WO2013065583A1 - Feuille d'alliage d'aluminium pour borne, garniture de borne et structure de connexion à la borne de fil électrique - Google Patents

Feuille d'alliage d'aluminium pour borne, garniture de borne et structure de connexion à la borne de fil électrique Download PDF

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Publication number
WO2013065583A1
WO2013065583A1 PCT/JP2012/077634 JP2012077634W WO2013065583A1 WO 2013065583 A1 WO2013065583 A1 WO 2013065583A1 JP 2012077634 W JP2012077634 W JP 2012077634W WO 2013065583 A1 WO2013065583 A1 WO 2013065583A1
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Prior art keywords
aluminum alloy
terminal
terminal fitting
fitting
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PCT/JP2012/077634
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English (en)
Japanese (ja)
Inventor
鉄也 桑原
啓之 小林
肇 太田
義幸 高木
西川　太一郎
中井　由弘
拓次 大塚
小野　純一
平井　宏樹
古川　欣吾
Original Assignee
住友電気工業株式会社
株式会社オートネットワーク技術研究所
住友電装株式会社
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Priority to JP2013541745A priority Critical patent/JP6090167B2/ja
Publication of WO2013065583A1 publication Critical patent/WO2013065583A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to an aluminum alloy plate for a terminal used as a material for a terminal fitting, a terminal fitting formed from the aluminum alloy plate and attached to an aluminum base wire, and an end connection structure of an electric wire provided with the terminal fitting. is there.
  • the present invention relates to an aluminum alloy plate for terminals from which a terminal metal fitting that is difficult to relieve stress is obtained.
  • terminal fittings Conventionally, electric wires of mobile devices such as automobiles and airplanes, industrial devices such as robots, etc. are used by removing the insulating layer at the ends to expose the conductors and attaching terminal fittings to the exposed portions.
  • terminal fittings There are various types of terminal fittings.
  • a male terminal fitting 100M having a fitting portion 140 there is a male terminal fitting 100M having a fitting portion 140.
  • Each of the female terminal fitting 100F and the male terminal fitting 100M shown in FIG. 1 is a crimp type wire barrel portion (crimping portion) that crimps and connects the conductor 210 as a conductor connecting portion that connects the conductor 210 included in the electric wire 200.
  • the wire barrel portion 110 includes a pair of crimping pieces as shown in FIG. 1 (A), and the crimping pieces are folded and compressed so as to wrap the conductor 210 as shown in FIG. 1 (B). .
  • the female terminal fitting 100F includes a cylindrical female fitting part 130 extending on one side of the wire barrel part 110, and includes elastic pieces 131 and 132 arranged to face each other inside the cylindrical body (FIG. 1 (A) ).
  • a rod-shaped male fitting portion 140 is extended on one side of the wire barrel portion 110.
  • FIG. 1 (B) when the rod-shaped male fitting portion 140 is inserted into the cylindrical body of the female fitting portion 130, the male fitting portion 140 is firmly held by the urging force of the elastic pieces 131 and 132.
  • Both terminal fittings 100F and 100M are electrically connected.
  • FIG. 1 only the female fitting part 130 is shown in cross section for easy understanding.
  • the main constituent materials for the conductors of electric wires and terminal fittings are copper-based materials such as copper and copper alloys having excellent conductivity.
  • copper-based materials such as copper and copper alloys having excellent conductivity.
  • Al alloy etc. aluminum or aluminum alloy whose specific gravity is about 1/3 of copper as a constituent material of conductors and terminal fittings
  • Patent Document 1 discloses a terminal fitting that combines an aluminum-based molded body having a conductor crimping portion and an iron-based molded body having a fitting portion provided with a spring contact portion (elastic piece).
  • This terminal metal fitting is provided with an elastic piece made of an iron-based material that is generally higher in strength and harder to sag than an Al alloy or the like, so that high contact pressure (spring load) can be secured and high over a long period of time. Contact pressure can be maintained.
  • the crimping force with respect to the conductor of the electric wire is large and does not easily decrease over a long period of time.
  • the crimping force decreases due to stress relaxation, and the crimping part may not be able to sufficiently hold the conductor.
  • the conductor is also easily creep-deformed compared to a copper-based electric wire. If the conductor and the terminal metal fitting cannot be sufficiently contacted due to stress relaxation, problems such as an increase in contact resistance occur.
  • an aluminum alloy in which the connection state between a conductor made of an Al alloy or the like and a terminal fitting made of an aluminum alloy does not loosen with time.
  • the operating temperature is as high as over 100 ° C. Therefore, a terminal fitting that is difficult to relieve stress by heat during use and has excellent heat resistance is desired.
  • the contact pressure (spring load) is sufficiently high in the connection between the terminal fittings and is maintained for a long time.
  • the repulsive force against the urging force by the elastic piece is sufficiently high and the repulsive force is maintained for a long time in the connection between the terminal fittings. Is also desirable.
  • the contact pressure and the repulsive force decrease due to the stress relaxation, problems such as the elastic piece and the fitting portion of another terminal fitting being unable to sufficiently contact or the connection resistance increasing may occur. Therefore, it is desired to develop an aluminum alloy in which the connection state between terminal fittings made of an aluminum alloy is less likely to loosen with time.
  • the terminal fitting As a method of manufacturing the terminal fitting, it is possible to punch the material plate into a predetermined shape and perform press working. In this case, when the thickness of the material plate is increased to some extent, the above-described pressure-bonding force, contact pressure, and repulsive force can be increased. However, when the plate thickness is increased, distortion during plastic working such as press working becomes large and cracking is likely to occur, leading to a decrease in productivity of the terminal fitting. Further, if a material plate having a large plate thickness is used, the terminal fitting is increased in size, which is not preferable for applications that require a reduction in size (for example, automotive applications).
  • one of the objects of the present invention is to provide an aluminum alloy plate for a terminal from which a terminal fitting that is difficult to relieve stress is obtained.
  • Another object of the present invention is to provide a terminal fitting made of an aluminum alloy and less susceptible to stress relaxation.
