CN104233022A - Aluminum alloy conductor material for cable and annealing process of material - Google Patents
Aluminum alloy conductor material for cable and annealing process of material Download PDFInfo
- Publication number
- CN104233022A CN104233022A CN201410506718.8A CN201410506718A CN104233022A CN 104233022 A CN104233022 A CN 104233022A CN 201410506718 A CN201410506718 A CN 201410506718A CN 104233022 A CN104233022 A CN 104233022A
- Authority
- CN
- China
- Prior art keywords
- conductor material
- alloy conductor
- cable
- annealing process
- temperature
- 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.)
- Granted
Links
Landscapes
- Conductive Materials (AREA)
Abstract
The invention provides an aluminum alloy conductor material for a cable and an annealing process of the material. The annealing process comprises the following steps: placing the aluminum alloy conductor material for the cable in an annealing furnace, raising the temperature to 250-280 DEG C, keeping the temperature for 20-40 minutes, raising the temperature to 320-360 DEG C, keeping the temperature for 15-30 minutes, raising the temperature to 400-440 DEG C, keeping the temperature for 10-25 minutes, raising the temperature to 290-320 DEG C, and keeping the temperature for 60-150 minutes. Compared with the prior art, a trace of alloying elements Fe, Cu, Ti, Zr and Sc are added to the material; the content of each component is controlled; furthermore, the temperature and the time during the annealing process are controlled; the microstructure of the conductor material is adjusted to increase the electric conductivity and the tensile strength of the aluminum alloy conductor material for the cable. The experiments show that the electric conductivity of the aluminum alloy conductor material for the cable after annealing is 65% IACS (International Annealed Copper Standard) (20 DEG C), and the tensile strength is 259 MPa.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, particularly relate to a kind of cable aluminum-alloy conductor material and annealing process thereof.
Background technology
Add up according to association of China Non-Ferrous Metals Industry, end COPPER IN CHINA resource reserve in 2009 about 3,000 ten thousand tons, account for 5% of world's total reserves, but, China uses copper big country as one, annual copper consumption about 6,000,000 tons, wherein electric wire copper consumption accounts for 65% of national copper consumption, accounts for ratio greatly.If do not rely on import, the copper resource of China can use for 5 years at most.Compared with copper material, have abundant bauxite resource by China, wherein, bauxite resource reserves about 2,700,000,000 tons, abundanter than copper ore resource is many.Increasingly mature along with technology, the mankind became effective in aluminum-alloy conductor material aspect developing day, started to break through traditional limitation, met the tendency aluminum-alloy conductor material in power cable.
In field of power transmission, aluminium light weight, inexpensive, and electroconductibility is better, specific tenacity is high, wearability is good, thus occupies superiority at electrical field.At overhead transmission line, especially on supertension line and large cross line, aluminium alloy electric cable becomes the material of main part of overhead power transmission cable gradually.
Cable aluminum-alloy conductor material with the addition of various trace elements and rare earth element on the basis of pure aluminum material, therefore, need through advanced technologies such as anneal, make up the deficiency of fine aluminium cable, make it that there is stronger conductivity, bending property and corrosion resistance nature.Application number be 201310305703.0 Chinese patent literature report a kind of aluminum alloy cable conductor annealing process, comprise the steps: 1) heating step: the aluminum alloy cable conductor after stranded is put into annealing furnace, with the temperature 1.5 hours of 255 DEG C-275 DEG C; 2) incubation step: the aluminum alloy cable conductor completing intensification in step 1) is incubated 3 hours at the temperature of 247 DEG C-253 DEG C; Described annealing process be by press stranded after the whole dish of aluminum alloy cable conductor be placed in annealing furnace and carry out anneal.Application number be 201110060732.6 Chinese patent literature report a kind of method for annealing of rare earth-iron-aluminum alloy conductor material for cables, anneal and to carry out under 280 ~ 360 DEG C × 3 ~ 30h/361 ~ 420 DEG C × 2 ~ 20h, the Fe of 0.20 ~ 1.5wt%, the rare earth element of 0.005 ~ 5wt% is comprised in Rare-earth Iron aluminum alloy materials, other element total contents are no more than 0.5wt%, remaining as Al.But the conductivity of the aluminium alloy conductor of prior art report does not also obtain maximum performance, its conductivity and tensile strength need to be improved further.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of cable aluminum-alloy conductor material and annealing process thereof, and the cable aluminum-alloy conductor material after annealing has higher electric conductivity and tensile strength.
