 1 is preferably about 50 to 200 ⁇ m
- the non-aluminum metal layer 2 is preferably about 200 to 500 ⁇ m.
- an aluminum alloy having an Al content of 85% or more, preferably 90% or more is preferable.
- aluminum alloys include 3000 series aluminum alloys (Al-Mn series alloys) such as JIS A3003 and A3004, 4000 series aluminum alloys (Al-Si series alloys) such as JIS A4042, and JIS standards.
- Al-Mg series alloys such as A5005 and A5052.
- stainless steel include austenitic stainless steels such as JIS standards SUS303, SUS304, and SUS316, and ferritic stainless steels such as SUS405 and SUS430.
- FIG. 5 shows a clad material according to the third embodiment, which includes an aluminum layer 4 formed of aluminum and a bonding alloy layer 1 formed of the aluminum bonding alloy, and the aluminum layer 4 and the bonding alloy layer 1.
- a non-aluminum metal material 12 of an appropriate material can be joined to the joining alloy layer 1 by brazing or welding according to the purpose of use and application, and as a result, an aluminum joined composite material can be easily obtained.
- this clad material has a high Ni concentration in the bonding alloy layer 1 and good workability, corrosion resistance, brazeability and weldability, the clad material itself is suitable as a material for battery cases and terminal members. Can be used.
- the aluminum layer 4 is preferably formed of the aluminum alloy having excellent conductivity
- the aluminum layer 4 is preferably about 10 to 100 ⁇ m
- the bonding alloy layer 1 is preferably about 50 to 200 ⁇ m. .
- the brazing material layer is welded to the other surface (surface on the brazing side) of the joining alloy layer 1 by pressure welding, or by pressure welding and diffusion bonding, similarly to the cladding material of FIG.
- a clad material in which the three layers of the aluminum layer 4, the bonding alloy layer 1 and the brazing material layer are integrated can be obtained.
- a brazing material having a brazing temperature at which the aluminum layer 4 does not melt is used.
- the brazing temperature is preferably lower than the melting point of aluminum forming the aluminum layer 4 (for example, 660 ° C. for pure aluminum), preferably about 60 ° C. lower than the melting point.
- local heating type welding such as spot welding and laser welding, is preferable. In such welding, even if the melting point of aluminum that locally forms the aluminum layer 4 is exceeded, the entire aluminum layer 4 is not melted, so that the bondability between the aluminum layer 4 and the bonding alloy layer 1 can be ensured.
- FIG. 6 shows a clad material according to the fourth embodiment, which includes a joining alloy layer 1 formed of an aluminum joining alloy according to the present invention and a brazing material layer 21, and the joining alloy layer 1 and the brazing material layer 21. Are joined by pressure welding, or pressure welding and diffusion bonding. In the case of this clad material, it is not necessary to firmly bond the brazing material layer 21 to the bonding alloy layer 1, so that diffusion bonding can be omitted.
- the brazing material layer 21 is formed of an aluminum joining brazing material or a non-aluminum metal joining brazing material for brazing any non-aluminum metal selected from steel, copper, nickel, and titanium.
- a non-aluminum metal joining brazing material silver brazing which is mainly an Ag—Cu alloy is used.
- the silver brazing include BAg-based silver brazing such as JIS standard BAg-1, BAg-4, BAg-8.
- the cladding material of the fourth embodiment it is possible to firmly braze the bonding alloy layer 1 and the aluminum material or the non-aluminum metal material using the brazing material layer 21 without separately preparing the brazing material. Furthermore, a non-aluminum metal material or an aluminum material can be easily joined to the other surface of the joining alloy layer 1, that is, the surface on the side where the brazing material layer 21 is not joined, by brazing or welding. Thereby, the aluminum joining composite material by which the aluminum material and the non-aluminum metal material were joined via the joining alloy layer 1 can be obtained easily.
- the brazing material layer 21 is formed of an aluminum joining brazing material
- an aluminum material is brazed to the joining alloy layer 1 by the brazing material of the brazing material layer 21, and then a non-aluminum metal material is applied to the other surface of the joining alloy layer 1. It can be joined by brazing or welding.
