CN102936676A - Aluminum zinc silicon material, aluminum zinc silicon-steel metal bearing material and manufacturing processes thereof - Google Patents

Aluminum zinc silicon material, aluminum zinc silicon-steel metal bearing material and manufacturing processes thereof Download PDF

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Publication number
CN102936676A
CN102936676A CN201110233415XA CN201110233415A CN102936676A CN 102936676 A CN102936676 A CN 102936676A CN 201110233415X A CN201110233415X A CN 201110233415XA CN 201110233415 A CN201110233415 A CN 201110233415A CN 102936676 A CN102936676 A CN 102936676A
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China
Prior art keywords
zinc silicon
rolling
aluminium zinc
steel
aluminum zinc
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CN201110233415XA
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Chinese (zh)
Inventor
娄兆云
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上海核威实业有限公司
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Priority to CN201110233415XA priority Critical patent/CN102936676A/en
Publication of CN102936676A publication Critical patent/CN102936676A/en

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Abstract

The invention discloses an aluminum zinc silicon material, an aluminum zinc silicon-steel metal bearing material and manufacturing processes thereof. The manufacturing process of the aluminum zinc silicon material comprises the steps of: (1) homogenization heat treatment of an aluminum zinc silicon alloy ingot: leaving the aluminum zinc silicon alloy ingot to a constant temperature of 470-490DEG C for 11h-12h, then taking the ingot out of a furnace and leaving it to air cooling; (2) face milling: milling each side of the aluminum zinc silicon alloy ingot by 2mm, with a tolerance being 0-0.5mm; (3) hot rolling: leaving the ingot to a constant temperature of 410DEG C-420DEG C for 3h-3.5h, carrying out hot rolling to the target thickness, and controlling the processing rate of each rolling pass at 20%-35%; and (4) annealing and cold rolling to the target thickness. The manufacturing process of the aluminum zinc silicon-steel metal bearing material includes: carrying out single side brushing on the aluminum zinc silicon material, subjecting the aluminum zinc silicon material and a steel plate with two abrasive belt roughened sides to one-time composite rolling, then leaving the product to a constant temperature of 330DEG C-350DEG C for 5h-6h, and carrying out annealing, with the processing rate of the one-time composite rolling being greater than or equal to 48%. The manufacturing process of the aluminum zinc silicon-steel metal bearing material is simple and practicable, and the production cost is low. The aluminum zinc silicon-steel metal bearing material has good fatigue strength and wear resistance, and can bear high loads.

Description

Aluminium zinc silicon materials, aluminium zinc silicon-steel metal bearing material and manufacturing process thereof
Technical field
The present invention relates to aluminium zinc silicon materials, aluminium zinc silicon-steel metal bearing material and manufacturing process thereof.
Background technology
Aluminium zinc silicon alloy exists rolling difficulty in production process large as the good supporting capacity of a kind of wear resisting property and the high low-cost good antifriction alloy of fatigue strength, and the defective that lumber recovery is not high not can manufacture always.In addition, aluminium zinc silicon alloy has the hardness suitable with pot metal, supporting capacity, and wear resistance and fatigue strength can partly substitute expensive pot metal material, but defective are the same with pot metal, and alloy needs electroplating surface and joins the bent axle of sclerosis.This present situation needs to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is that the aluminium zinc silicon alloy that has overcome prior art exists rolling difficulty large, the not high defective that always not can manufacture of lumber recovery, provide a kind of simple for process, low production cost, and fatigue strength, wear resisting property are good, aluminium zinc silicon materials, aluminium zinc silicon-steel metal bearing material and the manufacturing process thereof that can bear very high load.
One of the object of the invention is to provide a kind of aluminium zinc silicon materials manufacturing process to comprise the steps:
(1) the homogenizing thermal treatment of aluminium zinc silicon alloy ingot casting is with 480 ℃ ± 10 ℃ constant temperature of temperature air cooling of coming out of the stove after 11 hours-12 hours;
(2) mill face: the every facing cut of aluminium zinc silicon alloy ingot casting is removed 2mm, tolerance 0~0.5mm;
(3) hot rolling: 410 ℃ of-420 ℃ of constant temperature of temperature were hot-rolled down to target thickness in 3 hours-3.5 hours, and every time Reduction by rolling is at 20%-35%;
(4) anneal, be cold-rolled to target thickness.
Among the present invention, described aluminium zinc silicon alloy ingot casting is that this area routine is used, and concrete composition requires to be 4.2%-4.8%Zn, 1.0%-2.0%Si, 0.9%-1.2%Cu, 0.7%-1.3%Pb, Mg<0.6%, Al are surplus, and per-cent accounts for the mass percent of alloy total amount for each composition.Described aluminium zinc silicon alloy ingot casting carries out melting by the composition requirement, and through conventional refining, slagging-off obtains high performance aluminium zinc silicon alloy ingot casting after the grain refining.
Among the present invention, the heat treated optimum condition of described homogenizing is effectively eliminated the casting stress of ingot casting, make simultaneously the microstructure and composition of alloy be tending towards even, put forward heavy alloyed plasticity, be convenient to follow-up rollingly, general upper temperature limit must not surpass the temperature of fusion of low melting point eutectic in the alloy.
Among the present invention, the described face that mills is casting flaws such as removing surface oxidation and be mingled with and cold shut, crackle, prosperous grain be thick, and is better for to mill 18mm from 22mm, tolerance 0~0.5mm.
Among the present invention, what described hot rolling was better is: be rolling to 3.5mm from 18mm by passage; Rolling pass is assigned as 18mm-12mm-8.5mm-6.0mm-4.5mm-3.5mm, every time rolling tolerance 0~0.2mm; Hot rolling is successively decreased by passage, does not ftracture as standard take rolling.
Among the present invention, described this area routine operation that is annealed into is effectively eliminated alloy work hardening, makes follow-up rollingly do not ftracture, and generally alloy is heated to more than the recrystallization temperature, better is 240 ℃ ± 10 ℃ air coolings of coming out of the stove after constant temperature 5h-6h hour.
Among the present invention, described cold rolling be this area routine operation, generally do not ftracture as standard take rolling, better for being cold-rolled to 1.92mm, rolling pass is 3.5mm-2.6mm-1.92mm.
Aluminium zinc silicon materials of the present invention are for subsequent use after preparation is generally cleaned by this area routine operation afterwards.
The aluminium zinc silicon materials that provide aforementioned aluminium zinc silicon materials manufacturing process to make are provided two of the object of the invention.
Three of the object of the invention is to provide a kind of aluminium zinc silicon-steel metal bearing material manufacturing process to comprise the steps: aforesaid aluminium zinc silicon materials single face scratch brushing, carry out disposable composite rolling with the steel plate of two-sided abrasive band hacking, 340 ℃ afterwards ± 10 ℃ constant temperature 5h-6h annealing get final product, wherein, the working modulus of described disposable composite rolling 〉=48%.
Among the present invention, described steel plate is that this area routine is used, is generally Q/BQB302 hot continuous rolling mild steel plate or steel band, better SPHC soft steel, SPHD soft steel or StW22 soft steel, and commercially available getting is such as Baosteel etc.Press the conventional degreasing and rust removal in this area as described steel plate use is last.
Among the present invention, described scratch brushing is this area routine operation, and generally adopting steel wire diameter is that the wire brush of 0.2mm carries out scratch brushing, and the alloy sheets surface uniform is silvery white in color, and cleaning is without the bright trace that obviously skids.
Among the present invention, the two-sided hacking of described steel plate is this area routine operation, and the non-composite surface any surface finish of general requirement steel plate is without rusty stain, without variable color and obvious steel plate defect, steel plate composite surface surface irregularity, even, clean is without any pollution, variable color and open defect.What the non-composite surface of described steel plate was better is 120# abrasive band hacking, and what described steel plate composite surface was better is 36# abrasive band hacking.
Among the present invention, the working modulus in the described disposable composite rolling refers to (compound front original thickness-compound rear finished product thickness)/compound front original thickness; Better is: working modulus 〉=50%.
Among the present invention, after the described annealing steps, generally undertaken shearing packing after the Performance Detection by this area routine.
Four of the object of the invention is to provide the aluminium zinc silicon that aforementioned aluminium zinc silicon-steel metal bearing material manufacturing process makes-steel metal bearing material.
Among the present invention, described aluminium zinc silicon-steel metal bearing material is two-layer structure altogether: the first layer top layer is aluminium zinc silicon alloy layer, and second layer basic unit is high-quality soft steel.
The aluminium zinc silicon that the present invention obtains-each detection method of steel metal bearing material is:
Detect alloy and steel backing hardness by Brinell tester, alloy rigidity: 40-60HB, steel backing hardness: 160-220HB carries out chemical composition analysis with the atomic absorption instrument alloy, and alloy composition must be in given standard range; Adhesive fastness adopts in case of necessity bending method (GB8896-88) sampling observation of stripping method (GB8896-88), the steel backing surfaceness, and the material total thickness, the Performance Detection such as steel layer thickness are by (GB8896-88).
Agents useful for same of the present invention and raw material be commercially available getting all.
On the basis that meets this area general knowledge, the optimum condition of each above-mentioned technical characterictic can arbitrary combination obtain preferred embodiments of the present invention among the present invention.
Positive progressive effect of the present invention is: aluminium zinc silicon of the present invention-steel metal bearing material manufacturing process is simple, low production cost, and aluminium zinc silicon-steel metal bearing fatigue of materials intensity, wear resisting property is good, can bear very high load, can partly substitute expensive pot metal material.
Embodiment
Mode below by embodiment further specifies the present invention, but does not therefore limit the present invention among the described scope of embodiments.
Embodiment
The production material specification is 4.3 * 3.5 * 120 * 385 aluminium zinc silicon/steel bimetal bearing material sheet material; Total thickness 4.3mm wherein, (tolerance 0-0.12mm), steel layer thickness 3.5mm ± 0.05mm, width 120mm (tolerance 0-0.5mm), length 385mm (tolerance 0-3mm).
1, aluminium zinc silicon materials manufacturing process
By the requirement of aluminium zinc silicon alloy chemical composition: 4.2%-4.8%Zn, 1.0%-2.0%Si, 0.9%-1.2%Cu, 0.7%-1.3%Pb, Mg<0.6%, Al are that surplus is prepared burden, and the actual detection in stokehold aluminium zinc alloying with silicon studies and is divided into: 4.6%Zn, 1.58%Si, 1.10%Cu, 1.01%Pb, Mg<0.40%, Al is surplus, and per-cent accounts for the mass percent of alloy total amount for each composition; Melting ingot casting specification 22mm * 175mm * 700mm.
(1) aluminium zinc silicon alloy ingot homogenization thermal treatment: 480 ℃ of constant temperature of design temperature air cooling of coming out of the stove after 12 hours;
(2) mill face: every evenly mills 2mm, and ingot casting thickness becomes 18mm by 22mm
(3) hot rolling: 410 ℃ of constant temperature of temperature carried out hot rolling in 3 hours, and rolling pass is 18mm-12mm-8.5mm-6mm-4.5mm-3.5mm;
(4) annealing, cold rolling: set 240 ℃ of constant temperature air cooling of coming out of the stove after 5 hours, aluminium zinc silicon materials 2 passages that then will anneal are cold-rolled to 1.92mm, and rolling pass is 3.5mm-2.6mm-1.92mm;
(5) cut into the alloy sheets of specification 1.92mm * 138mm * 1150mm, smoothing is for subsequent use after cleaning, (totally 10).
2, aluminium zinc silicon-steel metal bearing material manufacturing process
(1) preparation of steel plate: for subsequent use behind the steel plate degreasing and rust removal of the employing SPHC trade mark, totally 10, steel plate specification 7.0mm * 140mm * 1250mm;
(2) aforementioned gained aluminium zinc silicon materials are carried out the single face scratch brushing with wire brush; Steel plate carries out hacking to upper and lower surface respectively with 120# and 36# abrasive band to be processed;
(3) composite rolling: the alloy sheets behind the scratch brushing is placed on the steel plate behind the hacking of 36# abrasive band feeds milling train, the disposable 4.3mm that is rolled to, tolerance 0-0.12mm, working modulus 50%,
(4) annealing: 340 ℃ of design temperatures, the constant temperature air cooling of coming out of the stove after 5 hours;
(5) blanking is sheared: by the material requirements wide 110mm that completes, tolerance 0-0.5mm, long 385mm, the plate of tolerance 0-3mm;
(6) carry out the detection of the properties such as chemical composition, alloy and steel plate hardness, total thickness, steel layer, upper slushing oil, packing.
Detect alloy and steel backing hardness by Brinell tester, alloy rigidity: 40-60HB, steel backing hardness: 160-220HB carries out chemical composition analysis with the atomic absorption instrument alloy, and alloy composition must be in given standard range; Adhesive fastness adopts in case of necessity bending method (GB8896-88) sampling observation of stripping method (GB8896-88), the steel backing surfaceness, and the material total thickness, the Performance Detection such as steel layer thickness are by (GB8896-88).
After testing, actual detection aluminium zinc alloying with silicon studies and is divided into: 4.6%Zn, and 1.58%Si, 1.10%Cu, 1.01%Pb, Mg<0.40%, Al are surplus.Alloy rigidity 48HB, (near the hardness of pot metal) steel backing hardness 182HB, total thickness 4.32-4.40mm, steel bed thickness 3.45-3.55mm, width 120.2-120.4mm, length 386-388mm, steel backing surfaceness 0.292um, not stratified when adhesive fastness is crooked, supporting capacity is 50MPa.
Embodiment 2
Except following condition, all the other are all with condition and the parameter of embodiment 1.
1, aluminium zinc silicon materials manufacturing process
Aluminium zinc silicon alloy alloy of ingot composition is 4.8%Zn, 1.0%Si, and 1.2%Cu, 1.3%Pb, Mg0.59%, Al are surplus, per-cent accounts for the mass percent of alloy total amount for each composition.
470 ℃ of constant temperature of homogenizing thermal treatment design temperature air cooling of coming out of the stove after 12 hours.The described air cooling of coming out of the stove after being annealed into 230 ℃ of constant temperature 6h hours.
2, aluminium zinc silicon-steel metal bearing material manufacturing process
Steel plate adopts the steel plate of the SPHD trade mark.330 ℃ of constant temperature 6h annealing after the disposable composite rolling.The working modulus 48% of described disposable composite rolling.
After testing, alloy rigidity 48HB, (near the hardness of pot metal) steel backing hardness 182HB, total thickness 4.32-4.40mm, steel bed thickness 3.45-3.55mm, width 120.2-120.4mm, length 386-388mm, steel backing surfaceness 0.292um, not stratified when adhesive fastness is crooked, supporting capacity is 50MPa.
Embodiment 3
Except following condition, all the other are all with condition and the parameter of embodiment 1.
1, aluminium zinc silicon materials manufacturing process
Aluminium zinc silicon alloy alloy of ingot composition is 4.8%Zn, 2.0%Si, and 0.9%Cu, 0.7%Pb, Mg0.4%, Al are surplus, per-cent accounts for the mass percent of alloy total amount for each composition.
490 ℃ of constant temperature of homogenizing thermal treatment design temperature air cooling of coming out of the stove after 11 hours.420 ℃ of constant temperature of hot-rolled temperature were hot-rolled down to target thickness in 3.5 hours.The described air cooling of coming out of the stove after being annealed into 250 ℃ of constant temperature 5h hours.
2, aluminium zinc silicon-steel metal bearing material manufacturing process
Steel plate adopts the steel plate of the StW22 trade mark.350 ℃ of constant temperature 5h annealing after the disposable composite rolling.
After testing, alloy rigidity 48HB, (near the hardness of pot metal) steel backing hardness 182HB, total thickness 4.32-4.40mm, steel bed thickness 3.45-3.55mm, width 120.2-120.4mm, length 386-388mm, steel backing surfaceness 0.292um, not stratified when adhesive fastness is crooked, supporting capacity is 50MPa.

Claims (10)

1. aluminium zinc silicon materials manufacturing process, it is characterized in that: it comprises the steps:
(1) the homogenizing thermal treatment of aluminium zinc silicon alloy ingot casting is with 480 ℃ ± 10 ℃ constant temperature of temperature air cooling of coming out of the stove after 11 hours-12 hours;
(2) mill face: the every facing cut of aluminium zinc silicon alloy ingot casting is removed 2mm, tolerance 0~0.5mm;
(3) hot rolling: 410 ℃ of-420 ℃ of constant temperature of temperature were hot-rolled down to target thickness in 3 hours-3.5 hours, and every time Reduction by rolling is at 20%-35%;
(4) anneal, be cold-rolled to target thickness.
2. manufacturing process as claimed in claim 1, it is characterized in that: described aluminium zinc silicon alloy ingot casting composition is 4.2%-4.8%Zn, 1.0%-2.0%Si, 0.9%-1.2%Cu, 0.7%-1.3%Pb, Mg<0.6%, Al is surplus, and per-cent accounts for the mass percent of alloy total amount for each composition.
3. manufacturing process as claimed in claim 1 is characterized in that: the described face that mills is for to mill 18mm from 22mm, tolerance 0~0.5mm; Described hot rolling is: be rolling to 3.5mm from 18mm by passage; Rolling pass is assigned as 18mm-12mm-8.5mm-6.0mm-4.5mm-3.5mm, every time rolling tolerance 0~0.2mm; Hot rolling is successively decreased by passage, does not ftracture as standard take rolling; Describedly be annealed into 240 ℃ ± 10 ℃ air coolings of coming out of the stove after constant temperature 5h-6h hour; Described cold rolling for not ftracture as standard take rolling, be cold-rolled to 1.92mm, rolling pass is 3.5mm-2.6mm-1.92mm; Described aluminium zinc silicon materials are for subsequent use after cleaning after the preparation.
4. the aluminium zinc silicon materials that make such as each described aluminium zinc silicon materials manufacturing process of claim 1~3.
5. aluminium zinc silicon-steel metal bearing material manufacturing process, it is characterized in that: it comprises the steps: aluminium zinc silicon materials single face scratch brushing claimed in claim 4, carry out disposable composite rolling with the steel plate of two-sided abrasive band hacking, 340 ℃ afterwards ± 10 ℃ constant temperature 5h-6h annealing get final product, wherein, the working modulus of described disposable composite rolling 〉=48%.
6. manufacturing process as claimed in claim 5, it is characterized in that: described steel plate is Q/BQB302 hot continuous rolling mild steel plate or steel band, degreasing and rust removal before described steel plate uses.
7. manufacturing process as claimed in claim 6, it is characterized in that: described steel plate is SPHC soft steel, SPHD soft steel or StW22 soft steel.
8. manufacturing process as claimed in claim 5 is characterized in that: described scratch brushing is that the wire brush of 0.2mm carries out scratch brushing for adopting steel wire diameter; The non-composite surface of described steel plate is 120# abrasive band hacking, and described steel plate composite surface is 36# abrasive band hacking.
9. manufacturing process as claimed in claim 5, it is characterized in that: the working modulus in the described disposable composite rolling is working modulus 〉=50%.
10. such as the claim 5~9 aluminium zinc silicon that each described aluminium zinc silicon-steel metal bearing material manufacturing process makes-steel metal bearing material.
CN201110233415XA 2011-08-15 2011-08-15 Aluminum zinc silicon material, aluminum zinc silicon-steel metal bearing material and manufacturing processes thereof CN102936676A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5659593A (en) * 1979-10-20 1981-05-23 Shiseido Co Ltd Manufacture of composite material
US5543236A (en) * 1993-12-27 1996-08-06 Daido Metal Company, Ltd. Multi-layered slide bearing material
CN1817634A (en) * 2006-03-16 2006-08-16 上海云瀛复合材料有限公司 Double-layer aluminium-base composite materials, its production and use thereof
CN1974814A (en) * 2006-12-12 2007-06-06 苏州有色金属加工研究院 Al-Mg-Si-Cu alloy for automobile and its production process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5659593A (en) * 1979-10-20 1981-05-23 Shiseido Co Ltd Manufacture of composite material
US5543236A (en) * 1993-12-27 1996-08-06 Daido Metal Company, Ltd. Multi-layered slide bearing material
CN1817634A (en) * 2006-03-16 2006-08-16 上海云瀛复合材料有限公司 Double-layer aluminium-base composite materials, its production and use thereof
CN1974814A (en) * 2006-12-12 2007-06-06 苏州有色金属加工研究院 Al-Mg-Si-Cu alloy for automobile and its production process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张宝义: "低锡铝合金轴承材料的研究", 《汽车技术》, no. 11, 30 November 1996 (1996-11-30) *

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Application publication date: 20130220