In view of this, the invention provides a kind of cable aluminum-alloy conductor material, comprise following composition:
Fe 0.1-0.3wt％；
Cu 0.2-0.4 wt％；
Ti 0.02-0.04 wt％；
Zr 0.01-0.08 wt％；
Sc 0.003-0.006 wt％；
Surplus is aluminium and inevitable impurity.
Preferably, following composition is comprised:
Fe 0.15-0.25wt％；
Cu 0.28-0.34 wt％；
Ti 0.022-0.03 wt％；
Zr 0.03-0.07 wt％；
Sc 0.004-0.005 wt％；
Surplus is aluminium and inevitable impurity.
Preferably, following composition is comprised:
Fe 0.2-0.24wt％；
Cu 0.3-0.33 wt％；
Ti 0.024-0.026 wt％；
Zr 0.04-0.06 wt％；
Sc 0.0045-0.005 wt％；
Surplus is aluminium and inevitable impurity.
Accordingly, the present invention also provides the annealing process of the cable aluminum-alloy conductor material described in a kind of technique scheme, comprises the following steps:
Cable aluminum-alloy conductor material described in technique scheme is put into annealing furnace by step a), is warming up to 250 ~ 280 DEG C of insulation 20 ~ 40min;
Step b) is warming up to 320 ~ 360 DEG C of insulation 15 ~ 30min;
Step c) is warming up to 400 ~ 440 DEG C of insulation 10 ~ 25min;
Step d) is cooled to 290 ~ 320 DEG C of insulation 60 ~ 150min.
Preferably, the heat-up rate of step a) is 1 ~ 3 DEG C/min.
Preferably, the holding temperature of step a) is 260 ~ 270 DEG C.
Preferably, the heat-up rate of step b) is 1 ~ 3 DEG C/min.
Preferably, the holding temperature of step b) is 330 ~ 350 DEG C.
Preferably, the holding temperature of step c) is 410 ~ 430 DEG C.
Preferably, the holding temperature of step d) is 310 ~ 320 DEG C.
The invention provides a kind of cable aluminum-alloy conductor material and annealing process thereof, comprise the following steps: cable aluminum-alloy conductor material is put into annealing furnace, be warming up to 250 ~ 280 DEG C of insulation 20 ~ 40min; Be warming up to 320 ~ 360 DEG C of insulation 15 ~ 30min; Be warming up to 400 ~ 440 DEG C of insulation 10 ~ 25min; Be cooled to 290 ~ 320 DEG C of insulation 60 ~ 150min.Compared with prior art, the present invention is by adding micro-alloying elements Fe, Cu, Ti, Zr, Sc, control the content of each composition, and, control the temperature and time in annealing process, the microtexture of adjustment conductor material, improves electric conductivity and the tensile strength of cable aluminum-alloy conductor material.Experimental result shows, the electric conductivity of the cable aluminum-alloy conductor material after the present invention's annealing is 65% IACS (20 DEG C), tensile strength is 259MPa.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of cable aluminum-alloy conductor material, comprise following composition:
Fe 0.1-0.3wt％；
Cu 0.2-0.4 wt％；
Ti 0.02-0.04 wt％；
Zr 0.01-0.08 wt％；
Sc 0.003-0.006 wt％；
Surplus is aluminium and inevitable impurity.
Preferably, described cable aluminum-alloy conductor material comprises following composition:
Fe 0.15-0.25wt％；
Cu 0.28-0.34 wt％；
Ti 0.022-0.03 wt％；
Zr 0.03-0.07 wt％；
Sc 0.004-0.005 wt％；
Surplus is aluminium and inevitable impurity.
Preferred, described cable aluminum-alloy conductor material comprises following composition:
Fe 0.2-0.24wt％；
Cu 0.3-0.33 wt％；
Ti 0.024-0.026 wt％；
Zr 0.04-0.06 wt％；
Sc 0.0045-0.005 wt％；
Surplus is aluminium and inevitable impurity.