  • the other object of this invention is to provide the terminal connection structure of the electric wire which provides the said terminal metal fitting.
  • the present invention achieves the above object by specifying the composition of the aluminum alloy.
  • the aluminum alloy plate for terminals of the present invention is used as a material for a terminal fitting to be crimped to an aluminum base wire, and is composed of the following aluminum alloys.
  • This aluminum alloy is, by mass, Si: 0.6% to 1.5%, Mg: 0.7% to 1.3%, Cu: 0.5% to 1.2%, Mn: 0.5% to 1.1%, Fe: 0.02% or more 0.4% or less, Cr: 0.01% to 0.3%, Zn: 0.005% to 0.5%, Ti: 0.01% to 0.2%, Zr: 0.05% to 0.2%, the balance from Al and inevitable impurities Clearly
  • an aluminum base electric wire means the electric wire in which the said conductor was comprised from aluminum or aluminum alloy.
  • the aluminum alloy sheet of the present invention has a low stress relaxation rate and is difficult to relax, as shown in the test examples described later, and is excellent in stress relaxation characteristics at high temperatures.
  • the aluminum alloy plate of the present invention is excellent in mechanical properties at room temperature and has high proof stress as shown in test examples described later.
  • the aluminum alloy plate of the present invention can contribute to miniaturization of the terminal fitting. Furthermore, by reducing the thickness of the aluminum alloy plate of the present invention, it is easy to perform various processes such as plastic processing such as cutting and pressing in the manufacture of terminal fittings, and contribute to the improvement of terminal fitting productivity. Can do.
  • the terminal fitting of the present invention is a terminal fitting including a crimping portion for crimping a conductor of an aluminum-based electric wire and an electrical connection portion that extends from the crimping portion and is electrically connected to another connection target. And an aluminum alloy having a specific composition as described above.
  • the terminal metal fittings manufactured from the aluminum alloy plate of the present invention and the terminal metal fittings of the present invention are aluminum having a specific composition excellent in stress relaxation characteristics at high temperatures and yield strength at room temperature. Since it is made of an alloy, a sufficiently high crimping force can be obtained, and the crimping force hardly decreases even at high temperatures, and a high crimping force can be maintained. Moreover, in the terminal metal fitting etc. of this invention which provides the above-mentioned elastic piece, while being able to obtain a sufficiently high contact pressure, it is difficult for the contact pressure to decrease even at high temperatures, and a high contact pressure can be maintained. .
  • the terminal fitting of the present invention having the above-described rod-shaped fitting portion provides a sufficiently high repulsive force, and the repulsive force does not easily decrease even at high temperatures, and has a high repulsive force over a long period of time. Can be maintained. Therefore, the terminal metal fittings of the present invention are less likely to relieve stress over time, and it is difficult to loosen the connection state with the aluminum base wire and the connection state between the terminal metal fittings over a long period of time, thereby constructing a low resistance connection structure. it can. Moreover, even when the terminal fitting of the present invention is made of a relatively thin aluminum alloy plate, a high pressure-bonding force, a high contact pressure, and a high repulsive force can be realized, and it is small.
  • the electric wire terminal connection structure of the present invention includes an electric wire having a conductor and a terminal fitting attached to an end portion of the conductor.
  • the electric wire is an aluminum-based electric wire in which the conductor is made of aluminum or an aluminum alloy.
  • the said terminal metal fitting is a terminal metal fitting of this invention comprised from the aluminum alloy of the said specific composition.
  • the terminal connection structure of the electric wire of the present invention can maintain low resistance for a long period of time by including the terminal fitting of the present invention that is difficult to relieve stress.
  • the terminal connection structure of the electric wire of the present invention has the same main component of the conductor of the electric wire and the terminal fitting, contact corrosion of dissimilar metals cannot occur, and it is necessary to perform a special treatment for battery corrosion. And excellent productivity.
  • the aluminum alloy further includes a form containing Sr: 0.005% to 0.05% by mass%.
  • the above form is further excellent in stress relaxation characteristics at high temperature and yield strength at room temperature.
  • the aluminum alloy plate for terminals of the present invention As one form of the aluminum alloy plate for terminals of the present invention, a form having a 0.2% proof stress at room temperature of 200 MPa or more can be mentioned.
  • the above-mentioned form has sufficiently high yield strength, for example, even when the thickness is reduced, it is possible to manufacture a terminal fitting that can obtain a high crimping force, a high contact pressure, and a high repulsive force.
  • the stress relaxation rate at 120 ° C. is 50% or less.
  • the above form can be suitably used as a material for terminal fittings used in a high temperature environment because the stress relaxation rate is sufficiently small and excellent in heat resistance even at a high temperature exceeding 100 ° C. Moreover, the terminal metal fitting formed from the aluminum alloy plate of the said form is hard to relieve stress even if it is high temperature.
  • an elastic piece in which the electrical connecting portion is fitted and electrically connected to another terminal fitting, and the fitting portion is disposed oppositely.
  • the above-mentioned form comprising an elastic piece composed of an aluminum alloy having the above-mentioned specific composition can express a sufficiently high contact pressure with respect to the fitting portion of another terminal fitting, and is difficult to relieve stress. High contact pressure can be maintained over a long period of time.
  • the terminal fitting of the present invention and the terminal connection structure of the electric wire of the present invention can be used for various applications.
  • the main component of the conductor of the electric wire and the terminal fitting is aluminum. It can be suitably used.
  • the terminal fitting of the present invention having excellent stress relaxation characteristics at high temperatures as described above, it can be suitably used for an automobile whose operating temperature is about 120 ° C. to 150 ° C.
  • the aluminum alloy plate for terminals of the present invention is excellent in stress relaxation characteristics at high temperature and yield strength at room temperature.
  • FIG. 1 It is a schematic block diagram of a female terminal metal fitting and a male terminal metal fitting, (A) is before fitting of both terminal metal fittings, (B) shows the state which fitted the fitting part of both terminal metal fittings.
  • the element content indicates a mass ratio (%).