- a non-aluminum metal material a non-aluminum bonding brazing material having a brazing temperature lower than the melting point of the aluminum alloy of the brazing part formed during brazing with the brazing material layer is used.
- local heating type welding is preferable.
- the brazing material layer 21 is formed of a non-aluminum metal joining brazing material
- the other of the joining alloy layer 1 is used.
- the aluminum material can be firmly brazed using an aluminum bonding brazing material on the surface.
- Non-aluminum metal brazing filler metal mainly silver brazing
- aluminum brazing filler metal mainly Al-Si brazing filler metal.
- the brazed part does not melt.
- any brazing material can be used as long as the bonding alloy layer 1 does not melt during brazing.
- the clad material of each of the above embodiments can be manufactured simultaneously and integrally by the following method. That is, a thin plate, sheet or film metal material that is the basis of each layer of the clad material is overlaid, and this polymer material is pressed by cold rolling and then subjected to diffusion annealing. Adjacent layers are diffusion bonded. Further, diffusion welding can be performed while the pressure welding material is pressed by reduction, and diffusion bonding can be performed simultaneously with the pressure welding.
- the diffusion annealing temperature is set within a temperature range in which any layer of the clad material does not melt. In the cold rolling, intermediate annealing may be performed as necessary. Furthermore, you may perform cold rolling for plate
- a thin plate, sheet or film brazing material is overlaid on the joint alloy layer 1 of the clad material of the first embodiment manufactured in advance.
- the bonding alloy layer 1 and the brazing filler metal layer 21 can be pressure-contacted by reducing the polymer material.
- the brazing material layer 21 may be simply joined by pressure welding, but if necessary, the welding material may be subjected to diffusion annealing to join the joining alloy layer 1 and the brazing material layer 21 by diffusion joining.
- the aluminum layer 3 may be joined to the joining alloy layer 1 of the clad material of the first embodiment by pressure welding and diffusion annealing.
- the diffusion annealing temperature is about 300 to 550 ° C.
- an aluminum layer 3 When diffusion bonding 4 is used, the diffusion bonding temperature can be raised to a temperature lower by about 20 ° C. than the melting point of aluminum forming the aluminum layer.
- the brazing temperature of pure aluminum can be set to about 600 ° C., or higher than about 640 ° C.
- the obtained clad material was reheated in a hydrogen gas atmosphere at a temperature of 600 ° C. or higher 620 ° C. simulating brazing of aluminum as shown in the table.
- the thickness of the intermetallic compound layer formed between the bonded alloy layer and the counterpart metal layer of the clad material after reheating was measured by an electron microscope, and was about 10 ⁇ m.
- a thin metal plate (thickness 0.5 mm) 53 was sandwiched and heated in a furnace at the temperature shown in Table 3 to produce a brazed composite material. The number of production was 2 points for each sample.
- JIS standard 4004 was used as the aluminum joining brazing material for samples No. 21 to 24, and JIS standard BAg-8 silver brazing was used as the non-aluminum joining brazing material for Nos. 25 to 27.
