CN106834832A - A kind of low resistance high-strength aluminum alloy wire and preparation method thereof - Google Patents

A kind of low resistance high-strength aluminum alloy wire and preparation method thereof Download PDF

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Publication number
CN106834832A
CN106834832A CN201510877087.5A CN201510877087A CN106834832A CN 106834832 A CN106834832 A CN 106834832A CN 201510877087 A CN201510877087 A CN 201510877087A CN 106834832 A CN106834832 A CN 106834832A
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China
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low resistance
aluminum alloy
strength aluminum
alloy wire
wire
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CN201510877087.5A
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Chinese (zh)
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黄波
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黄波
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Priority to CN201510877087.5A priority Critical patent/CN106834832A/en
Publication of CN106834832A publication Critical patent/CN106834832A/en

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Abstract

The invention discloses a kind of low resistance high-strength aluminum alloy wire and preparation method thereof, the low resistance high-strength aluminum alloy wire contains following element by mass percentage:0.05%~0.50%Sm, 0.5%~1.5%Zn, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Al and inevitable impurity.The present invention is by adding rare earth element Sm, coordinate the performance of other alloying elements, make this alloy lead wire on the premise of with conductance higher, the mechanical property and decay resistance that optimize alloy lead wire of high degree disclosure satisfy that the demand of long-span electric transmission line.

Description

A kind of low resistance high-strength aluminum alloy wire and preparation method thereof
Technical field
The invention belongs to alloy lead wire preparing technical field, and in particular to a kind of low resistance high-strength aluminum alloy wire and preparation method thereof.
Background technology
With the high speed development of Chinese national economy, the construction of power industry is presented the trend advanced by leaps and bounds, develop in terms of high-pressure trend, high capacity, long distance ionization and extend in the long-span electric transmission line built, the demand of transferring electricity from the west to the east, north and south supply mutually, on national network strategic plan and long-span electric transmission line can not have been met using only traditional wire.
In power industry, the transmission of wire has very big influence to power industry.The material and construction of wire determine the resistance sizes and electrical conductivity of wire.Larger resistance and relatively low electrical conductivity limits application of the wire in power industry, and resistance is excessive, and larger loss is had in power transmission, and the energy is wasted to a certain extent.
In addition, in actual production, the corrosion resistance of aluminium alloy conductor, tensile strength and conductance are conflict bodies, are want on the premise of improving the tensile strength of aluminum conductor and ensureing qualified conductance, preferably decay resistance is obtained, there certainly will be requirement higher to the alloy species and content that add.Therefore the more excellent matching for how obtaining mechanical property, decay resistance and electric conductivity is the main contents of the area research.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of low resistance high-strength aluminum alloy wire and preparation method thereof.The low resistance high-strength aluminum alloy wire is by adding Samarium Nitrate, coordinate the performance of other alloying elements, make this alloy lead wire on the premise of with conductance higher, the mechanical property and decay resistance that optimize alloy lead wire of high degree, disclosure satisfy that the demand of long-span electric transmission line.
To achieve these goals, present invention employs following technical scheme:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.05%~0.50%Sm, 0.5%~1.5%Zn, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Al and inevitable impurity.
Further preferred technical scheme:The low resistance high-strength aluminum alloy wire is by mass percentage containing as follows:0.20%~0.50%Sm, 1.0%~1.5%Zn, 0.005%~0.010%B, 0.03%~0.04%Mo, 0.02%~0.04%Si, 0.1%~0.2%Ru, balance of Al and inevitable impurity.
Further preferred technical scheme:The low resistance high-strength aluminum alloy wire is by mass percentage containing as follows:0.30%Sm, 1.5%Zn, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Al and inevitable impurity.
A kind of method for preparing above-mentioned low resistance high-strength aluminum alloy wire, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, adds elements Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C~800 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 420 DEG C~450 DEG C hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7~9 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
Advantages of the present invention:
1. after measured, its resistivity is 0.0025 Ω mm to alloy lead wire of the invention2/ m~0.0035 Ω mm2/ m, can be widely used in power transmission, effectively reduce the loss of electric power resource.
2. alloy lead wire of the invention passes through the content for adding and controlling the metallic elements such as conductance excellent Sm, Mo, improves the conductance of alloy lead wire;The content of the simultaneously element such as Zn, B, Ru, Si of control mechanics performance and fine corrosion resistance is added, the physicochemical property of alloy lead wire is improved;Coordinate the performance of each alloying element by adding rare earth element Sm, the metallurgical structure of optimized alloy wire is improved well so that alloy lead wire of the invention is provided simultaneously with excellent electric conductivity, mechanical property and decay resistance.
Specific embodiment
With reference to specific embodiment, the present invention is further described, but protection scope of the present invention is not limited solely to the specific record of following examples.
Embodiment 1:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.05%Sm, 0.5%Zn, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, balance of Al and inevitable impurity.
The method for preparing the low resistance high-strength aluminum alloy wire of the present embodiment, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is at 750 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 420 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
Embodiment 2:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.50%Sm, 1.5%Zn, 0.010%B, 0.05%Mo, 0.05%Si, 0.2%Ru, balance of Al and inevitable impurity.
The method for preparing the low resistance high-strength aluminum alloy wire of the present embodiment, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 800 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 450 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 9 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
Embodiment 3:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.30%Sm, 1.5%Zn, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Al and inevitable impurity.
The method for preparing the low resistance high-strength aluminum alloy wire of the present embodiment, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 770 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 440 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 8 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
Embodiment 4:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.20%Sm, 1.0%Zn, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, balance of Al and inevitable impurity.
The method for preparing the low resistance high-strength aluminum alloy wire of the present embodiment, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 420 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
Embodiment 5:
A kind of low resistance high-strength aluminum alloy wire, contains following element by mass percentage:0.50%Sm, 1.5%Zn, 0.010%B, 0.04%Mo, 0.04%Si, 0.2%Ru, balance of Al and inevitable impurity.
The method for preparing the low resistance high-strength aluminum alloy wire of the present embodiment, comprises the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 760 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 430 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 8 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.