  • Si [Aluminum alloy] ⁇ Composition (Si: 0.6% to 1.5%) Si partially dissolves in the matrix (Al) together with Mg, strengthening the aluminum alloy. In addition, Si forms aging precipitates during artificial aging, improves the mechanical properties such as strength of aluminum alloy, and obtains the mechanical properties desired for terminal fittings (especially stress relaxation properties and yield strength). Contribute.
  • Si By containing Si in an amount of 0.6% or more, an aluminum alloy plate or a terminal fitting having excellent stress relaxation characteristics and proof stress can be obtained by appropriately expressing the effects of solid solution strengthening and age hardening.
  • the Si content 1.5% or less, the workability from cast material to a plate with a desired thickness (mainly rollability) and the formability from material plate to terminal fitting (mainly press workability) are hindered.
  • a more preferable Si content is 0.8% or more and 1.4% or less. By being in this range, it is easier to obtain a plate or a terminal fitting having excellent proof stress.
  • Mg 0.7% to 1.3% Mg solidifies and strengthens an aluminum alloy, and at the time of artificial aging, forms an aging precipitate that contributes to improving the strength together with Si, and contributes to obtaining the above-mentioned mechanical properties desired for the terminal fitting.
  • Mg solidifies and strengthens an aluminum alloy, and at the time of artificial aging, forms an aging precipitate that contributes to improving the strength together with Si, and contributes to obtaining the above-mentioned mechanical properties desired for the terminal fitting.
  • Mg 0.7% or more of Mg, sufficient solid solution strengthening and age hardening can be achieved, and by setting the upper limit to 1.3%, coarse crystallized substances and precipitates that are the starting points of cracks as described above The formation of objects can be suppressed.
  • a more preferable Mg content is 0.8% or more and 1.3% or less, and by being within this range, it is easier to obtain a plate or a terminal fitting having excellent proof stress.
  • Cu 0.5% to 1.25%
  • Mg and Si contributes to improving strength and proof stress. Containing 0.5% or more of Cu makes it easy to obtain this effect and excellent heat resistance.
  • the upper limit By setting the upper limit to 1.2%, it is easy to ensure the moldability to the terminal fitting.
  • a more preferable Cu content is 0.7% or more and 1.2% or less, and within this range, it is difficult to relieve stress even at a high temperature, and it is easier to obtain a plate and a terminal fitting having excellent proof stress.
  • Mn partially dissolves in the matrix and strengthens the aluminum alloy by solid solution. Further, Mn forms Al—Mn-based dispersed particles, can refine crystal grains of the alloy structure, and can improve stress relaxation characteristics, yield strength, strength, formability, corrosion resistance, heat resistance, and the like. By containing 0.5% or more of Mn, solid stress strengthening makes it easy to obtain stress-reducing characteristics and plates and terminal fittings with proof stress. By setting the upper limit to 1.1%, coarse crystallization that becomes the starting point of cracking It is possible to suppress the formation of objects and precipitates, and contribute to increasing the strength and proof stress of the plate and terminal fitting. A more preferable Mn content is 0.6% or more and 1.1% or less, and within this range, it is difficult to relieve stress even at high temperatures, and it is easier to obtain a plate and a terminal fitting having excellent proof stress.
  • Fe contributes to the promotion of the fine effect by the crystal refining agent containing Ti at the time of casting in the presence of a group 2 element of the periodic table (for example, Mg or Sr). Containing 0.02% or more of Fe effectively contributes to refinement of aluminum alloy crystal grains, and by setting the upper limit to 0.4%, Fe-based crystallized substances are generated at grain boundaries in the alloy structure. This can suppress a decrease in plastic workability of the aluminum alloy.
  • a more preferable Fe content is 0.05% or more and 0.3% or less, and within this range, it is easier to obtain a plate or a terminal fitting having excellent proof stress.
  • Cr 0.01% to 0.3%) Since Cr forms dispersed particles in the same manner as Mn, it has the effect of preventing the crystal grains of the aluminum alloy from becoming coarse during heat treatment and making the crystal grains finer. The refinement of crystal grains contributes to the improvement of the yield strength and strength of the plate and the formability of the terminal fitting. Cr also has an effect of improving corrosion resistance and heat resistance. Containing 0.01% or more of Cr makes it difficult to relieve stress even at high temperatures, making it easy to obtain high-yield and high-strength plates and terminal fittings, and setting the upper limit to 0.3% can increase the size of crystal grains. It is possible to suppress the crystal grain refinement effect appropriately. A more preferable Cr content is 0.02% or more and 0.25% or less, and by being in this range, it is easy to obtain a plate or a terminal metal fitting that is particularly excellent in heat resistance and difficult to relieve stress even at high temperatures.
  • Zn 0.005% to 0.5%)
  • Zn dissolves in the matrix and contributes to the improvement of the yield strength of the aluminum alloy.
  • Zn in an amount of 0.005% or more, the effect of improving the yield strength can be appropriately exhibited, and by setting the upper limit value to 0.5%, appropriate corrosion resistance can be ensured.
  • the more preferable Zn content is 0.05% or more and 0.25% or less. By being in this range, it is difficult to relieve stress even at high temperatures, and it is easier to obtain a plate and terminal fitting with excellent proof stress. It is easy to ensure the toughness required for molding, and it is easy to obtain plates and terminal fittings that are excellent in workability and corrosion resistance.
  • Ti 0.01% to 0.2%)
  • Ti has the effect of reducing the crystal structure of the cast material, reducing the ratio of columnar crystals in the cast material, and increasing the ratio of equiaxed crystals. Therefore, the rolling property of a cast material and the moldability to a terminal metal fitting can be improved by containing Ti.
  • the refinement of the crystal structure makes it difficult for wrinkles to occur during plastic processing, and a plastic work material (terminal fitting) with less wrinkles and excellent surface properties can be obtained.
  • containing 0.01% or more of Ti the effect of refining crystal grains can be easily obtained, and the higher the content of Ti, the more effective the refining of crystal grains and the reduction of wrinkles associated with miniaturization.
