CN106676348A - Machining process of novel high-conductivity heat-resisting aluminum alloy electrician round bar - Google Patents
Machining process of novel high-conductivity heat-resisting aluminum alloy electrician round bar Download PDFInfo
- Publication number
- CN106676348A CN106676348A CN201611155621.2A CN201611155621A CN106676348A CN 106676348 A CN106676348 A CN 106676348A CN 201611155621 A CN201611155621 A CN 201611155621A CN 106676348 A CN106676348 A CN 106676348A
- Authority
- CN
- China
- Prior art keywords
- round bar
- aluminium alloy
- alloy electrician
- high conductivity
- heat resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
-
- 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
- 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
- C22F1/057—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 with copper as the next major constituent
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- 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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Conductive Materials (AREA)
Abstract
The invention provides a machining process of a novel high-conductivity heat-resisting aluminum alloy electrician round bar. According to the machining method, an original aluminum alloy electrician round bar is subject to homogenization treatment for 10 h to 20 h at the temperature ranging from 250 DEG C to 350 DEG C; the aluminum alloy electrician round bar treated in the step one is subject to five to eight passes of rolling treatment, and the total deformation amount ranges from 61% to 83%; flashes of samples obtained after rolling treatment are removed, straightening is carried out, the surfaces of the samples are polished to be smooth with abrasive paper, and the novel high-conductivity heat-resisting aluminum alloy electrician round bar with the diameter being 9.5 mm is manufactured; and an ultrasonic flaw detector is used for conducting nondestructive inspection on the high-conductivity heat-resisting aluminum alloy electrician round bar, and the aluminum rod without cracks or shrinkage holes is put in storage. The performance of the original electrician round bar is obviously improved, and the shortcomings in the prior art are overcome. The machining process belongs to the technical field of power transmission wires.
Description
Technical field
The present invention relates to a kind of processing technique of high conductivity and heat heat resistance aluminium alloy electrician's round bar, belongs to transmission of electricity wire rod technical field.
Background technology
With electric power, the sharp increase of electric appliance demand, requirement more and more higher of the country to transmission line of electricity trnamission capacity,
But at present China's transmission line of electricity be still based on built on stilts steel-cored aluminium strand, due to steel-cored aluminium strand heat resistance it is poor and conductive
Rate is low, and transmission line of electricity trnamission capacity is extremely restricted, and high conductivity and heat heat resistance aluminium alloy electrician's round bar is the important primary material of aluminium alloy conductor
Material, high conductivity and heat heat resistance aluminium alloy conductor is made Jing after wire drawing process, and it has good electricity concurrently while having excellent heat resistance energy
And mechanical property, undoubtedly, a kind of processing technique of high-performance high conductivity and heat heat resistance aluminium alloy electrician's round bar of research and development has important
Economical, societal benefits.
The content of the invention
It is an object of the invention to：A kind of processing technique of new high conductivity and heat heat resistance aluminium alloy electrician's round bar is provided, is made original
Electrician's round bar combination property is obviously improved, and overcomes the deficiencies in the prior art.
To solve the above problems, intend using the processing technique of the new high conductivity and heat heat resistance aluminium alloy electrician's round bar of such a, its
Step includes：
Step one, by original aluminium alloy electrician round bar at a temperature of 250 DEG C~350 DEG C Homogenization Treatments 10h~20h；
Step 2, the aluminium alloy electrician round bar that Jing steps one were processed carries out the process of 5~8 passes, total deformation
For 61%~83%；
Step 3, the sample overlap Jing after rolling process is removed, alignment, and is polished smooth specimen surface with sand paper,
Make new high conductivity and heat heat resistance aluminium alloy electrician's round bar of a diameter of 9.5mm；
Step 4, nondestructive inspection is carried out using reflectoscope to high conductivity and heat heat resistance aluminium alloy electrician round bar, by flawless or
The aluminium bar warehouse-in of shrinkage cavity.
Aforesaid high conductivity and heat heat resistance aluminium alloy electrician round bar component in parts by mass be 0.05%~0.40% antimony,
0.01%~0.30% boron, 0.05%~2.30% copper, 0.05%~0.90% zirconium, 0.03%~0.20% yttrium,
0.02%~0.80% manganese, balance of fine aluminium and inevitable impurity.
It is preferred that, aforementioned high conductivity and heat heat resistance aluminium alloy electrician round bar component in parts by mass be 0.20% antimony, 0.15%
Boron, 0.30% copper, 0.30% zirconium, 0.40% yttrium, 0.80% manganese, balance of fine aluminium and inevitable impurity.
Compared with prior art, the present invention passes through for the universal relatively low problem of heat-resisting aluminium alloy electrician's round bar conductivity
Rationally control addition element species and content, while electrician's round bar heat resistance is ensured electrician's round bar electricity is significantly improved
Performance；Generally there is the unequal microdefect of dendritic segregation, particle size distribution in as-cast aluminum alloy electrician round bar, to electrician's round bar
Homogenization Treatments are carried out, microstructure defect is eliminated, improves alloy property；Match somebody with somebody when heat treatment for this alloying component tested
The rolling mill practice of technology establishment certain variations amount, obtains combination property preferably high conductivity and heat heat resistance aluminium alloy electrician round bar, and it is conductive
Up to 60.9%IACS, tensile strength reaches 146MPa to rate, intensity survival rate be respectively 92.15% (180 DEG C × 400h),
92.5% (230 DEG C × 1h).