Claims (4)

1. a kind of low resistance high-strength aluminum alloy wire, it is characterised in that:Contain following element by mass percentage:0.05%~0.50%Sm, 0.5%~1.5%Zn, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Al and inevitable impurity.
2. low resistance high-strength aluminum alloy wire according to claim 1, it is characterised in that:The low resistance high-strength aluminum alloy wire is by mass percentage containing as follows:0.20%~0.50%Sm, 1.0%~1.5%Zn, 0.005%~0.010%B, 0.03%~0.04%Mo, 0.02%~0.04%Si, 0.1%~0.2%Ru, balance of Al and inevitable impurity.
3. low resistance high-strength aluminum alloy wire according to claim 1, it is characterised in that:The low resistance high-strength aluminum alloy wire is by mass percentage containing as follows:0.30%Sm, 1.5%Zn, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Al and inevitable impurity.
4. a kind of method of the low resistance high-strength aluminum alloy wire prepared as described in claim 1-3 is any, it is characterised in that comprise the following steps:
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively;
Step 2,99.7% technical pure aluminium ingot is put into after being melted in medium-frequency induction furnace, first addition element Sm, Zn, B, insulated and stirred, after stirring, adds elements Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C~800 DEG C;Period is analyzed and adjusts to composition in stove;
Step 3, uses conticaster direct casting, and direct casting is into aluminium alloy cast ingot;Aluminium alloy rod is pressed into 420 DEG C~450 DEG C hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7~9 passages, be prepared into the low resistance high-strength aluminum alloy wire of dimension.
CN201510877087.5A 2015-12-03 2015-12-03 A kind of low resistance high-strength aluminum alloy wire and preparation method thereof CN106834832A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102864344A (en) * 2012-08-30 2013-01-09 安徽太平洋电缆集团有限公司 Rare-earth aluminum alloy conductor for cable and manufacturing method thereof
CN102978477A (en) * 2012-11-09 2013-03-20 安徽欣意电缆有限公司 Al-Fe-Ru-RE aluminum alloy, and preparation method and power cable thereof
CN102978449A (en) * 2012-11-09 2013-03-20 安徽欣意电缆有限公司 Al-Fe-Sb-RE aluminum alloy, and preparation method and power cable thereof
CN104805338A (en) * 2015-05-21 2015-07-29 广西友合铝材有限公司 Rare earth aluminium-iron-copper alloy wire and preparation method thereof
CN104805340A (en) * 2015-05-21 2015-07-29 广西友合铝材有限公司 Rare earth aluminium-magnesium-silicon alloy material and preparation method thereof
CN104818411A (en) * 2015-05-21 2015-08-05 广西友合铝材有限公司 Rare-earth aluminum-magnesium alloy material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102864344A (en) * 2012-08-30 2013-01-09 安徽太平洋电缆集团有限公司 Rare-earth aluminum alloy conductor for cable and manufacturing method thereof
CN102978477A (en) * 2012-11-09 2013-03-20 安徽欣意电缆有限公司 Al-Fe-Ru-RE aluminum alloy, and preparation method and power cable thereof
CN102978449A (en) * 2012-11-09 2013-03-20 安徽欣意电缆有限公司 Al-Fe-Sb-RE aluminum alloy, and preparation method and power cable thereof
CN104805338A (en) * 2015-05-21 2015-07-29 广西友合铝材有限公司 Rare earth aluminium-iron-copper alloy wire and preparation method thereof
CN104805340A (en) * 2015-05-21 2015-07-29 广西友合铝材有限公司 Rare earth aluminium-magnesium-silicon alloy material and preparation method thereof
CN104818411A (en) * 2015-05-21 2015-08-05 广西友合铝材有限公司 Rare-earth aluminum-magnesium alloy material and preparation method thereof

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Application publication date: 20170613