CN104294194B - A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers - Google Patents

A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers Download PDF

Info

Publication number
CN104294194B
CN104294194B CN201310296432.7A CN201310296432A CN104294194B CN 104294194 B CN104294194 B CN 104294194B CN 201310296432 A CN201310296432 A CN 201310296432A CN 104294194 B CN104294194 B CN 104294194B
Authority
CN
China
Prior art keywords
temperature
aluminium alloy
erichsen
casting
ingot casting
Prior art date
Application number
CN201310296432.7A
Other languages
Chinese (zh)
Other versions
CN104294194A (en
Inventor
曹晓国
曹旷
Original Assignee
大力神铝业股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 大力神铝业股份有限公司 filed Critical 大力神铝业股份有限公司
Priority to CN201310296432.7A priority Critical patent/CN104294194B/en
Publication of CN104294194A publication Critical patent/CN104294194A/en
Application granted granted Critical
Publication of CN104294194B publication Critical patent/CN104294194B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/047Changing 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 magnesium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/06Making alloys with the use of special agents for refining or deoxidising
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08Alloys based on aluminium with magnesium as the next major constituent with silicon

Abstract

The present invention is a kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers, readjust during 3104 aluminium alloy smeltings and optimize the mass fraction that each chemical composition is shared in this aluminium alloy stock, pass through refine, crystal grain refines, degasification, filter, casting, sawing, milling face, homogenization heats, hot rolling, cold rolling, clean trimming, finished product perfect recrystallization is annealed, the normal process steps such as test package process the aluminium alloy strips obtained, the aluminium alloy strips that its more conventional chemical composition of Erichsen number index and subsequent treatment process obtain improves a lot, shortcoming easy to crack after overcoming the 3104 aluminium alloy strips punching presses that routine chemical components produces, and then improve the deep drawability of 3104 alloy materials.

