CN104294196B - A kind of short process making method of Cu-Cr-Zr alloy strip steel rolled stock - Google Patents
A kind of short process making method of Cu-Cr-Zr alloy strip steel rolled stock Download PDFInfo
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- CN104294196B CN104294196B CN201410477959.4A CN201410477959A CN104294196B CN 104294196 B CN104294196 B CN 104294196B CN 201410477959 A CN201410477959 A CN 201410477959A CN 104294196 B CN104294196 B CN 104294196B
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 54
- 239000000956 alloy Substances 0.000 title claims abstract description 54
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 229910017526 Cu-Cr-Zr Inorganic materials 0.000 title claims description 40
- 229910017810 Cu—Cr—Zr Inorganic materials 0.000 title claims description 40
- 239000006104 solid solution Substances 0.000 claims abstract description 28
- 239000000243 solution Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000001360 synchronised Effects 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000012298 atmosphere Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001681 protective Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009776 industrial production Methods 0.000 abstract description 2
- 229910019580 Cr Zr Inorganic materials 0.000 abstract 5
- 239000012467 final product Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 239000012300 argon atmosphere Substances 0.000 description 4
- 238000001192 hot extrusion Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 101700034707 IACS Proteins 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000011031 large scale production Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The invention discloses the short process making method of a kind of Cu Cr Zr alloy strip steel rolled stock, comprise the following steps: 1) blank heating: take Cu Cr Zr alloy casting blank, heat and be incubated, obtaining high temperature blank;2) extruding solid solution is synchronized: being extruded by high temperature blank, the blank squeezed out is placed in water and carries out water seal solution treatment, to obtain final product.The short process making method of the present invention, it is to synchronize extruding solid solution by carrying out after the heating of Cu Cr Zr alloy casting blank, follow-up cold deformation can be directly carried out after solution treatment, substantially reduce technological process, reduce production cost, improve labor efficiency, the problem simultaneously overcoming tradition Cu Cr Zr alloy strip steel rolled stock solid solution difficulty;Gained Cu Cr Zr alloy strip steel rolled stock has mechanical property and the electric property of excellence, has broad application prospects;This short process making method technique is simple, easy to operate, low cost, is suitable for large-scale industrial production.
Description
Technical field
The invention belongs to Cu-Cr-Zr field of alloy preparation technology, be specifically related to the short route of a kind of Cu-Cr-Zr alloy strip steel rolled stock
Preparation method.
Background technology
Cu-Cr-Zr alloy is the structure-function material in copper alloy with high strength and high conductivity with excellent combination physical property and mechanical property
Material, both there is high intensity and good plasticity, inherited again the electric conductivity that fine copper is excellent, be widely used in high-voltage electrical apparatus,
Conticaster crystallizer, high-speed railway contact line, Thermonuclear Experimental reactor cooling wall, microwave tube structure and conductive component, electricity
The fields such as magnetic big gun track, Aero-Space plug connector connecting line, the enforcement to large project is significant.
The traditional mode of production pattern of high-strength highly-conductive Cu-Cr-Zr system alloy is melting → casting → post processing, at present to high-strength highly-conductive
The research of Cu-Cr-Zr system alloy is concentrated mainly in the research to its post processing (technique such as solid solution aging strengthening).At present,
The most commonly used reinforcement technique technique is solution hardening+cold deformation+timeliness, and wherein, it is solid that solution hardening forms supersaturation
Solution, cold deformation can cause the defect such as dislocation, room, to increase nucleation rate during timeliness, is formed highly dispersed during timeliness
Cr particle and Cu3Zr particle is with reinforced alloys.
At present, Cu-Cr-Zr system alloy is most widely used with Strip.The conventional preparation techniques of Cu-Cr-Zr alloy strip steel rolled stock
Comprise the following steps: melting, casting, hot extrusion, post bake, solution treatment, cold deformation, Ageing Treatment.Existing skill
In art, there is again patent CN101733621A to disclose the modification method for preparing of a kind of Cu-Cr-Zr system sheet alloy, specifically wrap
Include following steps: founding, slab hot-rolling, hot rolled plate solid solution, plate surface polishing, cold rolling, timeliness.Above-mentioned preparation method
Although the Cu-Cr-Zr system alloy plate strip that combination property is good can be obtained, but above-mentioned preparation technology generally exist operation many,
Complex process, strip solid solution difficulty, production cycle are long, the problem that cost is high, energy consumption high, disposal of pollutants is serious, it is impossible to full
The needs of foot industrialization large-scale production.