Wherein, containing a certain amount of iron in aluminium, improve the hardness of aluminium to a certain extent, but the plasticity of aluminium is reduced.Current research shows, iron can improve aluminium conductor intensity, does not significantly reduce its electroconductibility.But iron level is too high, its resistivity can be made significantly to raise, so also should the content of attentional manipulation iron.
In the present invention, the content of copper controls, between 0.2-0.4 wt%, can improve the tensile strength of aluminium alloy, improve elongation simultaneously, is easy to draw processing.Further, adding of Cu can carry heavy alloyed intensity and high temperature creep property, and can improve anti-fatigue performance.
Ti has crystal grain thinning, raising aluminium alloy room temperature tensile intensity and improves the effect of thermotolerance.
Alloy adopts suitable Zr addition in the present invention, and by the compound with Sc, alloying element separated out fully, so can keep high conductivity.A large amount of disperse educt can play the effect of strengthening and stabilizing tissue mutually simultaneously, and the intensity of alloy conductor and resistance toheat can be greatly improved.
Accordingly, the present invention also provides the annealing process of the cable aluminum-alloy conductor material described in a kind of technique scheme, comprises the following steps:
Cable aluminum-alloy conductor material described in technique scheme is put into annealing furnace by step a), is warming up to 250 ~ 280 DEG C of insulation 20 ~ 40min;
Step b) is warming up to 320 ~ 360 DEG C of insulation 15 ~ 30min;
Step c) is warming up to 400 ~ 440 DEG C of insulation 10 ~ 25min;
Step d) is cooled to 290 ~ 320 DEG C of insulation 60 ~ 150min.
Preferably, the heat-up rate of step a is 1 ~ 3 DEG C/min, is more preferably 2 ~ 3 DEG C/min, is more preferably 2.5 ~ 3 DEG C/min; The holding temperature of step a is preferably 260 ~ 270 DEG C, is more preferably 263 ~ 268 DEG C, is more preferably 265 ~ 267 DEG C; The soaking time of step a is preferably 25 ~ 35min, is more preferably 28 ~ 32min, is more preferably 29 ~ 31min.
Then, the cable aluminum-alloy conductor material obtained by step a is warming up to 320 ~ 360 DEG C of insulation 15 ~ 30min.The heat-up rate of step b is 1 ~ 3 DEG C/min, is more preferably 2 ~ 3 DEG C/min, is more preferably 2.5 ~ 3 DEG C/min; The holding temperature of step b is preferably 330 ~ 350 DEG C, is more preferably 340 ~ 350 DEG C, is more preferably 342 ~ 348 DEG C; The soaking time of step b is preferably 18 ~ 23min, is more preferably 19 ~ 22min, is more preferably 20 ~ 22min.
In step c, heat-up rate is preferably 2 ~ 4 DEG C/min, is more preferably 3 ~ 4 DEG C/min, is more preferably 3.5 ~ 4 DEG C/min; The holding temperature of step c is preferably 410 ~ 430 DEG C, is more preferably 420 ~ 430 DEG C, is more preferably 421 ~ 425 DEG C; The soaking time of step c is preferably 10 ~ 30min, is more preferably 15 ~ 25min, is more preferably 18 ~ 21min.
Then, 290 ~ 320 DEG C of insulation 60 ~ 150min are cooled to.The cooling rate of steps d is preferably 1 ~ 4 DEG C/min, is more preferably 1 ~ 2 DEG C/min, is more preferably 1.5 ~ 2 DEG C/min; The holding temperature of steps d is preferably 310 ~ 320 DEG C, is more preferably 312 ~ 316 DEG C, is more preferably 313 ~ 315 DEG C; The soaking time of steps d is preferably 30 ~ 80min, is more preferably 40 ~ 60min, is more preferably 50 ~ 60min.
As can be seen from above scheme, the present invention is by adding micro-alloying elements Fe, Cu, Ti, Zr, Sc, control the content of each composition, and, control the temperature and time in annealing process, the microtexture of adjustment conductor material, improves electric conductivity and the tensile strength of cable aluminum-alloy conductor material.Detect the performance of the cable aluminum-alloy conductor material after annealing process process of the present invention, result shows, the electric conductivity of the cable aluminum-alloy conductor material after the present invention's annealing is 65% IACS (20 DEG C), tensile strength is 259MPa.
In order to understand the present invention further, be described in detail to technical scheme provided by the invention below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
The raw material that the embodiment of the present invention adopts and chemical reagent are commercial.
Embodiment 1
The cable aluminum-alloy conductor material that the present embodiment annealing process adopts comprises following composition:
Fe 0.2wt％；
Cu 0.3 wt％；
Ti 0.03 wt％；
Zr 0.05 wt％；
Sc 0.006 wt％；
Surplus is aluminium and inevitable impurity.
Annealing process is as follows:
Cable aluminum-alloy conductor material is put into annealing furnace by step a), and be warming up to 260 DEG C of insulation 30min, heat-up rate is 3 DEG C/min;
Step b) is warming up to 350 DEG C of insulation 25min, and heat-up rate is 3 DEG C/min;
Step c) is warming up to 420 DEG C of insulation 18min, and heat-up rate is 4 DEG C/min;
Step d) is cooled to 300 DEG C of insulation 60min, and cooling rate is 2 DEG C/min.
Carry out Performance Detection to the cable aluminum-alloy conductor material after the present embodiment anneal, result shows: electric conductivity is 65% IACS (20 DEG C), tensile strength is 259MPa, and unit elongation is 2.8%.
Embodiment 2
The cable aluminum-alloy conductor material that the present embodiment annealing process adopts comprises following composition:
Fe 0.25wt％；
Cu 0.2 wt％；
Ti 0.04 wt％；
Zr 0.07 wt％；
Sc 0.003 wt％；
Surplus is aluminium and inevitable impurity.
Annealing process is as follows:
Cable aluminum-alloy conductor material is put into annealing furnace by step a), and be warming up to 270 DEG C of insulation 30min, heat-up rate is 3 DEG C/min;
Step b) is warming up to 330 DEG C of insulation 25min, and heat-up rate is 3 DEG C/min;
Step c) is warming up to 420 DEG C of insulation 18min, and heat-up rate is 4 DEG C/min;
Step d) is cooled to 290 DEG C of insulation 100min, and cooling rate is 2 DEG C/min.
Carry out Performance Detection to the cable aluminum-alloy conductor material after the present embodiment anneal, result shows: electric conductivity is 66% IACS (20 DEG C), tensile strength is 255MPa, and unit elongation is 2.9%.
Embodiment 3
The cable aluminum-alloy conductor material that the present embodiment annealing process adopts comprises following composition:
Fe 0.12wt％；
Cu 0.4 wt％；
Ti 0.02 wt％；
Zr 0.08 wt％；
Sc 0.005 wt％；
Surplus is aluminium and inevitable impurity.
Annealing process is as follows:
Cable aluminum-alloy conductor material is put into annealing furnace by step a), and be warming up to 250 DEG C of insulation 30min, heat-up rate is 3 DEG C/min;
Step b) is warming up to 360 DEG C of insulation 25min, and heat-up rate is 3 DEG C/min;
Step c) is warming up to 410 DEG C of insulation 18min, and heat-up rate is 4 DEG C/min;
Step d) is cooled to 290 DEG C of insulation 100min, and cooling rate is 2 DEG C/min.
Carry out Performance Detection to the cable aluminum-alloy conductor material after the present embodiment anneal, result shows: electric conductivity is 67% IACS (20 DEG C), tensile strength is 258MPa, and unit elongation is 2.8%.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a cable aluminum-alloy conductor material, is characterized in that, comprises following composition:
Fe 0.1-0.3wt％；
Cu 0.2-0.4 wt％；
Ti 0.02-0.04 wt％；
Zr 0.01-0.08 wt％；
Sc 0.003-0.006 wt％；
Surplus is aluminium and inevitable impurity.
2. cable aluminum-alloy conductor material according to claim 1, is characterized in that, comprises following composition:
Fe 0.15-0.25wt％；
Cu 0.28-0.34 wt％；
Ti 0.022-0.03 wt％；
Zr 0.03-0.07 wt％；
Sc 0.004-0.005 wt％；
Surplus is aluminium and inevitable impurity.
3. cable aluminum-alloy conductor material according to claim 1, is characterized in that, comprises following composition:
Fe 0.2-0.24wt％；
Cu 0.3-0.33 wt％；
Ti 0.024-0.026 wt％；
Zr 0.04-0.06 wt％；
Sc 0.0045-0.005 wt％；
Surplus is aluminium and inevitable impurity.
4. an annealing process for the cable aluminum-alloy conductor material described in claim 1 ~ 3 any one, is characterized in that, comprise the following steps:
Cable aluminum-alloy conductor material described in claim 1 ~ 3 any one is put into annealing furnace by step a), is warming up to 250 ~ 280 DEG C of insulation 20 ~ 40min;
Step b) is warming up to 320 ~ 360 DEG C of insulation 15 ~ 30min;
Step c) is warming up to 400 ~ 440 DEG C of insulation 10 ~ 25min;
Step d) is cooled to 290 ~ 320 DEG C of insulation 60 ~ 150min.
5. annealing process according to claim 4, is characterized in that, the heat-up rate of step a) is 1 ~ 3 DEG C/min.
6. annealing process according to claim 4, is characterized in that, the holding temperature of step a) is 260 ~ 270 DEG C.
7. annealing process according to claim 4, is characterized in that, the heat-up rate of step b) is 1 ~ 3 DEG C/min.
8. annealing process according to claim 4, is characterized in that, the holding temperature of step b) is 330 ~ 350 DEG C.
9. annealing process according to claim 4, is characterized in that, the holding temperature of step c) is 410 ~ 430 DEG C.
10. annealing process according to claim 4, is characterized in that, the holding temperature of step d) is 310 ~ 320 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506718.8A CN104233022B (en) | 2014-09-28 | 2014-09-28 | Aluminum alloy conductor material for cable and annealing process of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506718.8A CN104233022B (en) | 2014-09-28 | 2014-09-28 | Aluminum alloy conductor material for cable and annealing process of material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104233022A true CN104233022A (en) | 2014-12-24 |
| CN104233022B CN104233022B (en) | 2017-01-18 |
Family
ID=52221909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506718.8A Active CN104233022B (en) | 2014-09-28 | 2014-09-28 | Aluminum alloy conductor material for cable and annealing process of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104233022B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525433A (en) * | 2022-04-08 | 2022-05-24 | 中铝河南洛阳铝加工有限公司 | Finished product annealing treatment method of aluminum alloy plate strip for new energy battery |
| CN117038177A (en) * | 2023-08-01 | 2023-11-10 | 广东坚宝电缆有限公司 | High-performance graphite semi-conductive lightning-arrest grounding conductor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007033827A1 (en) * | 2007-07-18 | 2009-01-22 | Technische Universität Clausthal | Aluminum casting alloy and its use |
| CN101423908A (en) * | 2008-12-05 | 2009-05-06 | 广东吉青电缆实业有限公司 | High conductivity, high intensity and heat resisting aluminum alloy conducting wire and method for producing the same and conducting wire |
| CN101974709A (en) * | 2010-09-21 | 2011-02-16 | 安徽欣意电缆有限公司 | Super-soft aluminum alloy conductor and preparation method thereof |
| CN102978453A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-In-RE aluminum alloy, and preparation method and power cable thereof |
| CN103695736A (en) * | 2013-12-20 | 2014-04-02 | 广西博士海意信息科技有限公司 | Aluminum alloy conductor for cables and preparation method thereof |
-
2014
- 2014-09-28 CN CN201410506718.8A patent/CN104233022B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007033827A1 (en) * | 2007-07-18 | 2009-01-22 | Technische Universität Clausthal | Aluminum casting alloy and its use |
| CN101423908A (en) * | 2008-12-05 | 2009-05-06 | 广东吉青电缆实业有限公司 | High conductivity, high intensity and heat resisting aluminum alloy conducting wire and method for producing the same and conducting wire |
| CN101974709A (en) * | 2010-09-21 | 2011-02-16 | 安徽欣意电缆有限公司 | Super-soft aluminum alloy conductor and preparation method thereof |
| CN102978453A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-In-RE aluminum alloy, and preparation method and power cable thereof |
| CN103695736A (en) * | 2013-12-20 | 2014-04-02 | 广西博士海意信息科技有限公司 | Aluminum alloy conductor for cables and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李卫红: "电线电缆用Al-Fe-Cu合金组织与性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》, no. 3, 15 March 2013 (2013-03-15) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525433A (en) * | 2022-04-08 | 2022-05-24 | 中铝河南洛阳铝加工有限公司 | Finished product annealing treatment method of aluminum alloy plate strip for new energy battery |
| CN114525433B (en) * | 2022-04-08 | 2023-11-10 | 中铝河南洛阳铝加工有限公司 | Finished product annealing treatment method of aluminum alloy plate strip for new energy battery |
| CN117038177A (en) * | 2023-08-01 | 2023-11-10 | 广东坚宝电缆有限公司 | High-performance graphite semi-conductive lightning-arrest grounding conductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104233022B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104946936B (en) | A kind of aerial condutor high conductivity rare earth duralumin monofilament material | |
| CN103388090B (en) | A kind of high-strength, high connductivity, deep drawing quality rare-earth copper alloy and preparation method thereof | |
| CN103966475B (en) | A kind of copper chromium titanium alloy osculatory and preparation method thereof | |
| CN103382535B (en) | A kind of high-strength, high connductivity, deep drawing quality copper alloy and preparation method thereof | |
| CN106676334B (en) | High-strength high-conductivity aluminium-scandium alloy and its preparation method and application | |
| CN107675048B (en) | Highly conductive middle strength aluminium alloy of one kind and preparation method thereof | |
| CN113737068B (en) | High-strength and high-toughness corrosion-resistant 7xxx series aluminum alloy and processing method thereof | |
| CN109811182A (en) | A kind of aerospace high-intensitive, high conductivity copper alloy stranded conductor and preparation method thereof | |
| CN105839038A (en) | Preparation method for high-strength high-conductivity Cu-Ag-Fe alloy | |
| CN104532067A (en) | Non-heat treatment medium-strength aluminum alloy conductor material and preparation method thereof | |
| CN103667806A (en) | Al-Fe-Ag aluminum alloy, preparation method thereof and aluminum alloy cable | |
| CN107419141B (en) | A kind of Al-Si-Fe-RE-B alloy conductor material and preparation method | |
| CN109136636A (en) | A kind of copper alloy wire and preparation method thereof | |
| CN113278844A (en) | High-strength high-elasticity copper-titanium alloy and manufacturing method thereof | |
| CN106119616A (en) | A kind of high tenacity aluminium alloy automobile line and preparation method | |
| CN106710663B (en) | A kind of high conductivity rare earth aluminium alloy line and preparation method thereof | |
| CN105525162A (en) | Preparation process for improving Al-5.2 Mg-0.3 Mn alloy by adding Zr and rare earth Sc element | |
| CN106435288A (en) | Aluminum alloy conductor for high-strength high-conductivity automobile wires and preparation method | |
| CN104233022A (en) | Aluminum alloy conductor material for cable and annealing process of material | |
| CN102888542A (en) | Preparation method of copper-aluminum alloy electric conductor | |
| CN101225486A (en) | Copper-based in-situ composite material and preparation method thereof | |
| CN107201467B (en) | A kind of heat treatment type Antibacterial aluminum alloy and its heat treatment method | |
| CN111826559A (en) | Aluminum-magnesium-silicon-scandium-boron alloy monofilament and preparation method thereof | |
| CN103667801A (en) | Super-high-conductivity aluminum alloy conductor for power transmission system and preparation method thereof | |
| CN108281213B (en) | Preparation method of rare earth aluminum alloy cable for railway and conductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161024 Address after: Zhoukou City, Henan province 466000 taeho Road No. 1 Applicant after: Zhoukou Power Supply Company of State Grid Henan Electric Power Company Applicant after: State Grid Corporation of China Address before: Zhoukou City, Henan province 466000 taeho Road No. 1 Applicant before: Zhoukou Power Supply Company of State Grid Henan Electric Power Company |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |