CN103924179A - Heat treatment method of zinc-aluminum rolled strip - Google Patents
Heat treatment method of zinc-aluminum rolled strip Download PDFInfo
- Publication number
- CN103924179A CN103924179A CN201410120218.0A CN201410120218A CN103924179A CN 103924179 A CN103924179 A CN 103924179A CN 201410120218 A CN201410120218 A CN 201410120218A CN 103924179 A CN103924179 A CN 103924179A
- Authority
- CN
- China
- Prior art keywords
- rolled strip
- zinc
- aluminium
- aluminium rolled
- 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
- 238000000034 method Methods 0.000 title claims abstract description 55
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910000611 Zinc aluminium Inorganic materials 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title abstract description 12
- 230000008569 process Effects 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 11
- 238000007669 thermal treatment Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Metal Rolling (AREA)
Abstract
The invention discloses a heat treatment method of a zinc-aluminum rolled strip. The heat treatment method is used for improving the plasticity and the stability of the zinc-aluminum rolled strip and comprises the following steps: (1), placing the zinc-aluminum rolled strip in a heating furnace for performing solution treatment at a temperature of 360 DEG C for 4-10 hours; (2), reducing the furnace temperature of the heating furnace to 250 DEG C, and preserving heat of the zinc-aluminum rolled strip at the temperature of 250 DEG C for 2-3 hours; and (3), after heat preservation, continuously reducing the furnace temperature of the heating furnace to 170 DEG C, and then taking the zinc-aluminum rolled strip out to ensure that the zinc-aluminum rolled strip is cooled to a room temperature in air. The zinc-aluminum rolled strip subjected to heat treatment by adopting the heat treatment method disclosed by the invention is subjected to repeated bending tests; the repeated bending times of the zinc-aluminum rolled strip subjected to heat treatment by adopting the heat treatment method disclosed by the invention is increased by 61 percent in comparison with that of an original rolled strip, a stable structure is obtained, and the mouldability is greatly improved. The heat treatment method disclosed by the invention is simple to operate, and strong in practicability; the obtained material is good in plasticity, stable in performance and difficult in aging.
Description
Technical field
The present invention relates to the heat treatment technics field of sheet metal strip, more specifically to a kind of heat treating method of zinc-aluminium rolled strip.
Background technology
At present, zinc-aluminum brazing filler metal is a kind of solder with development prospect, and zinc-aluminium flux-cored wire processing technical process is first casting, then extruding, and then rolling, finally carries out drawing.In extruding and rolling technology therein, material softening is processed and is carried out by recrystallization annealing.Band after rolling is shaped to flux-cored wire through U-shaped drawing, manufactures as required the welding wire of different diameter simultaneously, so before drawing, the plasticity quality of band has directly determined formability.If the plasticity of material is good, can improve the deflection of single pass, reduce the number of times of drawing, enhance productivity.
Simultaneously, under the cooling conditions of casting, the aluminium zinc of high aluminum content (ω >15%) is first separated out α primary phase, generates subsequently peritectoid phase β phase, along with reducing, temperature probably there is eutectic reaction, when reaching 277 ℃ of eutectoid solid state reaction temperature, because speed of cooling is fast, have little time to carry out eutectoid reaction, at room temperature generate supersaturation phase, supersaturation is at room temperature unstable mutually, precipitation easily occurs and separate out, due to the large (r of atomic radius gap of Al, Zn alloy
al=0.1431nm, r
zn=0.1332nm), therefore can cause the size of material unstable, occur " catabiosis ".
Existing result of study shows, the essence of the embrittlement phenomenon of aluminium zinc in long-term put procedure is galvanic corrosion.And the transformation stress that supersaturated solid solution decomposition produces can accelerate embrittlement process.
Treatment process of the present invention is the deficiency based on existing in existing thermal treatment process just, researched and developed a kind of heat treating method of zinc-aluminium rolled strip, the method has improved plasticity-and the stability of rolled strip greatly, improve band single wire drawing deformation quantity, reduction drawing passes, greatly enhances productivity.
Summary of the invention
The object of the present invention is to provide a kind of plasticity that can greatly improve rolled strip, can improve single wire drawing deformation quantity again, reduction drawing passes, and the heat treating method of the zinc-aluminium rolled strip of greatly enhancing productivity.
To achieve these goals, heat treating method of the present invention is as follows:
A heat treating method for zinc-aluminium rolled strip, is characterized in that, comprises the following steps:
(1) described zinc-aluminium rolled strip is put into process furnace and carry out solution treatment 4～10h at 360 ℃ of temperature;
(2) furnace temperature of described process furnace is cooled to 250 ℃, at 250 ℃ of temperature, described zinc-aluminium rolled strip is incubated to 2 h～3h;
(3) after insulation, continue the furnace temperature of described process furnace to be cooled to 170 ℃, then take out described zinc-aluminium rolled strip, make it in air, be cooled to room temperature.
The method according to this invention, after solution treatment, the tissue of described zinc-aluminium rolled strip is by single β phase composite.
The method according to this invention, is as cold as 250 ℃ of insulation certain hours by described zinc-aluminium rolled strip holding furnace and obtains more tiny lamellar structure.
The method according to this invention, when described process furnace is chilled to 200 ℃ or following temperature, makes closely Equilibrium Precipitation of described zinc-aluminium rolled strip.
The method according to this invention, when described zinc-aluminium rolled strip is cooled to room temperature in air, the tissue of described zinc-aluminium rolled strip is mainly by the tiny eutectoid structure of lamellar spacing and the continuous rich Zn phase composite of bulk.
The method according to this invention, the sectional dimension of the zinc-aluminium rolled strip using is 0.40mm * 9mm.
The invention has the beneficial effects as follows: according to heat treating method of the present invention, greatly improved the plasticity of rolled strip, improved its single wire drawing deformation quantity, reduction drawing passes, greatly enhance productivity, rolling band after rolling band and thermal treatment is carried out to alternating bending test, obtain alternating bending frequency, rolling band energy alternating bending 31 times, the sample of processing through heat treating method provided by the invention, alternating bending frequency can reach 50 times, compare with rolled strip, the alternating bending frequency of thermal treatment rolled strip improves 61%, and after processing by present method, obtain the tissue of ambient-temp-stable, can effectively alleviate " catabiosis ", present method is simple to operate, practical, resulting material plasticity is good, stable performance.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the micro-organization chart of the zinc-aluminium rolled strip that process method of the present invention is not processed;
Fig. 2 is the micro-organization chart of the zinc-aluminium rolled strip after method of the present invention is processed.
Embodiment
Below in conjunction with accompanying drawing 1 to Fig. 2, embodiments of the invention are elaborated; the present embodiment is implemented take technical solution of the present invention under prerequisite; provide detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The present invention is directed to the problem existing in the thermal treatment process of prior art, proposed zinc-aluminium rolled strip heat treating method, rolled strip is heat-treated, to increase its plasticity, improve the processability of material.
The method according to this invention, first puts into zinc-aluminium rolled strip process furnace and carry out solution treatment 4 ~ 10h at 360 ℃ of temperature; Then the furnace temperature of process furnace is cooled to 250 ℃, at 250 ℃ of temperature, zinc-aluminium rolled strip is incubated to 2 h ~ 3h; After insulation, continue the furnace temperature of process furnace to be cooled to 170 ℃, then take out zinc-aluminium rolled strip, make it in air, be cooled to room temperature.
Zinc-aluminium rolled strip used in the present invention is band after multi-pass rolling, and its sectional dimension is 0.40mm * 9mm, and tissue is by rich aluminium phase and rich zinc phase composite, and wherein rich zinc is massive texture not of uniform size mutually, and it is netted that rich aluminium is mutually, as shown in Figure 1.
Zinc-aluminium rolled strip after 4h solid solution treatment process at 360 ℃ of temperature is for organizing substantially by single β phase composite.After stove is as cold as 250 ℃ of insulation 2h treatment process, obtain more tiny lamellar structure afterwards.Through stove, be chilled to 170 ℃ again, make closely Equilibrium Precipitation of zinc-aluminium rolling stock.Again by zinc-aluminium rolled strip air cooling to room temperature, obtain stable tissue, main by the tiny eutectoid structure of lamellar spacing and the continuous rich Zn phase composite of bulk, as shown in Figure 2.
After thermal treatment process of the present invention, zinc-aluminium rolled strip all has good plasticity, to not carrying out alternating bending test through the rolling band of thermal treatment process of the present invention and the rolling band after thermal treatment process of the present invention, obtain the experimental data of alternating bending frequency, the rolling band of finding not pass through thermal treatment process of the present invention can only alternating bending 31 times, and the sample of processing through heat treating method provided by the invention, alternating bending frequency can reach 50 times, compare with general rolled strip, the alternating bending frequency of the rolled strip after the inventive method thermal treatment has improved 61%.This is also from a side illustration, and heat treating method of the present invention can improve plasticity-and the stability of zinc-aluminium rolled strip well, and can improve the deflection of single pass, reduces the number of times of drawing, enhances productivity.
In sum, it is only preferred embodiment of the present invention, not be used for limiting scope of the invention process, all equalizations of doing according to the shape described in the claims in the present invention scope, structure, feature and spirit change and modify, and all should be included within the scope of claim of the present invention.
Claims (6)
1. a heat treating method for zinc-aluminium rolled strip, is characterized in that, comprises the following steps:
(1) zinc-aluminium rolled strip is put into process furnace and carried out solution treatment 4～10h at 360 ℃ of temperature;
(2) furnace temperature of described process furnace is cooled to 250 ℃, at 250 ℃ of temperature, described zinc-aluminium rolled strip is incubated to 2 h～3h;
(3) after insulation, continue the furnace temperature of described process furnace to be cooled to 170 ℃, then take out described zinc-aluminium rolled strip, make it in air, be cooled to room temperature.
2. the heat treating method of zinc-aluminium rolled strip according to claim 1, is characterized in that, after solution treatment, the tissue of described zinc-aluminium rolled strip is by single β phase composite.
3. the heat treating method of zinc-aluminium rolled strip according to claim 1, is characterized in that, described zinc-aluminium rolled strip holding furnace is as cold as to 250 ℃ of insulation certain hours and obtains more tiny lamellar structures.
4. the heat treating method of zinc-aluminium rolled strip according to claim 1, is characterized in that, when described process furnace is chilled to 200 ℃ or following temperature, makes closely Equilibrium Precipitation of described zinc-aluminium rolled strip.
5. the heat treating method of zinc-aluminium rolled strip according to claim 1, it is characterized in that, when described zinc-aluminium rolled strip is cooled to room temperature in air, the tissue of described zinc-aluminium rolled strip is mainly by the tiny eutectoid structure of lamellar spacing and the continuous rich Zn phase composite of bulk.
6. the heat treating method of zinc-aluminium rolled strip according to claim 1, is characterized in that, the sectional dimension of described zinc-aluminium rolled strip is 0.40mm * 9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120218.0A CN103924179B (en) | 2014-03-28 | 2014-03-28 | Heat treatment method of zinc-aluminum rolled strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120218.0A CN103924179B (en) | 2014-03-28 | 2014-03-28 | Heat treatment method of zinc-aluminum rolled strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103924179A true CN103924179A (en) | 2014-07-16 |
| CN103924179B CN103924179B (en) | 2017-01-18 |
Family
ID=51142567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410120218.0A Expired - Fee Related CN103924179B (en) | 2014-03-28 | 2014-03-28 | Heat treatment method of zinc-aluminum rolled strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103924179B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825043A (en) * | 2017-01-18 | 2017-06-13 | 王显坤 | The milling method of Zinc-base wear-resisting alloy with high tenacity and low expansion coefficient thin plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948216A (en) * | 1961-02-10 | 1964-01-29 | Asturienne Mines Comp Royale | Improvements in the heat treatment of zinc alloys containing magnesium and aluminium |
| US3862863A (en) * | 1971-07-21 | 1975-01-28 | Noranda Mines Ltd | Heat treatment for wrought zinc-aluminum alloys |
| JP2005194541A (en) * | 2003-12-26 | 2005-07-21 | Kobe Steel Ltd | Zn-Al ALLOY EXCELLENT IN HIGH-SPEED DEFORMATION CHARACTERISTIC, AND ITS MANUFACTURING METHOD |
| CN1974811A (en) * | 2006-12-06 | 2007-06-06 | 宁波博威集团有限公司 | Process of making zinc-base alloy wire and rod with high strength and high toughness |
| CN101194035A (en) * | 2005-06-01 | 2008-06-04 | 株式会社神户制钢所 | Zn-Al alloy having excellent high-speed deformation properties and its making method |
| CN102286715A (en) * | 2011-09-08 | 2011-12-21 | 中南大学 | Deformation Zn-Al alloy stability heat treatment process |
-
2014
- 2014-03-28 CN CN201410120218.0A patent/CN103924179B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948216A (en) * | 1961-02-10 | 1964-01-29 | Asturienne Mines Comp Royale | Improvements in the heat treatment of zinc alloys containing magnesium and aluminium |
| US3862863A (en) * | 1971-07-21 | 1975-01-28 | Noranda Mines Ltd | Heat treatment for wrought zinc-aluminum alloys |
| JP2005194541A (en) * | 2003-12-26 | 2005-07-21 | Kobe Steel Ltd | Zn-Al ALLOY EXCELLENT IN HIGH-SPEED DEFORMATION CHARACTERISTIC, AND ITS MANUFACTURING METHOD |
| CN101194035A (en) * | 2005-06-01 | 2008-06-04 | 株式会社神户制钢所 | Zn-Al alloy having excellent high-speed deformation properties and its making method |
| CN1974811A (en) * | 2006-12-06 | 2007-06-06 | 宁波博威集团有限公司 | Process of making zinc-base alloy wire and rod with high strength and high toughness |
| CN102286715A (en) * | 2011-09-08 | 2011-12-21 | 中南大学 | Deformation Zn-Al alloy stability heat treatment process |
Non-Patent Citations (1)
| Title |
|---|
| 张程勇: "铸造锌铝共析合金的超塑性处理及应用", 《上海金属(有色分册)》, vol. 8, no. 4, 31 August 1987 (1987-08-31), pages 15 - 18 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825043A (en) * | 2017-01-18 | 2017-06-13 | 王显坤 | The milling method of Zinc-base wear-resisting alloy with high tenacity and low expansion coefficient thin plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103924179B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103602840B (en) | A kind of preparation method of titanium zirconium base alloy | |
| CN105200359B (en) | Reduce the heat treatment method of injection 7000 line aluminium alloy product stress of shaping | |
| CN106435418A (en) | Heat treatment technology for improving intercrystalline corrosion resisting performance and stress corrosion resisting performance of 7-series aluminum alloy | |
| CN101956151A (en) | Heat treatment technology of high strength aluminium alloy | |
| CN103934266A (en) | Copper/aluminum composite belt manufacturing method capable of thinning boundary layer | |
| Zhang et al. | Formation of shearing bands in the hot-rolling process of AZ31 alloy | |
| CN110343919A (en) | A kind of aluminium alloy and preparation method thereof that the big intensity of light weight hardness is high | |
| CN103045976A (en) | Heat treatment method capable of improving anti-fatigue performance of aluminum alloy | |
| CN107363096B (en) | The production method of major-diameter thick-wall armoured thermocouple | |
| CN103540877B (en) | A kind of aluminum alloy fin complete processing improving resist collapse performance after soldering | |
| CN110438422A (en) | A kind of heat treatment method of 2219 aluminium alloy of increasing material manufacturing | |
| CN103924179A (en) | Heat treatment method of zinc-aluminum rolled strip | |
| CN103834885A (en) | Thermal treatment method for improving plasticity of aluminum alloy plate material | |
| CN112226711B (en) | Forging method for improving structural uniformity of Ti80 alloy bar for ocean engineering | |
| CN102626724B (en) | Method for producing titanium alloy pipe | |
| CN110205572A (en) | A kind of preparation method of two-phase Ti-Al-Zr-Mo-V titanium alloy forging stick | |
| CN105714221A (en) | Heat treatment process of ZL105 aluminum alloy | |
| CN103599931A (en) | Processing technique of aluminum-clad steel pipe material | |
| CN103924174A (en) | Heat treatment process for processing high temperature-resistant braze welding aluminum/steel composite belt | |
| CN103725998A (en) | Method for enhancing strength of Al-Cu-Mg alloy | |
| CN105671466B (en) | Al-7.2Zn-2.3Mg-0.6Cu-0.11Er-0.1Zr two-stage time effect process | |
| JP6244588B2 (en) | Copper alloy seamless pipe for heat transfer tubes | |
| CN105568190A (en) | Two-stage aging process of Al-5.6Zn-2.1Mg-1.2Cu-0.1Zr-0.1Er alloy | |
| CN109856180A (en) | A kind of Boron Bearing Microalloy Steel heat forming technology determination method for parameter | |
| CN102492879B (en) | Preparation method of aluminum alloy thin-wall tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 |