  • the above-mentioned effect tends to be saturated when the Ti content is about 0.2%, and since the formation of coarse intermetallic compounds can be suppressed by not containing Ti excessively, the upper limit is set to 0.2%.
  • a more preferable Ti content is 0.01% or more and 0.1% or less. By being in this range, it is easier to obtain a plate or a terminal fitting having excellent proof stress.
  • B from the fact that the same crystalline structure and Ti has the effect of improving to strength and yield strength fine, it may be mixed in the melt Ti as TiB 2.
  • the content of B in a mass ratio of about 50 ppm or less is allowed.
  • Zr 0.05% to 0.2%)
  • Zr is an element necessary for improving the heat resistance of the aluminum alloy.
  • Zr like Mn and Cr, forms Al-Zr-based dispersed particles, prevents coarsening of the crystal grains of the aluminum alloy during heat treatment, and has the effect of making the crystal grains fine.
  • the miniaturization of the plate contributes to the improvement of the yield strength and strength of the plate and the moldability to the terminal fitting.
  • the preferable Zr content is 0.1% or more and 0.2% or less, and within this range, it is difficult to relieve stress even at high temperatures, and it is easier to obtain a plate or terminal fitting having excellent proof stress.
  • Sr also has a function of refining the crystal structure of the cast material, and by refining the crystal, as described above, it contributes to improving the yield strength and strength of the plate and the formability to the terminal fitting.
  • the yield strength and strength can be improved without embrittlement of the aluminum alloy.
  • it is easy to improve the yield strength and strength, and by setting the upper limit to 0.05%, the embrittlement of the aluminum alloy is effectively suppressed, and the plates and terminals with excellent yield strength and strength. A bracket is obtained.
  • a more preferable Sr content is 0.005% or more and 0.03% or less, and within this range, it is difficult to relieve stress even at high temperatures, and it is easier to obtain a plate or terminal fitting having excellent proof stress.
  • the Sr content is 0.005% or more and 0.03% or less, and the ratio Zr / Sr of Zr content to Sr content is 3 or more and 50 or less, the embrittlement suppression and mechanical properties of the aluminum alloy are achieved. Can be effectively improved.
  • the thickness of the aluminum alloy plate of the present invention or the plate constituting the terminal fitting of the present invention can be selected as appropriate. For example, in automobile applications, it is about 0.1 mm to 0.5 mm. The thinner the thickness, the better the moldability and the smaller and lighter the terminal fitting. The thicker the thickness, the better the crimping force, contact pressure, and repulsion of the terminal fitting. Can do. Manufacturing conditions (for example, degree of processing such as reduction ratio) may be adjusted so as to obtain a desired thickness. The thickness of the plate which comprises the terminal metal fitting manufactured from the aluminum alloy plate of this invention substantially maintains the thickness of the aluminum alloy plate of this invention, and both thickness is substantially equal.
  • the aluminum alloy plate of the present invention is typically a rectangular sheet material cut to a predetermined length.
  • disconnected by the shape of the desired terminal metal fitting, etc. are mentioned.
  • the aluminum alloy plate of the present invention is difficult to relieve stress even at a high temperature exceeding 100 ° C.
  • a specific form although depending on the composition and manufacturing conditions (heat treatment temperature, degree of processing, etc.), for example, a form in which the stress relaxation rate at 120 ° C. satisfies 50% or less can be mentioned.
  • the aluminum alloy plate of the present invention has high yield strength.
  • a form in which the 0.2% proof stress at room temperature satisfies 200 MPa or more can be mentioned.
  • the higher the 0.2% proof stress, the harder the permanent deformation, the less difficult the connection between the conductor and the terminal fitting and the connection between the terminal fittings, 250 MPa or more, 300 MPa or more, particularly 400 MPa or more is preferable. Since the proof stress is high, the residual load is high with time and it is easy to maintain a high stress over a long period of time.
  • the higher the 0.2% proof stress the higher the tensile strength.
  • the tensile strength at room temperature is 250 MPa or more, further 300 MPa or more, particularly 400 MPa or more, especially 500 MPa or more.
  • the aluminum alloy plate of the present invention has high proof stress and high strength as described above, and also has excellent toughness due to crystal refinement as described above. For example, a mode in which the elongation satisfies 1% or more, further 2% or more, particularly 5% or more can be mentioned. Since it is excellent in plastic workability by being excellent in toughness as described above, the aluminum alloy plate of the present invention is subjected to plastic processing such as press processing, and the male terminal fitting 100M and the female terminal fitting 100F as shown in FIG. Such a complicated-shaped terminal fitting can be accurately formed.
  • the aluminum alloy sheet of the present invention depends on the composition and production conditions (heat treatment temperature, degree of processing, etc.), a form in which the electrical conductivity satisfies 35% IACS or more, further 40% IACS or more, particularly 45% IACS or more can be mentioned. . Since the electrical conductivity is high, it can be suitably used as a material for the terminal fitting.
  • terminal metal fitting manufactured from the aluminum alloy plate of the present invention and the terminal metal fitting of the present invention made of the specific aluminum alloy described above are mechanical properties (0.2% proof stress, stress relaxation rate, Properties such as tensile strength and elongation) and conductivity are substantially maintained.
  • the production of the aluminum alloy plate of the present invention can be performed in accordance with a production method of a plate made of a 6000 series alloy (Al-Mg-Si alloy).
  • a production method of a plate made of a 6000 series alloy Al-Mg-Si alloy.
  • it can be produced by a process such as melting / casting ⁇ hot working / cold working ⁇ cold rolling ⁇ various heat treatment (typically solution treatment or aging treatment).
  • pure aluminum and a specific element are prepared and melted as raw materials, and a molten aluminum alloy having a specific composition is produced and cast.
  • a molten aluminum alloy having a specific composition is produced and cast.
  • continuous casting such as a twin roll method or a belt-and-wheel method, or batch casting can be used.
  • Continuous casting can be rapidly solidified, can easily produce long materials, and can be suitably used for mass production of plates.
  • the hot working performed on the cast material is typically hot rolling.
  • the heat accumulated in the cast material can be used for easy hot rolling, energy efficiency is good, and batch-type casting methods are used.
  • the productivity of (cast) rolled material is excellent.
  • the cast rolled material can be performed using, for example, a belt-and-wheel casting machine and a rolling machine connected to the casting machine.
  • An example of such an apparatus is a Properti type continuous casting and rolling mill.
  • An example of cold working is cold rolling.
  • the homogenization treatment is performed on the cast material before processing, the workability of subsequent processing can be improved. Examples of the homogenization treatment conditions include a temperature of about 500 ° C. to 600 ° C. and a holding time of about 0.5 hours to 50 hours.
  • the rolling reduction and the number of passes can be appropriately selected so that an aluminum alloy sheet having a desired thickness can be obtained.
  • an intermediate heat treatment softening treatment
  • the intermediate heat treatment conditions include a temperature of about 300 ° C. to 500 ° C. and a holding time of about 0.1 hours to 10 hours.
  • the total rolling reduction of the cold rolling performed from the final intermediate heat treatment to the solution treatment is, for example, about 30% to 90%.
  • a known process such as a T6 process, a T7 process, a T8 process, or a T9 process can be used.
  • processing conditions known conditions can be used.
  • the solution treatment is about 510 ° C. to 550 ° C.
  • the aging treatment is about 160 ° C. to 180 ° C., and about 5 hours to 30 hours.
  • the aging treatment temperature can be increased to 200 ° C. or more and 250 ° C. or less to obtain the T7 treatment.
  • solution treatment and cold working here, cold rolling
  • an aging treatment is further performed.
  • T9 treatment solution treatment and aging treatment are sequentially performed, and then cold working (here, cold rolling) is further performed.
  • cold working it is possible to improve the yield strength and strength by work hardening of the material.
  • the specific conditions of the T8 treatment and T9 treatment are, for example, the cold treatment after the solution treatment in the T8 treatment, for the solution treatment and the aging treatment, as in the above-mentioned T6 treatment, cold working is exemplified.
  • the total rolling reduction of cold rolling after aging treatment in rolling or T9 treatment is about 5% to 50%.
  • Specific conditions for the pre-aging treatment include about 70 to 120 ° C. and about 1 to 15 hours.
  • the terminal fitting of the present invention is a crimping type including a crimping portion as a wire barrel portion to which a conductor is connected.
  • the crimping part include a pair of crimping pieces and a crimping cylinder. More specifically, there is a form having a U-shaped cross section and a bottom portion on which the conductor of the electric wire is disposed and a pair of crimping pieces standing on the bottom portion and sandwiching the conductor.
  • the wire barrel portion is connected to the conductor by bending and compressing the crimping piece so as to wrap the conductor.
  • the crimping cylinder has a hole into which the conductor is inserted. By inserting a conductor into the hole and compressing in this state, the wire barrel portion is connected to the conductor.
  • the electrical connection portion which is a connection location with another connection target, extends to one side of the above-described crimping portion and is connected to another terminal fitting or electronic device that is the connection target.
  • examples of the electrical connection portion include a rod-shaped male fitting portion 140 and a female fitting portion 130 having elastic pieces 131 and 132 as shown in FIG. There is also a female fitting part which has only one elastic piece.
  • the male fittings are made of the above-described aluminum alloy that excels in stress relaxation characteristics and heat resistance, making it difficult to relieve stress even at high temperatures. .
  • the female fitting portion is made of the above-described aluminum alloy having excellent stress relaxation characteristics and heat resistance. It is difficult to relieve stress.
  • the electrical connection part may be a fastening part including a through hole or a U-shaped piece through which the fastening member is inserted. Or there exists a flat plate member etc. which are inserted in the fitting hole provided in the connection object for an electrical connection part.
  • the terminal fitting of the present invention can be configured to include an insulation barrel portion 120 that crimps the insulating layer 220 of the electric wire 200 on the other side of the crimping portion as shown in FIG.
  • the terminal fitting of the present invention can appropriately utilize the shape of a known crimp-type terminal fitting including a crimping portion and an electrical connection portion.
  • the terminal fitting of the present invention can be configured to have a Sn plating layer (not shown) on at least a part of its surface.
  • the Sn plating layer is provided in the contact area (for example, the contact point between the fitting parts) in the electrical connection part, the soft Sn is deformed so that the terminal fitting and another connection object are sufficiently adhered to each other.
  • a low resistance connection structure can be constructed.
  • the terminal metal fitting of this invention makes the aluminum alloy plate of this invention which consists of an aluminum alloy of the above-mentioned specific composition into a raw material board, this board is stamped into a predetermined shape, and press processing is carried out so that it may become a predetermined shape. It can be manufactured by applying plastic working.
  • Sn plating is performed at any of the stage of the material plate, the stage of the blank piece punched into a predetermined shape, and the stage of the pressed product.
  • a wet plating method such as a displacement plating method or an electroplating method
  • a vacuum plating method such as a plasma sputtering method, or the like can be used.
  • Sn plating is applied to an aluminum alloy, generally, zinc plating is performed to form a Zn layer, and then Sn plating is performed.
  • the Zn layer may elute due to contact corrosion of dissimilar metals, and the Sn plating layer above the Zn layer may disappear. There is no Sn plating layer over a long period of time.
  • the electric wire to which the terminal metal fitting of the present invention is attached is an aluminum-based electric wire including a conductor and an insulating layer provided on the outer periphery of the conductor, and the conductor is made of aluminum or an aluminum alloy (Al alloy or the like). That is, the terminal connection structure of the electric wire of the present invention is a connection structure composed of the same kind of metal (aluminum), which is a connection structure between a terminal fitting made of an aluminum alloy having a specific composition and a conductor made of an Al alloy or the like. There is substantially no battery corrosion between the conductor and the terminal fitting.
  • the aluminum alloy constituting the conductor contains, for example, 0.005% by mass or more and 5.0% by mass or less of one or more elements selected from Fe, Mg, Si, Cu, Zn, Ni, Mn, Ag, Cr and Zr in total. In addition, there may be mentioned those in which the balance is made of Al and impurities.
  • the preferred content of each element is mass%, Fe: 0.005% to 2.2%, Mg: 0.05% to 1.0%, Mn, Ni, Zr, Zn, Cr, and Ag: 0.005% to 0.2% in total Cu: 0.05% to 0.5%, Si: 0.04% to 1.0%.
  • These additive elements can be contained alone or in combination of two or more.
  • Ti and B can be contained in a range of 500 ppm or less (mass ratio).
  • an alloy containing the above additive elements for example, Al-Fe alloy, Al-Fe-Mg alloy, Al-Fe-Mg-Si alloy, Al-Fe-Si alloy, Al-Fe-Mg- (Mn, Ni, Zr, Ag (at least one kind) alloy, Al-Fe-Cu alloy, Al-Fe-Cu- (at least one kind of Mg, Si) alloy, Al-Mg-Si-Cu alloy and the like.
  • a known aluminum alloy wire can be used as the wire constituting the conductor.
  • the wire constituting the conductor may be a single wire, a stranded wire obtained by twisting a plurality of strands, or a compressed wire obtained by compressing a stranded wire.
  • the wire diameter of the wire constituting the conductor (in the case of a stranded wire, the wire diameter of the strand before twisting) can be appropriately selected depending on the application. For example, a wire having a wire diameter of 0.2 mm to 1.5 mm can be mentioned.
  • the wire that constitutes the conductor (strand in the case of stranded wire) has at least one tensile strength of 110 MPa to 200 MPa, 0.2% proof stress of 40 MPa or more, elongation of 10% or more, and conductivity of 58% IACS or more
  • the one that satisfies In particular, a wire with an elongation of 10% or more has excellent impact resistance, and is difficult to break when attaching a terminal fitting to another terminal fitting, connector, electronic device, or the like.
  • the constituent material of the insulating layer examples include various insulating materials such as polyvinyl chloride (PVC), halogen-free resin compositions based on polyolefin resins, and flame retardant compositions.
  • PVC polyvinyl chloride
  • halogen-free resin compositions based on polyolefin resins examples include flame retardant compositions.
  • the thickness of the insulating layer can be appropriately selected in consideration of a desired insulating strength.
  • the conductor can be manufactured, for example, by a process of casting ⁇ hot rolling ( ⁇ homogenization treatment in the case of billet cast material) ⁇ cold wire drawing ( ⁇ softening treatment, twisting / compression, as appropriate). It can. By forming an insulating layer on this conductor, an aluminum-based electric wire can be manufactured.
  • the insulating layer is peeled off at the end portion of the electric wire to expose the conductor, and the exposed portion is arranged and connected to the crimping portion of the terminal fitting of the present invention described above.
  • a conductor is disposed at the bottom of the crimping part, and the crimping piece is bent and further compressed so as to wrap the conductor.
  • the compression state is adjusted so that the crimp height (C / H) becomes a predetermined size (height).
  • an aluminum alloy plate having the composition shown in Table 1 was manufactured in the steps of melting / casting ⁇ hot working / cold working ⁇ intermediate heat treatment ⁇ cold rolling ⁇ heat treatment. More specifically, a melt of pure aluminum was prepared, and an additive element shown in Table 1 was added to the melt to prepare an aluminum alloy melt. The molten metal was appropriately subjected to degassing treatment and foreign matter removal treatment, and then the molten metal was poured into a mold to produce an ingot. The obtained ingot was appropriately subjected to homogenization treatment, and then subjected to hot working (here hot rolling) / cold working (here cold rolling). During the cold working, an intermediate heat treatment (here, softening treatment at 400 ° C.
  • ⁇ 1 hr was performed as necessary to produce a cold worked material having a thickness of 0.5 mm.
  • the obtained cold-worked material was subjected to an intermediate heat treatment (here, 400 ° C. ⁇ 1 hr softening treatment) and then cold-rolled to produce a rolled material having a thickness of 0.25 mm or 0.3 mm.
  • Table 2 shows the processing conditions after cold rolling applied to a rolled material having a thickness of 0.25 mm or 0.3 mm.
  • the T6 treatment was performed at a solution temperature of 510 ° C, 530 ° C, or 550 ° C, and an aging temperature of 175 ° C.
  • the T7 treatment was performed at a solution temperature of 510 ° C. or 550 ° C. and an aging temperature of 200 ° C., 220 ° C., or 250 ° C.
  • a heat treated material aluminum alloy plate having a thickness of 0.25 mm was obtained.
  • the T9 treatment was performed in order after heat treatment (solution treatment and aging) under the conditions shown in Table 2, followed by cold rolling (rolling ratio: 20%), and a thickness of 0.25. mm rolled material (aluminum alloy plate) was obtained.
  • Alloy No. (II) was subjected to T6 treatment under the conditions shown in Table 2 to obtain a heat treated material (aluminum alloy plate) having a thickness of 0.25 mm.
  • T8 treatment was performed under the conditions shown in Table 2 (however, the order was solution treatment ⁇ preliminary aging ⁇ cold rolling (thickness 0.25 mm) ⁇ final aging) and heat treatment material with a thickness of 0.25 mm. (Aluminum alloy plate) was obtained.
  • the initial test load W 0 is that the maximum tensile stress generated when the test piece is elastically deformed is 75% to 80% of the 0.2% proof stress of each sample (the 0.2% proof stress shown in the room temperature characteristics shown in Table 2). was set to be. After applying an initial test load set on the test piece at room temperature, the temperature was raised to 120 ° C. and the load was measured over time. Table 3 shows the residual load (N) and stress relaxation rate (%) after 1000 hours.
  • an aluminum alloy plate having a specific composition has a low stress relaxation rate at a high temperature of 120 ° C., and is excellent in stress relaxation characteristics at a high temperature. Further, it can be seen that an aluminum alloy plate having a specific composition has a high 0.2% proof stress even if it is a thin plate of 0.25 mm, and has an excellent proof stress of 200 MPa or more depending on the sample. Compared to sample No. 100 made of copper alloy, sample No. 100 has a 0.2% proof stress at room temperature, but the stress relaxation rate at high temperature exceeds 60%.
  • samples No.1 to No.13 made of aluminum alloy with a specific composition have a 0.2% proof stress at room temperature equivalent to or lower than that of sample No.100, but have a low stress relaxation rate at high temperatures, 50% or less. It is. In particular, samples No. 1, No. 3, No. 7, and No. 9 have a very low stress relaxation rate of 13% or less, and No. 7 is 10% or less. Accordingly, it can be said that these samples No. 1 to No. 13 can have a residual load equivalent to, or equivalent to, that of sample No. 100 made of a copper alloy over time.
  • the aluminum alloy plate having a specific composition has a smaller stress relaxation rate than the sample No. 100 made of brass. Therefore, when the terminal piece including the elastic piece in the fitting portion is configured by the aluminum alloy plate, for example, like the female terminal metal fitting 100F shown in FIG. 1, the elastic piece is necessary for electrical connection. It is expected that the proof stress required to generate the contact pressure (contact pressure before stress relaxation) may be smaller than that of the copper alloy plate.
  • the proof stress necessary for the stress relaxation rate at 120 ° C. to be 0% is calculated to be about 202 MPa.
  • the proof stress necessary to generate the contact pressure required after stress relaxation is 202 MPa
  • the proof stress required to generate the contact pressure required before stress relaxation is No. 100 made of brass.
  • the sample No. 3 made of a specific aluminum alloy is about 233 MPa
  • the sample No. 8 is about 405 MPa.
  • sample No. 12 and sample No. 13 containing Zr and Sr when comparing sample No. 12 and sample No. 13 containing Zr and Sr, sample No. 13 having a large mass ratio of Zr / Sr has higher 0.2% proof stress and tensile strength. It can be seen that the elongation is not substantially reduced. Furthermore, when Sr is contained, if Sr is contained in the range where Zr / Sr is 3 or more and 50 or less in terms of mass ratio, it is possible to improve the yield strength and strength while suppressing the brittleness of the aluminum alloy as described above. It can be said that it can be planned.
  • Test Example 2 A terminal fitting was produced using the aluminum alloy plate produced in Test Example 1, and this terminal fitting was attached to an aluminum-based electric wire to produce an electric wire with a terminal, and the corrosion resistance was examined.
  • the female terminal fitting 100F shown in FIG. 1 As the terminal fitting made of aluminum alloy, here, the female terminal fitting 100F shown in FIG. 1 was produced, and Sn plating was applied only to the contact region (the surface of the elastic piece). As a comparison, a copper alloy terminal fitting was produced. Specifically, a copper alloy plate similar to sample No. 100 of Test Example 1 was prepared, and prepared by applying Sn plating to the entire surface of this copper alloy plate, using this Sn plated copper alloy plate, A female terminal fitting 100F shown in FIG. 1 was produced.
  • a corrosion test was performed on each of the manufactured electric wires with terminals.
  • the corrosion test was conducted under the following conditions so that the influence of contact corrosion of different metals could be easily understood.
  • NaCl is dissolved in ultrapure water to make a neutral aqueous solution with a concentration of 26% by mass.
  • the obtained powder is sprinkled evenly on the electric wires with terminals of each sample.
  • an aluminum alloy plate made of an aluminum alloy having a specific composition is excellent in stress relaxation characteristics at high temperatures and has a high yield strength. Therefore, by using this aluminum alloy plate as a material for the terminal metal fitting, the obtained terminal metal fitting is difficult to relieve stress even at a high temperature, and the pressure-bonding force is hardly reduced. Further, when the terminal fitting includes an elastic piece, the urging force of the elastic piece is unlikely to decrease, and when the terminal fitting includes a rod-shaped fitting portion, the repulsive force of the fitting portion decreases. It is hard to do.
  • this terminal fitting is less likely to loosen the connection state with a conductor made of an Al alloy or the like or between the terminal fittings, and can maintain a strong connection state for a long period of time. Furthermore, a conductor, a crimping
  • this aluminum alloy plate is excellent in yield strength, it is difficult to relieve stress even when the thickness is reduced. Therefore, by using a thin aluminum plate as the material for the terminal fitting, it is possible to reduce the size and weight of the terminal fitting. Furthermore, when a terminal fitting made of an aluminum alloy having the above specific composition is attached to an aluminum-based electric wire, battery corrosion cannot occur between the terminal fitting and the conductor of the electric wire. Without this, it is possible to construct a low resistance connection structure.
  • the present invention is not limited to the embodiment described above, and can be appropriately changed without departing from the gist of the present invention.
  • the composition of the aluminum alloy, the thickness of the aluminum alloy plate, the shape of the terminal fitting, and the like can be changed as appropriate.
  • the terminal fitting of the present invention and the terminal connection structure of the electric wire of the present invention can be suitably used for, for example, a component member of a wiring structure such as a mobile device such as an automobile or an airplane, or an industrial device such as a robot.
  • the terminal fitting of the present invention and the terminal connection structure of the electric wire of the present invention are lightweight because the main component is aluminum, and thus can be suitably used as a constituent member of an automobile wire harness.
  • the aluminum alloy plate for terminals of the present invention can be suitably used as the material for the terminal fitting of the present invention.

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Abstract

L'invention concerne : une feuille d'alliage d'aluminium destinée à être utilisée dans une borne et à partir de laquelle une garniture de borne non susceptible de relaxer la tension est obtenue ; une garniture de borne non susceptible de relaxer la tension ; et une structure de connexion à la borne de fil électrique équipée de cette garniture de borne. La garniture de borne est configurée à partir d'un alliage d'aluminium contenant Si dans la quantité de 0,6-1,5 % en masse, Mg dans la quantité de 0,7-1,3 % en masse, Cu dans la quantité de 0,5-1,2 % en masse, Mn dans la quantité de 0,5-1,1 % en masse, Fe dans la quantité de 0,02-0,4 % en masse, Cr dans la quantité de 0,01-0,3 % en masse, Zn dans la quantité de 0,005-0,5 % en masse, Ti dans la quantité de 0,01-0,2 % en masse et Zr dans la quantité de 0,05-0,2 % en masse, le reste étant constitué par Al et les impuretés inévitables. Cette garniture de borne est équipée, par exemple, d'une douille de fil (110) à laquelle un conducteur (210) d'un fil électrique de matrice d'aluminium est connecté, et une partie d'engagement (partie d'engagement femelle (130) ou partie d'engagement mâle (140)) qui s'étend à partir de la douille de fil (110) et se connecte électriquement à une autre garniture de borne. En étant configurée à partir d'un alliage d'aluminium ayant une composition spécifique, cette garniture de borne présente une limite élastique élevée et n'est pas susceptible de relaxer la tension même à une température élevée.
PCT/JP2012/077634 2011-11-02 2012-10-25 Feuille d'alliage d'aluminium pour borne, garniture de borne et structure de connexion à la borne de fil électrique WO2013065583A1 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015133588A1 (fr) * 2014-03-05 2015-09-11 古河電気工業株式会社 Borne et procédé de fabrication de borne
WO2015166407A1 (fr) * 2014-04-28 2015-11-05 Ennio Corrado Connecteur électrique comprenant un élément de contact en alliage d'aluminium
JP2017095776A (ja) * 2015-11-26 2017-06-01 矢崎総業株式会社 アルミニウム合金電線及びワイヤーハーネス
CN114665298A (zh) * 2022-04-07 2022-06-24 北京安成通科技发展有限公司 铝合金导体的新能源车载大功率直流电连接器及制造方法
CN117321231A (zh) * 2021-05-20 2023-12-29 住友电气工业株式会社 铝合金板、端子、带端子的电线以及汇流条

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950147A (ja) * 1982-09-14 1984-03-23 Showa Alum Corp 高強度、高靭性アルミニウム合金
JPH11293363A (ja) * 1998-04-08 1999-10-26 Furukawa Electric Co Ltd:The 自動車部材用アルミニウム合金の製造方法及びこれにより得られる自動車部材
JP2000313930A (ja) * 1999-04-28 2000-11-14 Furukawa Electric Co Ltd:The アルミニウム合金製架空線圧縮接続管
JP2004199934A (ja) * 2002-12-17 2004-07-15 Auto Network Gijutsu Kenkyusho:Kk コネクタ端子及びその製造方法
JP2005526901A (ja) * 2001-07-23 2005-09-08 コラス・アルミニウム・バルツプロドウクテ・ゲーエムベーハー 溶接可能な高強度Ａｌ−Ｍｇ−Ｓｉ合金
JP2006527792A (ja) * 2003-06-18 2006-12-07 アルカン レナリュ 鋼構造に対して固定されるＡｌ‐Ｓｉ‐Ｍｇ合金板製の自動車ボディの外表面用部材

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389640A (ja) * 1986-10-01 1988-04-20 Sky Alum Co Ltd 電子電気機器導電部品材料
JP3157068B2 (ja) * 1993-07-05 2001-04-16 古河電気工業株式会社 成形用アルミニウム合金板材の製造方法
JP2002063961A (ja) * 2000-06-07 2002-02-28 Yazaki Corp 雌端子、及び、雌端子と雄端子との接続構造

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950147A (ja) * 1982-09-14 1984-03-23 Showa Alum Corp 高強度、高靭性アルミニウム合金
JPH11293363A (ja) * 1998-04-08 1999-10-26 Furukawa Electric Co Ltd:The 自動車部材用アルミニウム合金の製造方法及びこれにより得られる自動車部材
JP2000313930A (ja) * 1999-04-28 2000-11-14 Furukawa Electric Co Ltd:The アルミニウム合金製架空線圧縮接続管
JP2005526901A (ja) * 2001-07-23 2005-09-08 コラス・アルミニウム・バルツプロドウクテ・ゲーエムベーハー 溶接可能な高強度Ａｌ−Ｍｇ−Ｓｉ合金
JP2004199934A (ja) * 2002-12-17 2004-07-15 Auto Network Gijutsu Kenkyusho:Kk コネクタ端子及びその製造方法
JP2006527792A (ja) * 2003-06-18 2006-12-07 アルカン レナリュ 鋼構造に対して固定されるＡｌ‐Ｓｉ‐Ｍｇ合金板製の自動車ボディの外表面用部材

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015133588A1 (fr) * 2014-03-05 2015-09-11 古河電気工業株式会社 Borne et procédé de fabrication de borne
CN106030918A (zh) * 2014-03-05 2016-10-12 古河电气工业株式会社 端子和端子的制造方法
JPWO2015133588A1 (ja) * 2014-03-05 2017-04-06 古河電気工業株式会社 端子及び端子の製造方法
CN106030918B (zh) * 2014-03-05 2019-01-11 古河电气工业株式会社 端子和端子的制造方法
US10516245B2 (en) 2014-03-05 2019-12-24 Furukawa Electric Co., Ltd. Terminal and method of manufacturing a terminal
WO2015166407A1 (fr) * 2014-04-28 2015-11-05 Ennio Corrado Connecteur électrique comprenant un élément de contact en alliage d'aluminium
JP2017095776A (ja) * 2015-11-26 2017-06-01 矢崎総業株式会社 アルミニウム合金電線及びワイヤーハーネス
CN117321231A (zh) * 2021-05-20 2023-12-29 住友电气工业株式会社 铝合金板、端子、带端子的电线以及汇流条
CN114665298A (zh) * 2022-04-07 2022-06-24 北京安成通科技发展有限公司 铝合金导体的新能源车载大功率直流电连接器及制造方法
CN114665298B (zh) * 2022-04-07 2024-02-23 北京安成通科技发展有限公司 铝合金导体的新能源车载大功率直流电连接器及制造方法

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