CN106890866B - A kind of aluminium based on rotation infiltration coats the preparation method of brass alloys band - Google Patents
A kind of aluminium based on rotation infiltration coats the preparation method of brass alloys band Download PDFInfo
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- CN106890866B CN106890866B CN201710006860.XA CN201710006860A CN106890866B CN 106890866 B CN106890866 B CN 106890866B CN 201710006860 A CN201710006860 A CN 201710006860A CN 106890866 B CN106890866 B CN 106890866B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/051—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having oscillating walls
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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Abstract
The present invention provides a kind of preparation method of the aluminium cladding brass alloys band based on rotation infiltration, includes the following steps：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and covers the charcoal toasted, obtains aluminium alloy；Aluminium alloy is prepared to the equiax crystal blank material of fine uniform using direct chill casting ingot method；Blank material is rolled using Hot Rolling Mill；Milling face and cold rolling are carried out to the band after hot rolling；Recrystallization annealing finish rolling again is used to the band after finish rolling；By the band thorough impregnation after heat treatment in liquid aluminium alloy melt, by band in liquid aluminium alloy melt internal rotating, it is limited with not causing liquid aluminium alloy melt acutely to seethe, is then stopped operating, band is taken out and is cleaned, obtains coating brass alloys band based on the aluminium of rotation infiltration.Aluminium cladding brass alloys band intensity and good-extensibility based on rotation infiltration prepared by the present invention, tensile strength are not less than 580MPa, and extension property is not less than 10%.
Description
Technical field
The invention belongs to technical field of alloy material, and in particular to a kind of aluminium cladding brass alloys band based on rotation infiltration
The preparation method of material.
Background technology
Most widely used in copper based elastic material is tin-phosphor bronze and brass.Brass is by copper zinc as primary raw material system
Standby alloy, brass alloys band is at low cost, easy manufacture, in beautiful color, wear-resisting, corrosion-resistant, and has good plastic processing
Performance and be widely used in the fields such as invisible, telecommunications, have a vast market foreground.But its intensity is not high, dezincification and
The tendency of stress corrosion cracking is big, and the comprehensive performance of material is poor.Therefore, it is necessary to by adding trace element to cheap brass
Metamorphism treatment is carried out to improve alloy strength, hardness, elasticity, corrosion resistance etc..
The demand of existing market brass alloys strips is larger, and the requirement to brass alloys strips performance is relatively high, therefore
Improving the comprehensive performance of brass strips seems particularly significant.Aluminium is the main intensified element of brass, and oxidation can be formed in melting
Aluminium protective film prevents zinc from evaporating, and reduces zinc scaling loss, intensity, corrosion resistance etc. to improve brass alloys, and aldubra has
Good corrosion resistance, mechanical property especially wear-resisting property and cheap cost.Disclosed in Chinese patent CN102796917B
A kind of high-strength brass alloy and its manufacturing method include copper, lead, iron, aluminium, manganese, tin, zinc and inevitable in the brass alloys
Impurity, by keeping the temperature continuous casting after melting raw material, finally stretch allowance for bark annealing, obtained brass alloys guarantee machinability
On the basis of, intensity, hardness and the elongation of the brass alloys of raising.
Pressureless penetration is the new technology developed in recent years for preparing high-volume fractional metal-base composites, the skill
Art manufacturing cost is an advantage over aluminium alloy melt and easily aoxidizes less than technologies such as powder metallurgy, Pressure Infiltrations, bath surface oxidation
The presence of film keeps melt and the wellability in prefabricated component section very poor, and common pressureless infiltration process can only be by improving liquid metal
Temperature changes section wellability, and whole process needs inert gas shielding, and efficiency is low, is easy to happen interfacial reaction, therefore
It needs to improve Infiltration Technics, improves the performance and production efficiency of composite material.The present invention oozes direct chill casting ingot method and no pressure
Saturating method, which combines, prepares a kind of brass alloys band that high intensity height extends.
Invention content
The technical problem to be solved in the present invention is to provide the systems that a kind of aluminium based on rotation infiltration coats brass alloys band
Preparation Method forms blank material, then hot rolled, milling using copper, zinc, neodymium, lanthanum, manganese and iron as raw material using direct chill casting ingot method
Face, cold rolling, heat treatment and infiltration processing obtain the aluminium cladding brass alloys band of high intensity height extension, further propose brass conjunction
The application field of gold ribbon material.
In order to solve the above technical problems, the technical scheme is that：
A kind of aluminium based on rotation infiltration coats the preparation method of brass alloys band, includes the following steps：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 850-1100 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, stirs, uses the charcoal toasted as coverture to ensure
The vacuum state of aluminium alloy, obtains aluminium alloy；
(2) it casts：Aluminium alloy prepared by step (1) forms blank material using direct chill casting ingot method, and casting machine, which uses, to shake
Dynamic formula cast, pouring temperature are 1000-1100 DEG C, and drawing ingot speed degree is 30-60mm/min, controls liquid level 30- in crystallizer
50mm, crystallizer hydraulic pressure 0.1-0.8MPa, crystallizer leaving water temperature are 30-40 DEG C；
(3) hot rolling：Blank material prepared by step (2) is rolled using Hot Rolling Mill, control finishing temperature is 790-810
DEG C, mill speed 1.5-5m/s；
(4) milling face and cold rolling：Band after the hot rolling prepared to step (3) carries out milling face, and milling face thickness is 0.2-
0.5mm is rolled using cold mill complex：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling uses small-power
Rolling controls below 20%；
(5) it is heat-treated：Band after the finish rolling prepared to step (4) uses recrystallization annealing finish rolling again, wherein recrystallizing
Temperature be 500-600 DEG C, it is 270-300 DEG C that annealing, which uses Low-temperature stress-relief annealing, the temperature of Low-temperature stress-relief annealing,；
(6) infiltration is handled：By the band thorough impregnation after the heat treatment of step (5) preparation in liquid aluminium alloy melt,
By band in liquid aluminium alloy melt internal rotating, it is limited with not causing liquid aluminium alloy melt acutely to seethe, then stops turning
It is dynamic, band is taken out and is cleaned, obtains coating brass alloys band based on the aluminium of rotation infiltration.
As a preferred embodiment of the above technical solution, the component in the step (1) in aluminium alloy, by mass percentage agent, packet
It includes：Copper 60-80%, neodymium and lanthanum 0-0.3%, manganese 0-0.4%, iron 0-0.03%, impurity are less than or equal to 0.1%, and surplus is zinc.
As a preferred embodiment of the above technical solution, the thickness of charcoal is 80-100mm in the step (1).
As a preferred embodiment of the above technical solution, blank material contains the equiax crystal of fine uniform in the step (2), described isometric
Brilliant is evenly distributed.
As a preferred embodiment of the above technical solution, the component in the step (6) in liquid aluminium alloy melt, by weight percentage
Than meter, including aluminium 30-50%, nickel 20-30%, surplus are magnesium.
As a preferred embodiment of the above technical solution, the temperature rotated in the step (6) is 700-900 DEG C, rotating speed 300-
600r/min, time 30-90min.
As a preferred embodiment of the above technical solution, in the step (6) inert gas shielding is not needed in infiltration processing procedure.
As a preferred embodiment of the above technical solution, the quantity of the band in the step (6) after heat treatment is a piece of or more
Piece.
As a preferred embodiment of the above technical solution, the aluminium based on rotation infiltration in the step (6) coats brass alloys band
In component, in percentage by weight, copper 65-75%, aluminium 2-3.5%, nickel 1-2%, surplus be other.
As a preferred embodiment of the above technical solution, the aluminium based on rotation infiltration in the step (6) coats brass alloys band
Tensile strength is not less than 580MPa, and extension property is not less than 10%.
Compared with prior art, the invention has the advantages that：
(1) present invention forms blank material using copper, zinc, neodymium, lanthanum, manganese and iron as raw material using direct chill casting ingot method,
Be added in flavones alloy a small amount of neodymium and lanthanum can less impurity element to the illeffects of flavones alloy processing performance, while can be with
Crystal grain thinning reduces column crystal, expands the effect of isometric crystalline region, and manganese element, which is added, can form copper manganese solid solution, remain copper
High plastotype, high elongation, excellent in cold workability can wait, textile material embrittlement, and ferro element, which is added, to be made in casting process
For nucleating agent, increase the quantity of forming core, hinder growing up for crystal grain, plays the effect of crystal grain thinning, and the not molten part of ferro element
It is distributed on brass base so that star is flower-shaped, the fracture of cutting swarf can be promoted, improve the cutting power of brass alloys.
(2) present invention obtains blank material using direct chill casting ingot method, and the blank material defect of preparation is small, containing fine uniform etc.
Axialite, then hot rolled, milling face, cold rolling and heat treatment make crystal grain fibre deformation, are not influencing Tensile strength and hardness
In the case of, significantly improve the plasticity of band.
(3) present invention also carries out infiltration processing processing to band, and aluminium nickel magnesium alloy is impregnated into band, utilizes external machinery
Power drives band quickly to be rotated in liquid aluminium nickel magnesium alloy, on the one hand prevents solid liquid interface from forming oxidation film, on the other hand promotees
It is in direct contact into aluminium nickel magnesium alloy and band particle surface, improves interface wellability, and rotary course is to liquid aluminium nickel magnesium
Alloy infiltration forward position forms additional normal stress, increases the driving force that melt penetrates into prefabricated component, improves the efficiency of infiltration, reduces
The temperature of infiltration, reduces production cost, in addition, entire infiltration process does not need vacuum or inert gas shielding, simplifies
Requirement to equipment is more conducive to factorial praluction, reduces energy consumption, improves the economic value of product.
(4) aluminium based on rotation infiltration prepared by the present invention coats the dense structure of brass alloys band, and closeness is high, contains
There are the equiax crystal of fine uniform, the good good-extensibility of compression strength of band that the suitable application area of brass alloys band can be improved.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 850 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 80mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 60%, impurity are less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1000 DEG C, and drawing ingot speed degree is 30mm/min, controls liquid level 30-50mm, crystallizer hydraulic pressure 0.1MPa in crystallizer,
Crystallizer leaving water temperature is 30 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 790 DEG C, and mill speed is
1.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.2mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 500 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 270 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, the band thorough impregnation after a piece of heat treatment is closed in liquid aluminium
In golden melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 30%, nickel 20%, surplus are
Band is rotated 30min, not cause liquid aluminium by magnesium inside liquid aluminium alloy melt at 700 DEG C with 300r/min speed
Alloy melt, which acutely seethes, to be limited, and then stops operating, and band is taken out and is cleaned, and obtains coating brass based on the aluminium of rotation infiltration
Alloy strip steel rolled stock, wherein the component in the aluminium cladding brass alloys band based on rotation infiltration, in percentage by weight, copper
65%, aluminium 2%, nickel 1%, surplus is other.
Embodiment 2：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 1100 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 100mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 80%, neodymium and lanthanum 0.3%, manganese 0.4%, iron
0.03%, impurity is less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1100 DEG C, and drawing ingot speed degree is 60mm/min, controls liquid level 30-50mm in crystallizer, crystallizer hydraulic pressure
00.8MPa, crystallizer leaving water temperature are 40 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 810 DEG C, mill speed 5m/
s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.5mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 600 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 300 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, by the band thorough impregnation after the heat treatment of two panels in liquid aluminium
In alloy melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 50%, nickel 30%, surplus are
Band is rotated 90min, not cause liquid aluminium by magnesium inside liquid aluminium alloy melt at 900 DEG C with 600r/min speed
Alloy melt, which acutely seethes, to be limited, and then stops operating, and band is taken out and is cleaned, and obtains coating brass based on the aluminium of rotation infiltration
Alloy strip steel rolled stock, wherein the component in the aluminium cladding brass alloys band based on rotation infiltration, in percentage by weight, copper
75%, aluminium 3.5%, nickel 2%, surplus is other.
Embodiment 3：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 900 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 90mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 780%, neodymium and lanthanum 0.2%, manganese 0.3%, iron
0.01%, impurity is less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1050 DEG C, and drawing ingot speed degree is 40mm/min, controls liquid level 35mm, crystallizer hydraulic pressure 0.5MPa in crystallizer, knot
Brilliant device leaving water temperature is 35 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 800 DEG C, and mill speed is
2.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.3mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 550 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 290 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, by the band thorough impregnation after a piece of or multi-disc heat treatment
In liquid aluminium alloy melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 35%, nickel
25%, surplus is magnesium, and at 800 DEG C, band is rotated 60min inside liquid aluminium alloy melt with 400r/min speed, with
Do not cause liquid aluminium alloy melt acutely to seethe to be limited, then stop operating, band is taken out and is cleaned, obtains based on rotation infiltration
Aluminium coat brass alloys band, wherein based on rotation infiltration aluminium cladding brass alloys band in component, according to weight hundred
Divide than meter, copper 70%, aluminium 2.3%, nickel 1.5%, surplus is other.
Embodiment 4：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 950 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 95mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 75%, neodymium and lanthanum 0.3%, manganese 0.2%, iron
0.02%, impurity is less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1100 DEG C, and drawing ingot speed degree is 55mm/min, controls liquid level 45mm, crystallizer hydraulic pressure 0.6MPa in crystallizer, knot
Brilliant device leaving water temperature is 35 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 800 DEG C, and mill speed is
2.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.4mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 550 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 290 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, by the band thorough impregnation after a piece of or multi-disc heat treatment
In liquid aluminium alloy melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 45%, nickel
20%, surplus is magnesium, and at 750 DEG C, band is rotated 70min inside liquid aluminium alloy melt with 550r/min speed, with
Do not cause liquid aluminium alloy melt acutely to seethe to be limited, then stop operating, band is taken out and is cleaned, obtains based on rotation infiltration
Aluminium coat brass alloys band, wherein based on rotation infiltration aluminium cladding brass alloys band in component, according to weight hundred
Divide than meter, copper 65%, aluminium 3.5%, nickel 1%, surplus is other.
Embodiment 5：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 1000 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 80mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 65%, neodymium and lanthanum 0.3%, manganese 0.3%, iron
0.03%, impurity is less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1100 DEG C, and drawing ingot speed degree is 30mm/min, controls liquid level 50mm, crystallizer hydraulic pressure 0.5MPa in crystallizer, knot
Brilliant device leaving water temperature is 40 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 790 DEG C, and mill speed is
3.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.4mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 600 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 270 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, by the band thorough impregnation after a piece of or multi-disc heat treatment
In liquid aluminium alloy melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 40%, nickel
20%, surplus is magnesium, and at 900 DEG C, band is rotated 60min inside liquid aluminium alloy melt with 400r/min speed, with
Do not cause liquid aluminium alloy melt acutely to seethe to be limited, then stop operating, band is taken out and is cleaned, obtains based on rotation infiltration
Aluminium coat brass alloys band, wherein based on rotation infiltration aluminium cladding brass alloys band in component, according to weight hundred
Divide than meter, copper 70%, aluminium 2.5%, nickel 1.5%, surplus is other.
Embodiment 6：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 1000 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 100mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 80%, neodymium and lanthanum 0.3%, iron 0.01%, impurity are small
In equal to 0.1%, surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1000 DEG C, and drawing ingot speed degree is 50mm/min, controls liquid level 50mm, crystallizer hydraulic pressure 0.4MPa in crystallizer, knot
Brilliant device leaving water temperature is 40 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 790 DEG C, and mill speed is
3.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.5mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 500 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 290 DEG C.
(6) infiltration is handled：Inert gas shielding is not needed, by the band thorough impregnation after a piece of or multi-disc heat treatment
In liquid aluminium alloy melt, the component wherein in liquid aluminium alloy melt, by weight percentage, including aluminium 45%, nickel
30%, surplus is magnesium, and at 700 DEG C, band is rotated 60min inside liquid aluminium alloy melt with 600r/min speed, with
Do not cause liquid aluminium alloy melt acutely to seethe to be limited, then stop operating, band is taken out and is cleaned, obtains based on rotation infiltration
Aluminium coat brass alloys band, wherein based on rotation infiltration aluminium cladding brass alloys band in component, according to weight hundred
Divide than meter, copper 65%, aluminium 3.5%, nickel 1%, surplus is other.
Comparative example 1：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, melting temperature
Degree is 850 DEG C, then sequentially adds neodymium, lanthanum, manganese and iron, is stirred, and cladding thickness is the charcoal that 80mm was toasted, and obtains alloy
Liquid, the wherein component in aluminium alloy, agent by mass percentage, including：Copper 60%, impurity are less than or equal to 0.1%, and surplus is zinc.
(2) it casts：Aluminium alloy is formed into blank material using direct chill casting ingot method, casting machine uses oscillatory type cast, cast
Temperature is 1000 DEG C, and drawing ingot speed degree is 30mm/min, controls liquid level 30-50mm, crystallizer hydraulic pressure 0.1MPa in crystallizer,
Crystallizer leaving water temperature is 30 DEG C.
(3) hot rolling：Blank material is rolled using Hot Rolling Mill, control finishing temperature is 790 DEG C, and mill speed is
1.5m/s。
(4) milling face and cold rolling：Milling face is carried out to the band after hot rolling, milling face thickness is 0.2mm, is carried out using cold mill complex
Rolling：60% or more working modulus is used 1. making give finish rolling again；2. finish rolling is rolled using small-power, control below 20%.
(5) it is heat-treated：Recrystallization annealing finish rolling again is used to the band after finish rolling, wherein the temperature recrystallized is 500 DEG C,
Annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 270 DEG C.
After testing, embodiment 1-6 prepare based on rotation infiltration aluminium coat brass alloys band tensile strength and
The result of elongation is as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 | |
| Tensile strength (MPa) | 580 | 626 | 596 | 603 | 618 | 610 | 565 |
| Elongation (%) | 10 | 12.9 | 10.6 | 11.4 | 12.3 | 11.7 | 8.5 |
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of aluminium based on rotation infiltration coats the preparation method of brass alloys band, which is characterized in that include the following steps：
(1) aluminium alloy is prepared：It is raw material to select copper, zinc, is melted in smelting apparatus after raw material stoving, smelting temperature is
850-1100 DEG C, neodymium, lanthanum, manganese and iron are then sequentially added, stirs, uses the charcoal toasted as coverture to ensure alloy
The vacuum state of liquid, obtains aluminium alloy；
(2) it casts：Aluminium alloy prepared by step (1) forms blank material using direct chill casting ingot method, and casting machine uses oscillatory type
Cast, pouring temperature are 1000-1100 DEG C, and drawing ingot speed degree is 30-60mm/min, controls liquid level 30-50mm in crystallizer,
Crystallizer hydraulic pressure 0.1-0.8MPa, crystallizer leaving water temperature are 30-40 DEG C；
(3) hot rolling：Blank material prepared by step (2) is rolled using Hot Rolling Mill, control finishing temperature is 790-810 DEG C,
Mill speed is 1.5-5m/s；
(4) milling face and cold rolling：Band after the hot rolling prepared to step (3) carries out milling face, and milling face thickness is 0.2-0.5mm, is adopted
It is rolled with cold mill complex：1. remanufacturing and give finish rolling uses 60% or more working modulus；2. finish rolling is rolled using small-power, control
System is below 20%；
(5) it is heat-treated：Band after the finish rolling prepared to step (4) uses recrystallization annealing finish rolling again, wherein the temperature recrystallized
Degree is 500-600 DEG C, and annealing uses Low-temperature stress-relief annealing, and the temperature of Low-temperature stress-relief annealing is 270-300 DEG C；
(6) infiltration is handled：Band thorough impregnation after heat treatment prepared by step (5) is in liquid aluminium alloy melt, by band
Material is limited with not causing liquid aluminium alloy melt acutely to seethe, is then stopped operating in liquid aluminium alloy melt internal rotating, will
Band takes out cleaning, obtains coating brass alloys band based on the aluminium of rotation infiltration.
2. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：Component in the step (1) in aluminium alloy, agent by mass percentage, including：Copper 60-80%, neodymium and lanthanum 0-
0.3%, manganese 0-0.4%, iron 0-0.03%, impurity are less than or equal to 0.1%, and surplus is zinc.
3. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：The thickness of charcoal is 80-100mm in the step (1).
4. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：Blank material contains the equiax crystal of fine uniform in the step (2), and the equiax crystal is evenly distributed.
5. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：Component in the step (6) in liquid aluminium alloy melt, by weight percentage, including aluminium 30-50%, nickel 20-
30%, surplus is magnesium.
6. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：The temperature rotated in the step (6) is 700-900 DEG C, rotating speed 300-600r/min, time 30-90min.
7. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：In the step (6) inert gas shielding is not needed in infiltration processing procedure.
8. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：The quantity of band in the step (6) after heat treatment is a piece of or multi-disc.
9. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：Component in the step (6) in the aluminium cladding brass alloys band based on rotation infiltration, according to weight percent
Meter, copper 65-75%, aluminium 2-3.5%, nickel 1-2%, surplus are other.
10. a kind of aluminium based on rotation infiltration according to claim 1 coats the preparation method of brass alloys band, special
Sign is：The aluminium cladding brass alloys band tensile strength based on rotation infiltration is not less than 580MPa in the step (6), prolongs
It stretches performance and is not less than 10%.
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Citations (4)
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|---|---|---|---|---|
| US4333215A (en) * | 1979-06-18 | 1982-06-08 | Gould Inc. | Bearing material and method of making |
| CN101894999A (en) * | 2010-07-15 | 2010-11-24 | 中天日立射频电缆有限公司 | 7/8' copper-aluminum composite tube radio frequency coaxial cable and preparation method thereof |
| CN103177817A (en) * | 2011-12-20 | 2013-06-26 | 北京有色金属研究总院 | Hydrostatic extrusion preparing method of aluminum clad copper composite materials |
| JP2016187825A (en) * | 2015-03-30 | 2016-11-04 | 学校法人常翔学園 | Metal plate production apparatus and metal plate production method |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333215A (en) * | 1979-06-18 | 1982-06-08 | Gould Inc. | Bearing material and method of making |
| CN101894999A (en) * | 2010-07-15 | 2010-11-24 | 中天日立射频电缆有限公司 | 7/8' copper-aluminum composite tube radio frequency coaxial cable and preparation method thereof |
| CN103177817A (en) * | 2011-12-20 | 2013-06-26 | 北京有色金属研究总院 | Hydrostatic extrusion preparing method of aluminum clad copper composite materials |
| JP2016187825A (en) * | 2015-03-30 | 2016-11-04 | 学校法人常翔学園 | Metal plate production apparatus and metal plate production method |
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