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, invention will be made further to retouch in detail below
State.
Embodiment 1：
1. by original aluminium alloy electrician round bar at a temperature of 250 DEG C Homogenization Treatments 10h~20h；
2. the aluminium alloy electrician round bar for Jing steps one being processed carries out the process of 5~8 passes, and total deformation is
61%；
3. the sample overlap Jing after rolling process is removed, alignment, and polished smooth specimen surface with sand paper, made straight
Footpath is new high conductivity and heat heat resistance aluminium alloy electrician's round bar of 9.5mm；
4. nondestructive inspection is carried out to high conductivity and heat heat resistance aluminium alloy electrician round bar using reflectoscope, by flawless or shrinkage cavity
Aluminium bar is put in storage.
High conductivity and heat heat resistance aluminium alloy electrician round bar component in parts by mass be 0.30% antimony, 0.25% boron, 0.15%
Copper, 0.15% zirconium, 0.10% yttrium, 0.55% manganese, balance of fine aluminium and inevitable impurity.
Embodiment 2：
1. by original aluminium alloy electrician round bar at a temperature of 250 DEG C~350 DEG C Homogenization Treatments 10h；
2. the aluminium alloy electrician round bar for Jing steps one being processed carries out 7 passes process, and total deformation is 61%~
83%.
3. the sample overlap Jing after rolling process is removed, alignment, and polished smooth specimen surface with sand paper, made straight
Footpath is new high conductivity and heat heat resistance aluminium alloy electrician's round bar of 9.5mm.
4. nondestructive inspection is carried out to high conductivity and heat heat resistance aluminium alloy electrician round bar using reflectoscope, by flawless or shrinkage cavity
Aluminium bar is put in storage
High conductivity and heat heat resistance aluminium alloy electrician round bar component in parts by mass be 0.20% antimony, 0.35% boron, 0.30%
Copper, 0.22% zirconium, 0.17% yttrium, 0.65% manganese, balance of fine aluminium and inevitable impurity.
Claims (3)
1. a kind of processing technique of new high conductivity and heat heat resistance aluminium alloy electrician's round bar, it is characterised in that comprise the steps：
Step one, by original aluminium alloy electrician round bar at a temperature of 250 DEG C~350 DEG C Homogenization Treatments 10h~20h；
Step 2, the aluminium alloy electrician round bar that Jing steps one were processed carries out the process of 5~8 passes, and total deformation is
61%~83%；
Step 3, the sample overlap Jing after rolling process is removed, alignment, and is polished smooth specimen surface with sand paper, is made
New high conductivity and heat heat resistance aluminium alloy electrician's round bar of a diameter of 9.5mm；
Step 4, carries out nondestructive inspection, by flawless or shrinkage cavity using reflectoscope to high conductivity and heat heat resistance aluminium alloy electrician round bar
Aluminium bar warehouse-in.
2. a kind of processing technique of new high conductivity and heat heat resistance aluminium alloy electrician's round bar according to claim 1, it is characterised in that：Before
The high conductivity and heat heat resistance aluminium alloy electrician round bar stated component in parts by mass be 0.05%~0.40% antimony, 0.01%~0.30%
Boron, 0.05%~2.30% copper, 0.05%~0.90% zirconium, 0.03%~0.20% yttrium, 0.02%~0.80%
Manganese, balance of fine aluminium and inevitable impurity.
3. a kind of processing technique of new high conductivity and heat heat resistance aluminium alloy electrician's round bar according to claim 1, it is characterised in that：Before
State antimony, 0.15% boron, 0.30% copper that high conductivity and heat heat resistance aluminium alloy electrician round bar component in parts by mass is 0.20%,
0.30% zirconium, 0.40% yttrium, 0.80% manganese, balance of fine aluminium and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155621.2A CN106676348A (en) | 2016-12-14 | 2016-12-14 | Machining process of novel high-conductivity heat-resisting aluminum alloy electrician round bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155621.2A CN106676348A (en) | 2016-12-14 | 2016-12-14 | Machining process of novel high-conductivity heat-resisting aluminum alloy electrician round bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106676348A true CN106676348A (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155621.2A Pending CN106676348A (en) | 2016-12-14 | 2016-12-14 | Machining process of novel high-conductivity heat-resisting aluminum alloy electrician round bar |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815868A (en) * | 2015-04-22 | 2015-08-05 | 贵州大学 | Machining process of high-strength and heat-resisting aluminum alloy wires |
| CN106048325A (en) * | 2016-07-21 | 2016-10-26 | 贵州合润铝业新材料科技股份有限公司 | Novel high-conductivity heat-resistant aluminum alloy round bar for electrical engineering |
-
2016
- 2016-12-14 CN CN201611155621.2A patent/CN106676348A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815868A (en) * | 2015-04-22 | 2015-08-05 | 贵州大学 | Machining process of high-strength and heat-resisting aluminum alloy wires |
| CN106048325A (en) * | 2016-07-21 | 2016-10-26 | 贵州合润铝业新材料科技股份有限公司 | Novel high-conductivity heat-resistant aluminum alloy round bar for electrical engineering |
Non-Patent Citations (1)
| Title |
|---|
| 巩向鹏等: "锆、铜及均匀化处理对高导耐热铝合金电工圆杆性能的影响", 《功能材料》 * |
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Application publication date: 20170517 |
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