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Abstract
Description
このクラッド材によれば、前記接合合金層にアルミニウム材を強固にろう付けすることができる。アルミニウム材のろう付けは600℃程度で行われるが、この程度の温度ではクラッド材の非アルミニウム金属層と接合合金層との接合力は劣化しない。このため、アルミニウム材がクラッド材の接合合金層を介して非アルミニウム金属層に強固にろう付けされたアルミニウム接合複合材を容易に提供することができる。
この第2形態のクラッド材によれば、前記接合合金層にアルミニウム材を直接ろう付けした場合より、前記アルミニウム層にアルミニウム材をより強固にろう付けすることができる。このため、アルミニウム材がより強固にろう付けされたアルミニウム接合複合材を容易に提供することができる。
このクラッド材によれば、前記アルミニウム層が強固に接合された接合合金層に鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属で形成された非アルミニウム金属材をろう付け、溶接などの接合法により容易に接合することができる。このため、前記クラッド材の接合合金層に前記非アルミニウム金属材が接合されたアルミニウム接合複合体を容易に提供することができる。また、この第3形態のクラッド材の接合合金層は、Ni濃度が高く、加工性、耐食性、導電線材とのろう付け性や溶接性も良好であるので、クラッド材自体を電池ケースや端子部材などの導電性素材として好適に用いることができる。
このクラッド材によると、ろう材を別途準備することなく、ろう材層を用いてアルミニウム材と接合合金層、あるいは非アルミニウム金属材と接合合金層とを強固にろう付けすることができる。前記ろう材層は、圧接により、あるいは圧接及び拡散接合により接合合金層に接合することができる。
2 非アルミニウム金属層
3,4 アルミニウム層
11 アルミニウム材
11A アルミニウム製冷却器
12 非アルミニウム金属材
21 ろう材層
このクラッド材によると、前記接合合金層1に接合されたアルミニウム層3にアルミニウム材をより強固にろう付けすることができ、非アルミニウム金属層2とアルミニウム材11とが前記接合合金層2及びアルミニウム層3を介してより強固に接合したアルミニウム接合複合材を容易に得ることができる。
表1に示すように、純Ni(Mg=0%)及び種々のMg量のNi-Mg合金を溶製した。その鋳塊(厚さ32mm)を1000℃で熱間圧延して熱間圧延板(板厚8mm)を得た。さらに熱間圧延板に冷間圧延(5パス)を施して冷間圧延板(板厚2mm、幅30mm)を得た。圧延の際、板の加工状態を観察し、その結果を表1に示した。表中、加工性評価を示す記号の「××」は熱間圧延の段階で圧延板が破断したもの、「×」は冷間圧延の段階で圧延板がほぼ破断したもの、「△」は冷間圧延の段階で圧延板の側縁に5mm程度以下の微細な割れが発生したもの、「○」は冷間圧延の段階で割れが皆無のものを示す。また、冷間圧延板からJIS規格の13B号の引張試験片を採取し、その試験片を用いて引張試験を行い、引張強さ、伸びを測定した。その結果を表1に併せて示す。なお、表中「-」は未測定を示す。表1より、Mg量が1.1%以上の合金No. 9、10は加工性が著しく劣り、クラッド用素材として適さないことがわかる。
表1の合金No. 1の純Niからなるニッケル板及びNo. 2~8のNi-Mg合金からなる合金板(板厚2mm、板幅30mm)を接合合金層の元となる板材とし、接合合金層に接合する相手金属層の元となる板材(板厚3mm、板幅30mm)を準備した。接合合金層と相手金属層の材質の組み合わせは表2のとおりである。これらの板材を重ね合わせて冷間圧延により圧接し、板厚2.0mmの圧接材を得た。この圧接材を水素ガス雰囲気下で表2に示す温度条件で拡散焼鈍を施して拡散接合した。さらに、得られたクラッド材を用いて水素ガス雰囲気中で、同表に示すように、アルミニウムのろう付けを模擬した600℃あるいはより高い620℃の温度で再加熱を行った。合金No. 1~8について、再加熱後のクラッド材につき、接合合金層と相手金属層との間に生成した金属間化合物層の厚さを電子顕微鏡により測定したところ、10μm 程度であった。
拡散接合したクラッド材及び再加熱処理したクラッド材から幅10mm、長さ50mmの試験片をそれぞれ2点採取し、接合合金層と相手金属層との接合強度を引き剥がし試験によって調べた。引き剥がし試験は、図7に示すように、クラッド材の端部を少し剥がし、接合合金層41及び相手金属層42の各端部を引張試験機(島津製作所製、型番:AG-10TB)のクランプに固定して、反対方向に引っ張り、引き剥がしに要する荷重をクランプの移動ストロークごとに順次測定するものである。この試験により、引き剥がし荷重が安定するストローク5~15mmにおける平均の荷重(N)を測定し、その平均値から単位幅当たりの接合強さ、すなわち接合強度(N/mm)を求めた。このようにして求めた試験片の接合強度の平均値を表2に併せて示す。引き剥がすことができなかった試料は、接合合金層あるいは相手金属層の最初に剥がした部分で破断した。
表2より、接合合金層と純Alからなる相手金属層とを接合した発明例の試料No. 4~9では、再加熱後においてもクラッド材の接合強度は高く、接合合金層を純Niで形成した場合(試料No. 1)に比べて接合強度が2倍程度以上あり、600℃程度の加熱によっても接合力の低下が抑制されることが確認された。また、接合合金層と、純Cuあるいはステンレス鋼(SUS304)からなる相手金属層とを接合した試料No. 11,12についても、再加熱により接合強度はほとんど劣化しないことが確認された。
実施例1で製造した合金No. 1の純Ni板(板厚2mm)及びNo. 4~6の合金板(板厚2mm)を冷間圧延してそれぞれ板厚1mmの接合合金板とし、各接合合金板よりろう付け用の試験片(幅10mm、長さ50mm)を採取した。一方、表3に示すように、前記試験片にろう付けする相手金属板として、純Al、純Cu、SUS304(ステンレス鋼)、SPCC(冷延鋼板)からなる板厚1mmの金属板を準備し、同幅の試験片を採取した。これらの試験片を、図8に示すように、接合合金板の試験片51及び相手金属板の試験片52をD=10mmとなるようにL字形に折り曲げ、D=10mmの部分の表面にろう材の薄板(板厚0.5mm)53を挟持して、表3に示す温度にて炉中加熱し、ろう付け複合材を製作した。製作数は各試料につき2点とした。ろう付けの際、試料No. 21~24にはアルミニウム接合ろう材としてJIS規格の4004を、No. 25~27には非アルミニウム接合ろう材としてJIS規格BAg-8の銀ろうを用いた。
製作したろう付け複合材を用いて、実施例1と同様、引張試験機で引張開始からろう付けした試験片が完全に剥離するまでの平均荷重を測定し、これを基に接合強度の平均値を求めた。その結果を表3に併せて示す。引き剥がすことができなかった試料は、接合合金板のろう付けしていない部分で破断した。
表3より、接合合金板の試験片に純Al板の試験片をろう付けした、発明例の試料No. 22~24は、接合合金板を純Niで形成した場合(試料No. 21)に比べて、ろう付けによる接合強度が3倍以上優れていることが確認された。また、本発明に係る接合合金板の試験片に純Cu等の非アルミニウム金属板の試験片をろう付けした試料No. 25~27は、いずれも接合合金板のろう付けしていない部分で破断し、ろう付け性に全く問題がないことが確認された。
Claims (13)
- アルミニウムと、鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属を接合するためのNi-Mg合金であって、
前記Ni-Mg合金は本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなる、アルミニウム接合合金。 - 前記Ni-Mg合金はMgを0.10mass%以上、0.70mass%以下を含む、請求項1に記載したアルミニウム接合合金。
- 鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属で形成された非アルミニウム金属層と、本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層とを備え、前記非アルミニウム金属層と接合合金層とが圧接及び拡散接合により接合された、クラッド材。
- さらに、アルミニウム接合ろう材で形成されたろう材層を備え、前記ろう材層と前記接合合金層とが接合された、請求項3に記載したクラッド材。
- さらに、アルミニウムで形成されたアルミニウム層を備え、前記アルミニウム層と前記接合合金層とが圧接及び拡散接合により接合された、請求項3に記載したクラッド材。
- 前記非アルミニウム金属層はステンレス鋼で形成され、前記アルミニウム層は純アルミニウムあるいはAlが90mass%以上含む導電性アルミニウム合金で形成された、請求項5に記載したクラッド材。
- アルミニウムで形成されたアルミニウム層と、本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層とを備え、前記接合合金層とアルミニウム層とが圧接及び拡散接合により接合された、クラッド材。
- 本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層と、アルミニウム接合ろう材あるいは鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属をろう付けするための非アルミニウム金属接合ろう材で形成されたろう材層を備え、
前記ろう材層と接合合金層とが接合された、クラッド材。 - 前記アルミニウム接合合金は、Mgを0.10mass%以上、0.70mass%以下を含む、請求項3から8のいずれか一項に記載したクラッド材。
- 鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属で形成された非アルミニウム金属層と、本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層とを備え、前記非アルミニウム金属層と接合合金層とが圧接及び拡散接合により接合されたクラッド材と、
アルミニウムで形成されたアルミニウム材を備え、
前記アルミニウム材が前記クラッド材の接合合金層にろう付けされた、アルミニウム接合複合材。 - 鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属で形成された非アルミニウム金属層と、本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層と、アルミニウムで形成されたアルミニウム層を備え、前記非アルミニウム金属層と接合合金層、前記接合合金層とアルミニウム層とがそれぞれ圧接及び拡散接合により接合されたクラッド材と、
アルミニウムで形成されたアルミニウム材を備え、
前記アルミニウム材が前記クラッド材のアルミニウム層にろう付けされた、アルミニウム接合複合材。 - 前記非アルミニウム金属層は銅で形成され、前記アルミニウム材として半導体素子を冷却するためのアルミニウム製冷却器が用いられた、請求項10又は11に記載したアルミニウム接合複合材。
- アルミニウムで形成されたアルミニウム層と、本質的にMgを0.08mass%以上、0.90mass%以下を含み、残部Ni及び不可避的不純物からなるアルミニウム接合合金で形成された接合合金層とを備え、前記接合合金層とアルミニウム層とが拡散接合により接合されたクラッド材と、
鉄鋼,銅,ニッケル,チタンから選択されるいずれかの非アルミニウム金属で形成された非アルミニウム金属材を備え、
前記非アルミニウム金属材が前記クラッド材の接合合金層に接合された、アルミニウム接合複合材。
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JP2015227152A (ja) * | 2014-05-09 | 2015-12-17 | 株式会社シマノ | 自転車用部品、自転車用軸部材、自転車用リアスプロケット組立体、及び自転車用レバー部材 |
TWI657007B (zh) * | 2014-05-09 | 2019-04-21 | 島野股份有限公司 | 自行車部件,自行車軸構件,自行車後鏈輪總成,及自行車桿構件 |
JP2017524248A (ja) * | 2014-07-10 | 2017-08-24 | コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングContinental Automotive GmbH | 冷却装置、冷却装置の製造方法及び電力回路 |
US10314208B2 (en) | 2014-07-10 | 2019-06-04 | Continental Automotive Gmbh | Cooling device, method for producing a cooling device and power circuit |
JP2016091702A (ja) * | 2014-10-31 | 2016-05-23 | 北川工業株式会社 | 接触部材 |
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JP2016225532A (ja) * | 2015-06-02 | 2016-12-28 | タツタ電線株式会社 | プリント配線板、プリント配線板用補強部材、及びプリント基板 |
US10159142B2 (en) | 2015-06-02 | 2018-12-18 | Tatsuta Electric Wire & Cable Co., Ltd. | Printed wiring board with a reinforcing member having a diffusion-bonded nickel layer |
JP2021017913A (ja) * | 2019-07-18 | 2021-02-15 | マツダ株式会社 | 自動変速機の摩擦締結装置及びその製造方法 |
JP7502642B2 (ja) | 2020-12-16 | 2024-06-19 | 日本製鉄株式会社 | クラッド材および製造方法 |
Also Published As
Publication number | Publication date |
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EP2662179B1 (en) | 2014-07-30 |
EP2662179A1 (en) | 2013-11-13 |
EP2495067A4 (en) | 2013-01-16 |
US8883318B2 (en) | 2014-11-11 |
EP2495067A1 (en) | 2012-09-05 |
JP4971524B2 (ja) | 2012-07-11 |
JPWO2011052517A1 (ja) | 2013-03-21 |
KR101178035B1 (ko) | 2012-08-29 |
US20120202090A1 (en) | 2012-08-09 |
CN102596488B (zh) | 2013-09-18 |
DK2495067T3 (da) | 2014-07-07 |
CN102596488A (zh) | 2012-07-18 |
KR20120084312A (ko) | 2012-07-27 |
EP2495067B1 (en) | 2014-04-02 |
DK2662179T3 (da) | 2014-10-13 |
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