Description

A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers
Technical field
The invention belongs to aluminum alloy materials technical field, more particularly to a kind of method improving 3104 aluminium alloy strips Erichsen numbers.
Background technology
Good deep drawability is to ensure that 3104 aluminium alloy strips are for the smooth key such as " LED television backboard, capacitor case, lamp holder " electronic apparatus parts punch forming.
AEG-process, is named again Erichsen test, is a kind of Sheet Metal Forming Technology performance test, is used to weigh the test method of metal material deep drawability.The result of the test Erichsen number (IE) that AEG-process obtains is the biggest, i.e. shows that the deep drawability of material is the best.
At present, because Erichsen number is the most up to standard, causing 3104 aluminium alloy strips punch formings to rupture is a great problem of domestic Aluminum sheets manufacturing enterprise.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers, the aluminium alloy strips that its more conventional chemical composition of Erichsen number index and subsequent treatment process obtain improves a lot.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
The present invention is a kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers, and described manufacture method comprises the steps:
(1) dispensing: use the material of following percentage by weight carry out alloy proportion, i.e. Si be 0.17~0.25%, Fe be 0.35~0.45%, Cu be 0.15~0.2%, Mn be 0.85~0.95%, Mg be 1.15~1.25%, Zn for≤0.1%, RE (rare earth element) be 0.005~0.02%, Ti be≤0.1%, surplus be Al;
(2) melting: smelting temperature 700 ~ 740 DEG C, and use coverture;
(3) refine: use chlorine and argon that ingot casting carries out refine, refining temperature 720 ~ 740 DEG C;
(4) crystal grain refinement: use grain refiner Al-5Ti-0.2B silk to carry out ingot casting crystal grain refinement, titanium silk addition 1.0kg/tAl;
(5) degasification: use depassing unit to carry out the online degasification of melt;
(6) filter: use 30PPi+40PPi twin-stage ceramic filter plate to filter;
(7) casting: carry out according to casting temperature 680 ~ 725 DEG C, casting speed 45 ~ 55mm/min, hydraulic pressure 0.1 ~ 0.2MPa, the technique of water temperature≤30 DEG C, obtain meeting the rectangle ingot of inner quality standard;
(8) sawing: sawing length 200mm bottom ingot casting, gate part sawing length 100mm;
(9) milling face: ingot casting big facing cut face amount is 8 ~ 12mm/ face, milling face, side is measured is 4 ~ 7mm/ face;
(10) homogenization heating: furnace gas constant temperature 610 DEG C, is incubated 16 ~ 30 hours, ingot casting tapping temperature 500 ~ 535 DEG C;
(11) hot rolling: the ingot casting that thickness is 420 ~ 620mm that (1) ~ (10) are obtained, through 19 ~ 31 passages of hot-rolling mill, it is rolled into the aluminum volume that thickness is 2.5 ~ 7.0mm, finishing temperature 330 ~ 345 DEG C;
(12) cold rolling: the hot rolling blank aluminum that thickness the is 2.5 ~ 7.0mm volume that (11) are obtained, through 5 ~ 9 passages, it is cold-rolled to into the cold rolling aluminum volume that thickness is 0.26 ~ 1.2mm;
(13) trimming is cleaned: the cold rolling aluminum volume (12) obtained is carried out trimming on 2450mm stretch bending-straightening machine, uses high pressure, high-temperature water to clean up the greasy dirt on aluminium strip;
(14) perfect recrystallization annealing: the aluminum volume (13) obtained carries out perfect recrystallization annealing in coil annealing stove, and annealing process is furnace gas temperature 350 ~ 380 DEG C, temperature retention time 9 ~ 20h;
(15) test package: carry out AEG-process, detects band Erichsen number.
The distinguishing feature of the present invention is: the present invention is a kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers, the aluminium alloy strips that its more conventional chemical composition of Erichsen number index and subsequent treatment process obtain improves a lot, Erichsen number is significantly superior, shortcoming easy to crack after overcoming the 3104 aluminium alloy strips punching presses that routine chemical components produces, and then improve the deep drawability of 3104 alloy materials.
Detailed description of the invention
In order to deepen the understanding of the present invention, being described in further detail the present invention below in conjunction with embodiment, this embodiment is only used for explaining the present invention, does not constitute protection scope of the present invention and limits.
As shown in the Examples, the present invention is a kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers, and described manufacture method comprises the steps:
(1) dispensing: use the material of following percentage by weight carry out alloy proportion, i.e. Si be 0.17~0.25%, Fe be 0.35~0.45%, Cu be 0.15~0.2%, Mn be 0.85~0.95%, Mg be 1.15~1.25%, Zn for≤0.1%, RE (rare earth element) be 0.005~0.02%, Ti be≤0.1%, surplus be Al;
Embodiment one, 3104 its alloy proportion of aluminium alloy strips, as follows:
Si is 0.25%, Fe is 0.45%, Cu is 0.2%, Mn is 0.95%, Mg is 1.25%, Zn is 0.1%, RE (rare earth element) is 0.02%, Ti is 0.1%, surplus is Al;
Embodiment two, 3104 its alloy proportion of aluminium alloy strips, as follows:
Si is 0.17%, Fe is 0.35%, Cu is 0.15%, Mn is 0.85%, Mg is 1.15%, Zn is 0.1%, RE (rare earth element) is 0.005%, Ti is 0.1%, surplus is Al;
Embodiment three, 3104 its alloy proportion of aluminium alloy strips, as follows:
Si is 0.2%, Fe is 0.4%, Cu is 0.18%, Mn is 0.9%, Mg is 1.2%, Zn is 0.1%, RE (rare earth element) is 0.012%, Ti is 0.1%, surplus is Al;
(2) melting: smelting temperature 700 ~ 740 DEG C, and use coverture;
(3) refine: use chlorine and argon that ingot casting carries out refine, refining temperature 720 ~ 740 DEG C;
(4) crystal grain refinement: use grain refiner Al-5Ti-0.2B silk to carry out ingot casting crystal grain refinement, titanium silk addition 1.0kg/tAl;
(5) degasification: use depassing unit to carry out the online degasification of melt;
(6) filter: use 30PPi+40PPi twin-stage ceramic filter plate to filter;
(7) casting: carry out according to casting temperature 680 ~ 725 DEG C, casting speed 45 ~ 55mm/min, hydraulic pressure 0.1 ~ 0.2MPa, the technique of water temperature≤30 DEG C, obtain meeting the rectangle ingot of inner quality standard;
(8) sawing: sawing length 200mm bottom ingot casting, gate part sawing length 100mm;
(9) milling face: ingot casting big facing cut face amount is 8 ~ 12mm/ face, milling face, side is measured is 4 ~ 7mm/ face;
(10) homogenization heating: furnace gas constant temperature 610 DEG C, is incubated 16 ~ 30 hours, ingot casting tapping temperature 500 ~ 535 DEG C;
(11) hot rolling: the ingot casting that thickness is 420 ~ 620mm obtained (1) ~ (10), through 19 ~ 31 passages of hot-rolling mill, is rolled into the aluminum volume that thickness is 2.5 ~ 7.0mm, finishing temperature 330 ~ 345 DEG C;
(12) cold rolling: the hot rolling blank aluminum that thickness the is 2.5 ~ 7.0mm volume that (11) are obtained, through 5 ~ 9 passages, it is cold-rolled to into the cold rolling aluminum volume that thickness is 0.26 ~ 1.2mm;
(13) trimming is cleaned: the cold rolling aluminum volume (12) obtained is carried out trimming on 2450mm stretch bending-straightening machine, uses high pressure, high-temperature water to clean up the greasy dirt on aluminium strip;
(14) perfect recrystallization annealing: the aluminum volume (13) obtained carries out perfect recrystallization annealing in coil annealing stove, and annealing process is furnace gas temperature 350 ~ 380 DEG C, temperature retention time 9 ~ 20h;
(15) inspection is according to " GB/T 4156-2007 metal sheet and strip Erichsen test " carry out, testing result Erichsen number IE=9.0 ~ 10mm, and conventional method produces the Erichsen number IE=7.5 ~ 8.5mm of the 3104 aluminium alloy strips detections obtained, the present invention produces, than conventional method, the digital average raising 1.5mm that detection obtains, and i.e. improves 15 ~ 20%.
From above-mentioned testing result, using 3104 aluminium alloy strips of the production of the present invention, Erichsen number is significantly superior, and the deep drawability of material is more preferable.

Claims (1)

1. the manufacture method improving 3104 aluminium alloy strips Erichsen numbers, it is characterised in that: described manufacture method comprises the steps:
(1) dispensing: use the material of following percentage by weight carry out alloy proportion, i.e. Si be 0.17~0.25%, Fe be 0.35~0.45%, Cu be 0.15~0.2%, Mn be 0.85~0.95%, Mg be 1.15~1.25%, Zn for≤0.1%, RE (rare earth element) be 0.005~0.02%, Ti be≤0.1%, surplus be Al;
(2) melting: smelting temperature 700 ~ 740 DEG C, and use coverture;
(3) refine: use chlorine and argon that ingot casting carries out refine, refining temperature 720 ~ 740 DEG C;
(4) crystal grain refinement: use grain refiner Al-5Ti-0.2B silk to carry out ingot casting crystal grain refinement, titanium silk addition 1.0kg/tAl;
(5) degasification: use depassing unit to carry out the online degasification of melt;
(6) filter: use 30PPi+40PPi twin-stage ceramic filter plate to filter;
(7) casting: carry out according to casting temperature 680 ~ 725 DEG C, casting speed 45 ~ 55mm/min, hydraulic pressure 0.1 ~ 0.2MPa, the technique of water temperature≤30 DEG C, obtain meeting the rectangle ingot of inner quality standard;
(8) sawing: sawing length 200mm bottom ingot casting, gate part sawing length 100mm;
(9) milling face: ingot casting big facing cut face amount is 8 ~ 12mm/ face, milling face, side is measured is 4 ~ 7mm/ face;
(10) homogenization heating: furnace gas constant temperature 610 DEG C, is incubated 16 ~ 30 hours, ingot casting tapping temperature 500 ~ 535 DEG C;
(11) hot rolling: the ingot casting that thickness is 420 ~ 620mm obtained (1) ~ (10), through 19 ~ 31 passages of hot-rolling mill, is rolled into the aluminum volume that thickness is 2.5 ~ 7.0mm, finishing temperature 330 ~ 345 DEG C;
(12) cold rolling: the hot rolling blank aluminum that thickness is 2.5 ~ 7.0mm that (11) are obtained volume, through 5 ~ 9 passages, cold rolling make the cold rolling aluminum volume that thickness is 0.26 ~ 1.2mm;
(13) trimming is cleaned: the cold rolling aluminum volume (12) obtained is carried out trimming on 2450mm stretch bending-straightening machine, uses high pressure, high-temperature water to clean up the greasy dirt on aluminium strip;
(14) perfect recrystallization annealing: the aluminum volume (13) obtained carries out perfect recrystallization annealing in coil annealing stove, and annealing process is furnace gas temperature 350 ~ 380 DEG C, temperature retention time 9 ~ 20h;
(15) test package: carry out AEG-process, detects band Erichsen number.
CN201310296432.7A 2013-07-16 2013-07-16 A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers CN104294194B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310296432.7A CN104294194B (en) 2013-07-16 2013-07-16 A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310296432.7A CN104294194B (en) 2013-07-16 2013-07-16 A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers

Publications (2)

Publication Number Publication Date
CN104294194A CN104294194A (en) 2015-01-21
CN104294194B true CN104294194B (en) 2016-09-28

Family

ID=52314140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310296432.7A CN104294194B (en) 2013-07-16 2013-07-16 A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers

Country Status (1)

Country Link
CN (1) CN104294194B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105463263B (en) * 2015-12-04 2017-07-04 傅双培 Frosting sheet alloy
CN105506414A (en) * 2015-12-21 2016-04-20 山东南山铝业股份有限公司 Aluminum alloy material of two-piece can body of pop-top can and production method for aluminum alloy material
CN107338403B (en) * 2016-04-29 2019-05-14 宇龙计算机通信科技(深圳)有限公司 A kind of molding processing method of Al-alloy parts
CN105925858A (en) * 2016-06-12 2016-09-07 山东南山铝业股份有限公司 Aluminum alloy sheet and production method thereof
CN106319292B (en) * 2016-08-19 2017-12-26 河南明泰铝业股份有限公司 A kind of cosmetics minute surface aluminium lid aluminium sheet, the production method of aluminium strip
CN106222498B (en) * 2016-08-29 2017-12-01 河南明泰铝业股份有限公司 A kind of hub of motorcycle aluminium alloy plate and preparation method thereof
CN108149089A (en) * 2017-11-28 2018-06-12 大力神铝业股份有限公司 A kind of preparation of 6D16 aluminum alloy materials hot rolled plate
CN108747080A (en) * 2018-05-23 2018-11-06 大力神铝业股份有限公司 A kind of vacuum brazing plate and preparation method thereof for electric heater
CN111349801A (en) * 2018-12-24 2020-06-30 西南铝业(集团)有限责任公司 Preparation method of aluminum alloy ingot
CN109877181A (en) * 2019-04-17 2019-06-14 广西南南铝加工有限公司 A kind of preparation method of high uniformity aluminum alloy plate materials

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481764A (en) * 2009-02-12 2009-07-15 郑州明泰实业有限公司 Aluminum alloy rolled plate and producing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481764A (en) * 2009-02-12 2009-07-15 郑州明泰实业有限公司 Aluminum alloy rolled plate and producing method thereof

Also Published As

Publication number Publication date
CN104294194A (en) 2015-01-21

Similar Documents

Publication Publication Date Title
CN103255329B (en) A kind of Low-cost fine-grain weak-texture magnesium alloy sheet and manufacture method thereof
CN101857933B (en) Hot rolling process of high-plasticity and low-anisotropy magnesium alloy and sheet thereof
US20160351224A1 (en) Aluminum alloy plate for magnetic disc substrate, method for manufacturing same, and method for manufacturing magnetic disc
CN102912192B (en) 1050 alloy CTO (computer-to-plate) substrate and preparation method thereof
CN107502787B (en) A kind of new energy battery cover explosion-proof valve aluminium alloy strips and preparation method thereof
CN102912221B (en) Large-thickness structural steel plate for high-rise building and production method thereof
KR101898368B1 (en) Non-oriented magnetic steel sheet, and manufacturing method for same
CN103602839B (en) A kind of working method of Aluminum Alloy Plate
CN103320727B (en) Aluminum alloy medium plate preparation method
CN103740990B (en) A kind of Aluminum alloy strip for automobile heat insulation cover and manufacture method thereof
US8449700B2 (en) Manufacturing method of a hot-pressed steel plate member
CN102876940B (en) Manufacturing method of aluminum alloy thin plate with stable performance
CN102658452B (en) Processing method of copper strip used for copper steel composites
CN105886855B (en) A kind of aluminium alloy thick plate and its production method
CN104294113B (en) A kind of manufacture method of automotive oil tank aluminum alloy plate materials
CN104357690B (en) The preparation technology of strong anti-corrosion high Mg-Al alloy plate in a kind of
CN102146533B (en) Formula of copper nickel tin alloy strip and production process
CN101514436B (en) Aluminum alloy sheet for cold press forming, method of manufacturing the same, and cold press forming method for aluminum alloy sheet
CN101914710B (en) Manufacture method of aluminum alloy sheet for high-speed train structure
CN101580922B (en) Method for producing tin phosphorus bronze band by direct cold cogging
CN101805878B (en) Method for producing 8014-H22 state aluminium alloy air-conditioner foil by cast-rolled blank
CN105506421B (en) A kind of Al Zn Mg Aluminum Alloy Plate materials and preparation method thereof
CN101490291B (en) High-strength aluminum alloy plate and process for producing the same
CN100392128C (en) Novel composite aluminium alloy plates and prepn. method
CN103436747B (en) Heat exchange fin plate high-plasticity aluminum alloy and complete processing thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant