A kind of rare earth aluminium alloy and preparation method thereofTechnical field
The present invention relates to technical field of alloy material, particularly a kind of rare earth aluminium alloy and preparation method thereof.
Background technology
The use of existing technology or general steel clip or iron clamp aluminum materials nude wire cable cards, resistance, easy to produce oxidation, while the naked wire itself has also undergone oxidation, resulting junction heat, its temperature up to 70 degrees, while accelerating Connect wire line cards and nude further oxidation, its short life.
Summary of the invention
The present invention provides a kind of rare earth aluminium alloy and preparation method thereof, and this duraluminum has intensity height, high antioxidant, high conductivity, stress-free corrosion break tendency, the constant advantage of corrosion resisting property.
To achieve these goals, the present invention provides following technical scheme:
A kind of rare earth aluminium alloy, it is made up of following composition according to mass percent:
Cu:0.6-1%; Si:0.1-0.3%; Fe:0.1-0.7%; Mn:0.1-0.2%; Mg:2.0-2.5%; Zn:0.05-0.25%; Cr:0.15-0.30%; Hafnium boride; 1-3% and Al: surplus.
Preferably, according to mass percent, form by following composition:
Cu:0.8%; Si:0.20%; Fe:0.4%; Mn:0.15%; Mg:2.3%; Zn:0.1%; Cr:0.2%; Hafnium boride; 2.0% and Al: surplus.
A kind of making method of rare earth aluminium alloy, it comprises:
The proportioning that will configure according to technique scheme drops into solution treatment in 650 degrees centigrade to 680 degrees centigrade the solid smelting furnace; Each composition is dissolved and uniform mixing; Liquid metal after the solid solution in 490 to 510 degrees centigrade temperature through the heat extruder extrusion molding, and under 170 degrees centigrade temperature ageing treatment.
Preferably, said solid solution stove is connected with extrusion machine.
Through implementing above technical scheme, have following technique effect: rare earth aluminium alloy provided by the invention and preparation method thereof, this duraluminum have intensity height, high antioxidant, high conductivity, stress-free corrosion break tendency, the constant advantage of corrosion resisting property.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention below in detail.
The embodiment of the invention provides a kind of rare earth aluminium alloy, according to mass percent, is made up of following composition:
Cu:0.6-1%; Si:0.1-0.3%; Fe:0.1-0.7%; Mn:0.1-0.2%; Mg:2.0-2.5%; Zn:0.05-0.25%; Cr:0.15-0.30%; Hafnium boride; 1-3% and Al: surplus.
Embodiment one:
Said rare earth aluminium alloy, according to mass percent, form by following composition:
Cu:0.8%; Si:0.20%; Fe:0.4%; Mn:0.15%; Mg:2.3%; Zn:0.1%; Cr:0.2%; Hafnium boride; 2.0% and Al: surplus.
Embodiment two:
Said rare earth aluminium alloy, according to mass percent, form by following composition:
Cu:1%; Si:0.1%; Fe:0.1%; Mn:0.1%; Mg:2.5%; Zn:0.25%; Cr:0.15%; Hafnium boride; 1% and Al: surplus.
Embodiment three:
Said rare earth aluminium alloy, according to mass percent, form by following composition:
Cu:0.6%; Si:0.3%; Fe:0.2%; Mn:0.2%; Mg:2%; Zn:0.05%; Cr:0.3%; Hafnium boride; 3% and Al: surplus.
The embodiment of the invention also provides a kind of making method of rare earth aluminium alloy, comprising:
The proportioning that will configure according to above-mentioned each embodiment drops into solution treatment in 650 degrees centigrade to 680 degrees centigrade the solid smelting furnace, each composition is dissolved and uniform mixing, because solution treatment itself possesses agitating function, makes each uniform ingredients fused; Liquid metal after the solid solution in 490 to 510 degrees centigrade temperature through the heat extruder extrusion molding, and under 170 degrees centigrade temperature ageing treatment.
In the above-described embodiments, preferably, said solid solution stove is connected with extrusion machine.
Rare earth aluminium alloy provided by the invention and preparation method thereof, this duraluminum have intensity height, high antioxidant, high conductivity, stress-free corrosion break tendency, the constant advantage of corrosion resisting property.
More than a kind of rare earth aluminium alloy that the embodiment of the invention provided and preparation method thereof has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.