CN104561703B - A kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof - Google Patents

A kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof Download PDF

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Publication number
CN104561703B
CN104561703B CN201510068838.9A CN201510068838A CN104561703B CN 104561703 B CN104561703 B CN 104561703B CN 201510068838 A CN201510068838 A CN 201510068838A CN 104561703 B CN104561703 B CN 104561703B
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rare earth
aluminum alloy
alloy materials
temperature
zinc
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CN104561703A (en
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张丽华
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Suzhou Jing Yuan oil pressure Machinery Co., Ltd.
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Suzhou Jing Yuan Oil Pressure Machinery Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/10Alloys based on aluminium with zinc as the next major constituent
    • 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
    • C22F1/053Changing 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 zinc as the next major constituent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Forging (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses a kind of aluminum alloy materials with admiro, the mass percent of aluminum alloy materials chemical composition is: C:0.012 0.015%, Si:2.25 2.28%, Se:0.06 0.08%, Cu:3.32 3.35%, Mg:0.12 0.14%, Mn:0.21 0.23%, Ni:15.23 15.25%, Zn:18.55 18.58%, Ti:0.27 0.29%, Fe:0.24 0.26%, B:0.024 0.028%, rare earth: 7.25 7.28%, remaining is Al and trace impurity;This aluminum alloy materials with admiro is long for not only service life, and intensity is high, also has the strongest rub resistance and decay resistance.

Description

A kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof
Technical field
The present invention relates to door and window fields, a kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof.
Background technology
Along with the requirement of high strength alumin ium alloy is improved by every profession and trade day by day, and propose top load, lighting, high-strength, high-ductility, height A series of requirements such as modulus, good corrosion resisting property and welding performance, and the range of application of aluminium alloy is increasingly wider, at each row Playing vital effect in each industry, but to yet suffer from intensity low for current aluminium alloy, antioxygenic property is low, serious wear, Service life is short, high in cost of production problem.
Summary of the invention
The technical problem to be solved is, for the shortcoming of above prior art, proposes a kind of aluminum with zinc-nickel element Alloy material and Technology for Heating Processing thereof, this aluminum alloy materials with zinc-nickel element is long for not only service life, and intensity is high, peace Good perfection, also has the strongest rub resistance and decay resistance;The Technology for Heating Processing of this offer, can not only reduce processing cost, Shorten the process-cycle, and corrosion resistance and the welding performance of aluminium alloy can be improved, improve the quality of product.
In order to solve above-mentioned technical problem, the technical scheme is that and be accomplished by: one has zinc-nickel element Aluminum alloy materials, the mass percent of aluminum alloy materials chemical composition is: C:0.012-0.015%, Si:2.25-2.28%, Se:0.06-0.08%, Cu:3.32-3.35%, Mg:0.12-0.14%, Mn:0.21-0.23%, Ni:15.23-15.25%, Zn:18.55-18.58%, Ti:0.27-0.29%, Fe:0.24-0.26%, B:0.024-0.028%, rare earth: 7.25-7.28%, Remaining is Al and trace impurity;In rare earth, comprise following components by weight percentage: Gd:12.43-12.45%, Tm: 14.2-14.5%, Dy:3.6-3.8%, Yb:0.85-0.88%, Nd:8.53-8.55%, Pr:9.55-9.58%, surplus is La。
Present invention also offers the Technology for Heating Processing of a kind of aluminum alloy materials with zinc-nickel element, this technique sequentially includes the following steps:
Step (1): rare earth is divided into three parts, first adds in boiler melt fine aluminium ingot the most in proportion, temperature at 425-428 DEG C, Keeping 32-35min, carry out removing impurities matter and deoxidation, then furnace temperature rises to 508-510 DEG C, is sequentially placed into: C, Si, Se, Cu, Mg, Mn element and first part of rare earth, be incubated 20-25min, then temperature risen to 556-558 DEG C, then be sequentially placed into Ni, Zn, Ti, Fe element and second part of rare earth, be incubated 10-15min, finally heated to 600-605 DEG C, be sequentially added into B element and the 3rd Part rare earth, is incubated 2-3h;
Step (2): again through LF stove refine, by Control for Kiln Temperature at 683-685 DEG C, the time is maintained at 3-6h, omnidistance nitrogen flushing Gas agitating, makes chemical analysis reach component requirements, is de-gassed with vacuum degassing furnace, and degassing temperature is 642~645 DEG C, bleeds Time is at 7-8h;
Step (3): carry out nitrogen protection molding at a temperature of 462~465 DEG C, keep the temperature at 220-225 DEG C after solidification, Temperature retention time is 26-28h, and last air cooling is to room temperature;
Step (4): the parts forged are carried out a heat treatment: the parts forged are heated to 282-285 DEG C, insulation 30-35min, is then cooled to room temperature by water-cooled with the speed of 8-10 DEG C/s, is then heated to 295-298 DEG C, with oil cold with 11-13 DEG C/s is cooled to room temperature, finally cleans surface, checks size.
The technical scheme that the present invention limits further is:
The aforesaid aluminum alloy materials with zinc-nickel element, the mass percent of aluminum alloy materials chemical composition is: C:0.012%, Si:2.25%, Se:0.06%, Cu:3.32%, Mg:0.12%, Mn:0.21%, Ni:15.23%, Zn:18.55%, Ti:0.27%, Fe:0.24%, B:0.024%, rare earth: 7.25%, remaining is Al and trace impurity;In rare earth, by weight Percentage ratio comprises following components: Gd:12.43%, Tm:14.2%, Dy:3.6%, Yb:0.85%, Nd:8.53%, Pr:9.55%, Surplus is La.
The aforesaid aluminum alloy materials with zinc-nickel element, the mass percent of aluminum alloy materials chemical composition is: C:0.015%, Si:2.28%, Se:0.08%, Cu:3.35%, Mg:0.14%, Mn:0.23%, Ni:15.25%, Zn:18.58%, Ti:0.29%, Fe:0.26%, B:0.028%, rare earth: 7.28%, remaining is Al and trace impurity;In rare earth, by weight Percentage ratio comprises following components: Gd:12.45%, Tm:14.5%, Dy:3.8%, Yb:0.88%, Nd:8.55%, Pr:9.58%, Surplus is La.
The aforesaid aluminum alloy materials with zinc-nickel element, the mass percent of aluminum alloy materials chemical composition is: C:0.014%, Si:2.27%, Se:0.07%, Cu:3.34%, Mg:0.13%, Mn:0.22%, Ni:15.24%, Zn:18.57%, Ti:0.28%, Fe:0.25%, B:0.027%, rare earth: 7.26%, remaining is Al and trace impurity;In rare earth, by weight Percentage ratio comprises following components: Gd:12.44%, Tm:14.3%, Dy:3.7%, Yb:0.86%, Nd:8.54%, Pr:9.57%, Surplus is La.
The invention has the beneficial effects as follows: this has in the aluminum alloy materials of zinc-nickel element and adds Cu element and can increase the strong of aluminium alloy Degree and antioxygenic property, improve service life;Adding Ni and Cr element, chromium can significantly improve intensity, hardness and wearability, Chromium can improve again non-oxidizability and the corrosion resistance of aluminium alloy, and nickel can improve the intensity of aluminium alloy, and keep good plasticity and Toughness.Nickel has higher corrosion resistance to soda acid, at high temperature has antirust and temperature capacity;Add Mg element and can improve its weldering Connect performance, increase its corrosion resistance and intensity;Add Ti element, titanium and aluminum formation TiAl2 phase, non-when becoming crystallization Spontaneous core, plays effect etc. of refinement cast sturcture and seam organization, and rare earth is divided into three parts is sequentially added into, can not only The effect of crystal grain thinning in heat treatment process, increases its structural strength, moreover it is possible to improves its corrosion resistance and frictional behaviour, carries In its service life high, reduce cost;The Technology for Heating Processing of this offer, can not only reduce processing cost, shortens the process-cycle, and And corrosion resistance and the welding performance of aluminium alloy can be improved, improve the quality of product.
Detailed description of the invention
The present invention is described in further detail below:
Embodiment 1
The present embodiment provides a kind of aluminum alloy materials with zinc-nickel element, and the mass percent of aluminum alloy materials chemical composition is: C: 0.012%, Si:2.25%, Se:0.06%, Cu:3.32%, Mg:0.12%, Mn:0.21%, Ni:15.23%, Zn: 18.55%, Ti:0.27%, Fe:0.24%, B:0.024%, rare earth: 7.25%, remaining is Al and trace impurity;In rare earth, Comprise following components by weight percentage: Gd:12.43%, Tm:14.2%, Dy:3.6%, Yb:0.85%, Nd:8.53%, Pr:9.55%, surplus is La;This embodiment additionally provides the Technology for Heating Processing of the aluminum alloy materials with zinc-nickel element, this work Skill sequentially includes the following steps:
Step (1): rare earth is divided into three parts, adds fine aluminium ingot in boiler the most in proportion and melts, and temperature, at 425 DEG C, is protected Holding 32min, carry out removing impurities matter and deoxidation, then furnace temperature rises to 508 DEG C, is sequentially placed into: C, Si, Se, Cu, Mg, Mn unit Element and first part of rare earth, be incubated 20min, then temperature is risen to 556 DEG C, then is sequentially placed into Ni, Zn, Ti, Fe element and Second part of rare earth, is incubated 10min, finally heated to 600 DEG C, is sequentially added into B element and the 3rd part of rare earth, is incubated 2h;
Step (2): again through LF stove refine, by Control for Kiln Temperature at 683 DEG C, the time is maintained at 3h, omnidistance nitrogen blowing stirring, Making chemical analysis reach component requirements, be de-gassed with vacuum degassing furnace, degassing temperature is 642 DEG C, and pumpdown time is at 7h;
Step (3): carry out nitrogen protection molding at a temperature of 462 DEG C, keep the temperature at 220 DEG C after solidification, temperature retention time For 26h, last air cooling is to room temperature;
Step (4): the parts forged carry out a heat treatment: the parts forged are heated to 282 DEG C, is incubated 30min, Then it is cooled to room temperature by water-cooled with the speed of 8 DEG C/s, is then heated to 295 DEG C, be cooled to room with oil is cold with 11 DEG C/s Temperature, finally cleans surface, checks size.
Embodiment 2
The present embodiment provides a kind of aluminum alloy materials with zinc-nickel element, and the mass percent of aluminum alloy materials chemical composition is: C: 0.015%, Si:2.28%, Se:0.08%, Cu:3.35%, Mg:0.14%, Mn:0.23%, Ni:15.25%, Zn: 18.58%, Ti:0.29%, Fe:0.26%, B:0.028%, rare earth: 7.28%, remaining is Al and trace impurity;In rare earth, Comprise following components by weight percentage: Gd:12.45%, Tm:14.5%, Dy:3.8%, Yb:0.88%, Nd:8.55%, Pr:9.58%, surplus is La;This embodiment additionally provides the Technology for Heating Processing of the aluminum alloy materials with zinc-nickel element, this work Skill sequentially includes the following steps:
Step (1): rare earth is divided into three parts, adds fine aluminium ingot in boiler the most in proportion and melts, and temperature, at 428 DEG C, is protected Holding 35min, carry out removing impurities matter and deoxidation, then furnace temperature rises to 510 DEG C, is sequentially placed into: C, Si, Se, Cu, Mg, Mn unit Element and first part of rare earth, be incubated 25min, then temperature is risen to 558 DEG C, then is sequentially placed into Ni, Zn, Ti, Fe element and Second part of rare earth, is incubated 15min, finally heated to 605 DEG C, is sequentially added into B element and the 3rd part of rare earth, is incubated 3h;
Step (2): again through LF stove refine, by Control for Kiln Temperature at 685 DEG C, the time is maintained at 6h, omnidistance nitrogen blowing stirring, Making chemical analysis reach component requirements, be de-gassed with vacuum degassing furnace, degassing temperature is 645 DEG C, and pumpdown time is at 8h;
Step (3): carry out nitrogen protection molding at a temperature of 465 DEG C, keep the temperature at 225 DEG C after solidification, temperature retention time For 28h, last air cooling is to room temperature;
Step (4): the parts forged carry out a heat treatment: the parts forged are heated to 285 DEG C, is incubated 35min, Then it is cooled to room temperature by water-cooled with the speed of 10 DEG C/s, is then heated to 298 DEG C, with cold being cooled to 13 DEG C/s of oil Room temperature, finally cleans surface, checks size.
Embodiment 3
The present embodiment provides a kind of aluminum alloy materials with zinc-nickel element, and the mass percent of aluminum alloy materials chemical composition is: C: 0.014%, Si:2.27%, Se:0.07%, Cu:3.34%, Mg:0.13%, Mn:0.22%, Ni:15.24%, Zn: 18.57%, Ti:0.28%, Fe:0.25%, B:0.027%, rare earth: 7.26%, remaining is Al and trace impurity;In rare earth, Comprise following components by weight percentage: Gd:12.44%, Tm:14.3%, Dy:3.7%, Yb:0.86%, Nd:8.54%, Pr:9.57%, surplus is La;This embodiment additionally provides the Technology for Heating Processing of the aluminum alloy materials with zinc-nickel element, this work Skill sequentially includes the following steps:
Step (1): rare earth is divided into three parts, adds fine aluminium ingot in boiler the most in proportion and melts, and temperature, at 427 DEG C, is protected Holding 33min, carry out removing impurities matter and deoxidation, then furnace temperature rises to 509 DEG C, is sequentially placed into: C, Si, Se, Cu, Mg, Mn unit Element and first part of rare earth, be incubated 24min, then temperature is risen to 557 DEG C, then is sequentially placed into Ni, Zn, Ti, Fe element and Second part of rare earth, is incubated 13min, finally heated to 604 DEG C, is sequentially added into B element and the 3rd part of rare earth, is incubated 2h;
Step (2): again through LF stove refine, by Control for Kiln Temperature at 684 DEG C, the time is maintained at 5h, omnidistance nitrogen blowing stirring, Making chemical analysis reach component requirements, be de-gassed with vacuum degassing furnace, degassing temperature is 643 DEG C, and pumpdown time is at 7h;
Step (3): carry out nitrogen protection molding at a temperature of 464 DEG C, keep the temperature at 224 DEG C after solidification, temperature retention time For 27h, last air cooling is to room temperature;
Step (4): the parts forged carry out a heat treatment: the parts forged are heated to 283 DEG C, is incubated 32min, Then it is cooled to room temperature by water-cooled with the speed of 9 DEG C/s, is then heated to 296 DEG C, be cooled to room with oil is cold with 12 DEG C/s Temperature, finally cleans surface, checks size.
So by the technical scheme of embodiment, a kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof are proposed, should The aluminum alloy materials with zinc-nickel element is long for not only service life, and intensity is high, and safety is good, also has the strongest rub resistance And decay resistance;The Technology for Heating Processing of this offer, can not only reduce processing cost, shortens the process-cycle, and can improve aluminum The corrosion resistance of alloy and welding performance, improve the quality of product.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every according to this The technological thought that invention proposes, any change done on the basis of technical scheme, within each falling within scope.

Claims (4)

1. an aluminum alloy materials with zinc-nickel element, it is characterised in that: the percent mass of described aluminum alloy materials chemical composition Ratio is: C:0.012-0.015%, Si:2.25-2.28%, Se:0.06-0.08%, Cu:3.32-3.35%, Mg:0.12-0.14%, Mn:0.21-0.23%, Ni:15.23-15.25%, Zn:18.55-18.58%, Ti:0.27-0.29%, Fe:0.24-0.26%, B:0.024-0.028%, rare earth: 7.25-7.28%, remaining is Al and trace impurity;
In described rare earth, comprise following components by weight percentage:Gd: 12.43-12.45%,Tm: 14.2-14.5%,Dy: 3.6-3.8%,Yb: 0.85-0.88%,Nd: 8.53-8.55%,Pr: 9.55-9.58%, surplus is La;
Wherein having the Technology for Heating Processing of the aluminum alloy materials of zinc-nickel element, this technique sequentially includes the following steps:
Step (1): rare earth is divided into three parts, first adds in boiler melt fine aluminium ingot the most in proportion, temperature at 425-428 DEG C, Keeping 32-35min, carry out removing impurities matter and deoxidation, then furnace temperature rises to 508-510 DEG C, is sequentially placed into: C, Si, Se, Cu, Mg, Mn element and first part of rare earth, be incubated 20-25min, then temperature risen to 556-558 DEG C, then be sequentially placed into Ni, Zn, Ti, Fe element and second part of rare earth, be incubated 10-15min, finally heated to 600-605 DEG C, be sequentially added into B element and the 3rd Part rare earth, is incubated 2-3h;
Step (2): again through LF stove refine, by Control for Kiln Temperature at 683-685 DEG C, the time is maintained at 3-6h, omnidistance nitrogen flushing Gas agitating, makes chemical analysis reach component requirements, is de-gassed with vacuum degassing furnace, and degassing temperature is 642~645 DEG C, bleeds Time is at 7-8h;
Step (3): carry out nitrogen protection molding at a temperature of 462~465 DEG C, keep the temperature at 220-225 DEG C after solidification, Temperature retention time is 26-28h, and last air cooling is to room temperature;
Step (4): the parts forged are carried out a heat treatment: the parts forged are heated to 282-285 DEG C, insulation 30-35min, is then cooled to room temperature by water-cooled with the speed of 8-10 DEG C/s, is then heated to 295-298 DEG C, with oil cold with 11-13 DEG C/s is cooled to room temperature, finally cleans surface, checks size.
The aluminum alloy materials with zinc-nickel element the most according to claim 1, it is characterised in that: described aluminum alloy materials The mass percent studied point is: C:0.012%, Si:2.25%, Se:0.06%, Cu:3.32%, Mg:0.12%, Mn: 0.21%, Ni:15.23%, Zn:18.55%, Ti:0.27%, Fe:0.24%, B:0.024%, rare earth: 7.25%, its Remaining is Al and trace impurity;
In described rare earth, comprise following components by weight percentage:Gd: 12.43%,Tm: 14.2%,Dy: 3.6%,Yb: 0.85%,Nd: 8.53%,Pr: 9.55%, surplus is La.
The aluminum alloy materials with zinc-nickel element the most according to claim 1, it is characterised in that: described aluminum alloy materials The mass percent studied point is: C:0.015%, Si:2.28%, Se:0.08%, Cu:3.35%, Mg:0.14%, Mn: 0.23%, Ni:15.25%, Zn:18.58%, Ti:0.29%, Fe:0.26%, B:0.028%, rare earth: 7.28%, its Remaining is Al and trace impurity;
In described rare earth, comprise following components by weight percentage:Gd: 12.45%,Tm: 14.5%,Dy: 3.8%,Yb: 0.88%,Nd: 8.55%,Pr: 9.58%, surplus is La.
The aluminum alloy materials with zinc-nickel element the most according to claim 1, it is characterised in that: described aluminum alloy materials The mass percent studied point is: C:0.014%, Si:2.27%, Se:0.07%, Cu:3.34%, Mg:0.13%, Mn: 0.22%, Ni:15.24%, Zn:18.57%, Ti:0.28%, Fe:0.25%, B:0.027%, rare earth: 7.26%, its Remaining is Al and trace impurity;
In described rare earth, comprise following components by weight percentage:Gd: 12.44%,Tm: 14.3%,Dy: 3.7%,Yb: 0.86%,Nd: 8.54%,Pr: 9.57%, surplus is La.
CN201510068838.9A 2015-02-10 2015-02-10 A kind of aluminum alloy materials with zinc-nickel element and Technology for Heating Processing thereof Expired - Fee Related CN104561703B (en)

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US3637441A (en) * 1968-04-08 1972-01-25 Aluminum Co Of America Aluminum-copper-magnesium-zinc powder metallurgy alloys
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US8409497B2 (en) * 2009-10-16 2013-04-02 United Technologies Corporation Hot and cold rolling high strength L12 aluminum alloys
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