Summary of the invention
It is an object of the invention to provide the short process making method of a kind of Cu-Cr-Zr alloy strip steel rolled stock, solve existing Cu-Cr-Zr
It is alloy plate strip complex manufacturing, the problem of production cycle length.
In order to realize object above, the technical solution adopted in the present invention is: the short route system of a kind of Cu-Cr-Zr alloy strip steel rolled stock
Preparation Method, comprises the following steps:
1) blank heating: take Cu-Cr-Zr alloy casting blank, heats and is incubated, and obtains high temperature blank;
2) extruding solid solution is synchronized: by step 1) gained high temperature blank extrudes, and the blank squeezed out is placed in water and carries out water
Envelope solution treatment, obtains described Cu-Cr-Zr alloy strip steel rolled stock.
Step 1) in, described heating refers to be heated to 850~1050 DEG C;The time of described insulation is 10~90min.
Step 2) in, recipient and the extrusion die of described extruding preheat before use;Preheating temperature be 450~
550℃。
Step 2) in, the temperature of described water is 15~25 DEG C.
The time of described water seal solution treatment is 30~60min.
Step 2) in, after water seal solution treatment, gained solid solution band can directly carry out cold roller and deformed.
Described cold roller and deformed after band under protective atmosphere, carry out Ageing Treatment.
Described protective atmosphere is argon or nitrogen.
The temperature of described Ageing Treatment is 400~600 DEG C, and the time is 0.25~6h.
The temperature of Cu-Cr-Zr alloy hot extrusion is between 900~1050 DEG C, and the traditional solution treatment temperature of this alloy is
950~1000 DEG C, temperature retention time is 10~90min, is therefore fully incubated when carrying out hot extrusion, keeps after making blank extruding
At solid solubility temperature, directly carry out solution treatment, then carry out follow-up cold deformation, be substantially shorter technological process.
The short process making method of the Cu-Cr-Zr alloy strip steel rolled stock of the present invention, is to carry out after the heating of Cu-Cr-Zr alloy casting blank
Synchronize extruding solid solution, be i.e. placed directly within water after extruding and carry out water seal solution treatment, the strand extruding-secondary of traditional handicraft is added
Heat-solution treatment is optimized for extruding and carries out with solution treatment simultaneously, can directly carry out follow-up cold deformation, decrease after solution treatment
Manufacturing procedure, simplifies production technology, substantially reduces technological process, eliminates the equipment investment of post bake heating furnace,
Reduce production cost, improve labor efficiency, the problem simultaneously overcoming tradition Cu-Cr-Zr alloy strip steel rolled stock solid solution difficulty;
Gained Cu-Cr-Zr alloy strip steel rolled stock has mechanical property and the electric property of excellence, has broad application prospects;This short route
Preparation method technique is simple, easy to operate, low cost, is suitable for large-scale industrial production.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.
In detailed description of the invention, Cu-0.33Cr-0.06Zr alloy casting blank used refers in alloy, and the weight/mass percentage composition of Cr is
The weight/mass percentage composition of 0.33%, Zr is 0.06%, and surplus is Cu.
Embodiment 1
The short process making method of the Cu-Cr-Zr alloy strip steel rolled stock of the present embodiment, comprises the following steps:
1) blank heating: take Cu-0.33Cr-0.06Zr alloy casting blank, is heated to 850 DEG C in batch-type furnace, is incubated 90min
Make strand be heated evenly, obtain high temperature blank;
Preheating the recipient in extruder and extrusion die, preheating temperature is 450 DEG C;
2) extruding solid solution is synchronized: by step 1) gained high temperature blank puts in recipient, and extruding punch horizontal movement is to extruding
Within cylinder end face at 20mm, it play the guiding role;Extruder lost motion, extruding punch enters recipient, extrudes;
In extrusion process, the frictional heat produced due to movement of metallic so that the temperature after the extruding of high temperature blank stills remain in solid solution temperature
In degree scope (900~1000 DEG C);Extruding from the recipient other end after blank crimp, the blank squeezed out is in extrusion
Moment enter in the cold water of 15 DEG C and carry out water seal solution treatment, solution time is 60min, obtains solid solution band;
3) cold deformation: by step 2) gained solid solution band carries out polishing, after removing surface, carry out cold roller and deformed;
4) Ageing Treatment: the band after cold roller and deformed is placed in vacuum atmosphere tube furnace, carries out under argon atmosphere
Ageing Treatment, the temperature of Ageing Treatment is 600 DEG C, and the time is 0.25h, obtains described Cu-Cr-Zr alloy strip steel rolled stock.
Embodiment 2
The short process making method of the Cu-Cr-Zr alloy strip steel rolled stock of the present embodiment, comprises the following steps:
1) blank heating: take Cu-0.33Cr-0.06Zr alloy casting blank, is heated to 900 DEG C in batch-type furnace, is incubated 60min
Make strand be heated evenly, obtain high temperature blank;
Preheating the recipient in extruder and extrusion die, preheating temperature is 480 DEG C;
2) extruding solid solution is synchronized: by step 1) gained high temperature blank puts in recipient, and extruding punch horizontal movement is to extruding
Within cylinder end face at 20mm, it play the guiding role;Extruder lost motion, extruding punch enters recipient, extrudes;
In extrusion process, the frictional heat produced due to movement of metallic so that the temperature after the extruding of high temperature blank stills remain in solid solution temperature
In degree scope (900~1000 DEG C);Extruding from the recipient other end after blank crimp, the blank squeezed out is in extrusion
Moment enter in the cold water of 20 DEG C and carry out water seal solution treatment, solution time is 50min, obtains solid solution band;
3) cold deformation: by step 2) gained solid solution band carries out polishing, after removing surface, carry out cold roller and deformed;
4) Ageing Treatment: the band after cold roller and deformed is placed in vacuum atmosphere tube furnace, carries out under argon atmosphere
Ageing Treatment, the temperature of Ageing Treatment is 500 DEG C, and the time is 2h, obtains described Cu-Cr-Zr alloy strip steel rolled stock.
Embodiment 3
The short process making method of the Cu-Cr-Zr alloy strip steel rolled stock of the present embodiment, comprises the following steps:
1) blank heating: take Cu-0.33Cr-0.06Zr alloy casting blank, is heated to 950 DEG C in batch-type furnace, is incubated 30min
Make strand be heated evenly, obtain high temperature blank;
Preheating the recipient in extruder and extrusion die, preheating temperature is 510 DEG C;
2) extruding solid solution is synchronized: by step 1) gained high temperature blank puts in recipient, and extruding punch horizontal movement is to extruding
Within cylinder end face at 20mm, it play the guiding role;Extruder lost motion, extruding punch enters recipient, extrudes;
In extrusion process, the frictional heat produced due to movement of metallic so that the temperature after the extruding of high temperature blank stills remain in solid solution temperature
In degree scope (900~1000 DEG C);Extruding from the recipient other end after blank crimp, the blank squeezed out is in extrusion
Moment enter in the cold water of 25 DEG C and carry out water seal solution treatment, solution time is 460min, obtains solid solution band;
3) cold deformation: by step 2) gained solid solution band carries out polishing, after removing surface, carry out cold roller and deformed;
4) Ageing Treatment: the band after cold roller and deformed is placed in vacuum atmosphere tube furnace, carries out under argon atmosphere
Ageing Treatment, the temperature of Ageing Treatment is 450 DEG C, and the time is 4h, obtains described Cu-Cr-Zr alloy strip steel rolled stock.
Embodiment 4
The short process making method of the Cu-Cr-Zr alloy strip steel rolled stock of the present embodiment, comprises the following steps:
1) blank heating: take Cu-0.33Cr-0.06Zr alloy casting blank, is heated to 1050 DEG C in batch-type furnace, is incubated 10min
Make strand be heated evenly, obtain high temperature blank;
Preheating the recipient in extruder and extrusion die, preheating temperature is 550 DEG C;
2) extruding solid solution is synchronized: by step 1) gained high temperature blank puts in recipient, and extruding punch horizontal movement is to extruding
Within cylinder end face at 20mm, it play the guiding role;Extruder lost motion, extruding punch enters recipient, extrudes;
In extrusion process, the frictional heat produced due to movement of metallic so that the temperature after the extruding of high temperature blank stills remain in solid solution temperature
In degree scope (900~1000 DEG C);Extruding from the recipient other end after blank crimp, the blank squeezed out is in extrusion
Moment enter in the cold water of 20 DEG C and carry out water seal solution treatment, solution time is 30min, obtains solid solution band;
3) cold deformation: by step 2) gained solid solution band carries out polishing, after removing surface, carry out cold roller and deformed;
4) Ageing Treatment: the band after cold roller and deformed is placed in vacuum atmosphere tube furnace, carries out under argon atmosphere
Ageing Treatment, the temperature of Ageing Treatment is 400 DEG C, and the time is 6h, obtains described Cu-Cr-Zr alloy strip steel rolled stock.
Experimental example
Mechanical property and the electric property of embodiment 1~4 gained Cu-Cr-Zr alloy strip steel rolled stock are detected by this experimental example, knot
Fruit is as shown in table 1.
Wherein, comparative example is the Cu-Cr-Zr alloy strip steel rolled stock of conventional preparation techniques gained, and conventional preparation techniques includes following step
Rapid: melting, casting, hot extrusion, post bake, solution treatment, cold deformation, Ageing Treatment.
Table 1 embodiment 1~4 gained Cu-Cr-Zr alloy strip steel rolled stock performance test results
Project | Tensile strength (MPa) | Elongation percentage (%) | Microhardness (HV) | Conductivity (%IACS) |
Embodiment 1 | 580 | 8 | 227 | 85 |
Embodiment 2 | 582 | 7.8 | 230 | 83 |
Embodiment 3 | 578 | 8 | 227 | 84 |
Embodiment 4 | 576 | 8 | 226 | 84 |
Comparative example | 560 | 7.8 | 220 | 82 |
As it can be seen from table 1 embodiment 1~4 gained Cu-Cr-Zr alloy strip steel rolled stock tensile strength, elongation percentage, micro-firmly
Degree and conductivity aspect are superior to traditional handicraft gained alloy strip steel rolled stock.Test result indicate that, the Cu-Cr-Zr alloy strip of the present invention
The short process making method of material not only simplify production technology, substantially reduces technological process, also improves Cu-Cr-Zr alloy
The mechanical property of band and electric property, be suitable for popularization and application.
Claims (2)
1. the short process making method of a Cu-Cr-Zr alloy strip steel rolled stock, it is characterised in that: comprise the following steps:
1) blank heating: take Cu-Cr-Zr alloy casting blank, heats and is incubated, and obtains high temperature blank;
2) extruding solid solution is synchronized: being extruded by step 1) gained high temperature blank, the blank squeezed out is placed in water and carries out water seal solution treatment, obtains described Cu-Cr-Zr alloy strip steel rolled stock;
In described Cu-Cr-Zr alloy casting blank, the weight/mass percentage composition of Cr is 0.33%, and the weight/mass percentage composition of Zr is 0.06%, and surplus is Cu;
Step 2) in, recipient and the extrusion die of described extruding preheat before use;The temperature of preheating is 450~550 DEG C;
Step 2) in, the temperature of described water is 15~25 DEG C;
The time of described water seal solution treatment is 30~60min;
Step 2) in, after water seal solution treatment, gained solid solution band can directly carry out cold roller and deformed;
Described cold roller and deformed after band under protective atmosphere, carry out Ageing Treatment;
The temperature of described Ageing Treatment is 400~600 DEG C, and the time is 0.25~6h.
The short process making method of Cu-Cr-Zr alloy strip steel rolled stock the most according to claim 1, it is characterised in that: in step 1), described heating refers to be heated to 850~1050 DEG C;The time of described insulation is 10~90min.
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CN201410477959.4A CN104294196B (en) | 2014-09-18 | A kind of short process making method of Cu-Cr-Zr alloy strip steel rolled stock |
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CN201410477959.4A CN104294196B (en) | 2014-09-18 | A kind of short process making method of Cu-Cr-Zr alloy strip steel rolled stock |
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CN104294196A CN104294196A (en) | 2015-01-21 |
CN104294196B true CN104294196B (en) | 2017-01-04 |
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