CN103060635B - Three-sheet aluminum-alloy forged hub material - Google Patents

Three-sheet aluminum-alloy forged hub material Download PDF

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Publication number
CN103060635B
CN103060635B CN201310008714.2A CN201310008714A CN103060635B CN 103060635 B CN103060635 B CN 103060635B CN 201310008714 A CN201310008714 A CN 201310008714A CN 103060635 B CN103060635 B CN 103060635B
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forged hub
alloy forged
proportion
hub
alloy
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CN103060635A (en
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徐永生
俞善龙
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Ningbo Qiyu special wheel hub Co.,Ltd.
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NINGBO JIANGBEI QIYU SPECIAL WHEEL Co Ltd
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Abstract

The invention discloses a hub material, and particularly discloses a three-sheet aluminum-alloy forged hub material. The three-sheet aluminum-alloy forged hub material comprises chemical elements in percentage by mass as follows: 0.5-0.8% of Si, 0.2-0.4% of Cu, 0.1-0.3% of Mn, 0.9-1.2% of Mg, 0.1-0.3% of Cr, 0.2-0.4% of Zn, 0.1-0.6% of Ti, 0.1-0.4% of Re, at most 0.5% of Fe, at most 0.01% of Pb, and the balance of Al, wherein the content of other single element is at most 0.05% and the total content of other elements is at most 0.15%. By adopting the three-sheet aluminum-alloy forged hub material, the defect that the flexibility and the automatic fatigue recovery function of the existing aluminum-alloy forged hub made of an aluminum-magnesium-silicon alloy (alloy 6 series) material are unable to meet the technical requirement is solved; the three-sheet aluminum-alloy forged hub material disclosed by the invention has good malleability; and the flexibility and the automatic fatigue recovery function of the three-sheet forged hub made of the material are good, and the three-sheet forged hub is not fractured immediately even when encountering a big impact.

Description

Three-plate aluminum alloy forged hub material
Technical field
The present invention relates to a kind of boss material, particularly a kind of three-plate aluminum alloy forged hub material.
Background technology
The quality of wheel and reliability quality not only closely related with the safety of vehicle, and with automobile stationarity under steam, comfortableness, safety operation close relation.Thus require that the size and dimension precision of wheel is high, good dynamic balance, fatigue strength is high, perfect heat-dissipating, rigidity and good springiness.Along with the development of automobile, the class of automobile is become better and better, and car speed is more and more faster, and individual requirement is also more and more higher, so also more and more higher to the requirement of automotive hub.
Widely used in China's automobile is conventional aluminium wheel hub, and be that the shape of product is single with die casting a entirety, parameter and the shape that change wheel must change mould; And the employing of conventional cast wheel hub is A356-2 aluminium, A356-2 aluminium, its stability and thermal diffusivity are also poor, and quality is also heavier simultaneously.
In order to solve the problems of the technologies described above, now commercially there is a kind of three-plate aluminum alloy forged hub, so-called three-chip type wheel hub, wheel hub is resolved into anter, middle and rear panel, and then it is combined into a complete wheel hub, but it can meet again the basic parameter of all wheel hubs, as: P.C.D size, C/B size and OFFSET etc., the decorative pattern of middle can personalized designs, automatization engraving.Therefore above-mentioned three-plate aluminum alloy forged hub is the representative of high-performance, high technology content in current automotive hub, is the leading product in international automobile wheel hub industry.This wheel hub is all far superior to conventional cast wheel hub from intensity, quality, thermal diffusivity and profile.
Above-mentioned three-plate aluminum alloy forged hub often adopts 6 series (aluminium, magnesium, silicon) alloy material to produce, but due to 6 series (aluminium, magnesium, silicon) alloy material itself ductility not enough, make the retractility of the three-plate aluminum alloy forged hub after producing and automatically fatigue recovery function also do not reach requirement.
Summary of the invention
The object of the invention is the three-plate aluminum alloy forged hub material providing a kind of ductility good to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the three-plate aluminum alloy forged hub material designed by the present invention, its chemical composition: Si 0.5%-0.8%, Cu0.2%-0.4%, Mn0.1%-0.3%, Mg0.9%-1.2%, Cr0.1%-0.3%, Zn0.2%-0.4%, Ti0.1%-0.6%, Re0.1%-0.4%, Fe≤0.5%, Pb≤0.01%, other metal or Non-metallic components single≤0.05%, total amount≤0.15%, Al surplus, in mass %.The wherein preferred 0.1%-0.3% of the mass ratio of Ti.
The adding and the control of other element ratios of Re element in the proportioning of above-mentioned materials, make ductility of the present invention high.
The three-plate aluminum alloy forged hub material that the present invention obtains, its ductility is good, adopts the Three-plate forging hub assembling of this material produce to have good retractility and automatic fatigue recovery function, also can not rupture immediately even if run into great shock.
Embodiment
Embodiment 1:
The three-plate aluminum alloy forged hub material that the present embodiment provides, chemical composition: Si proportion is the proportion of 0.5 %, Cu is 0.2%, the proportion of the proportion of Mn to be the proportion of 0.1%, Mg be 0.9%, Cr is 0.1%, the proportion of Zn is 0.2%, the proportion of the proportion of Ti to be the proportion of 0.1%, Re be 0.1%, Fe is 0.5%, the proportion of Pb is 0.01%, other metal or Non-metallic components single≤0.05%, total amount≤0.15%, Al surplus, in mass %.
In the actual production of three-plate aluminum alloy forged hub, forge by the material after above-mentioned chemical composition proportioning, the temperature of solution treatment in forging process is 520 DEG C, the temperature of artificial aging process is 160 DEG C, and continue 8h, artificial aging process is carried out as early as possible, to avoid producing Shelf―time effect after quenching.
Three-plate aluminum alloy forged hub after Overheating Treatment: tensile strength sigma b (MPa) is 310km/mm2; Yield strength σ 0.2 (MPa) is 270km/mm2; Unit elongation δ 5 is 14%.
Embodiment 2:
The three-plate aluminum alloy forged hub material that the present embodiment provides, chemical composition: Si proportion is the proportion of 0.7 %, Cu is 0.3%, the proportion of the proportion of Mn to be the proportion of 0.2%, Mg be 1.0%, Cr is 0.2%, the proportion of Zn is 0.3%, the proportion of the proportion of Ti to be the proportion of 0.3%, Re be 0.3%, Fe is 0.4%, the proportion of Pb is 0.005%, other metal or Non-metallic components single≤0.05%, total amount≤0.15%, Al surplus, in mass %.
In the actual production of three-plate aluminum alloy forged hub, forge by the material after above-mentioned chemical composition proportioning, the temperature of solution treatment in forging process is 530 DEG C, the temperature of artificial aging process is 170 DEG C, and continue 10h, artificial aging process is carried out as early as possible, to avoid producing Shelf―time effect after quenching.
Three-plate aluminum alloy forged hub after Overheating Treatment: tensile strength sigma b (MPa) is 315km/mm 2; Yield strength σ 0.2 (MPa) is 275km/mm 2; Unit elongation δ 5 is 15%.
Embodiment 3:
The three-plate aluminum alloy forged hub material that the present embodiment provides, chemical composition: Si proportion is the proportion of 0.8 %, Cu is 0.4%, the proportion of the proportion of Mn to be the proportion of 0.3%, Mg be 1.2%, Cr is 0.3%, the proportion of Zn is 0.4%, the proportion of the proportion of Ti to be the proportion of 0.6%, Re be 0.4%, Fe is 0.4%, the proportion of Pb is 0.005%, other metal or Non-metallic components single≤0.05%, total amount≤0.15%, Al surplus, in mass %.
In the actual production of three-plate aluminum alloy forged hub, forge by the material after above-mentioned chemical composition proportioning, the temperature of solution treatment in forging process is 540 DEG C, the temperature of artificial aging process is 180 DEG C, and continue 10h, artificial aging process is carried out as early as possible, to avoid producing Shelf―time effect after quenching.
Three-plate aluminum alloy forged hub after Overheating Treatment: tensile strength sigma b (MPa) is 312km/mm 2; Yield strength σ 0.2 (MPa) is 273km/mm 2; Unit elongation δ 5 is 14.5%.

Claims (2)

1. a three-plate aluminum alloy forged hub material, it specifically becomes to be grouped into is Si0.5%-0.8%, Cu0.2%-0.4%, Mn0.1%-0.3%, Mg0.9%-1.2%, Cr0.1%-0.3%, Zn0.2%-0.4%, Ti0.1%-0.6%, Re0.1%-0.4%, other metal or Non-metallic components single≤0.05%, total amount≤0.15%, Al surplus, in mass %.
2. three-plate aluminum alloy forged hub material according to claim 1, is characterized in that into and is grouped into middle Ti0.1%-0.3%.
CN201310008714.2A 2013-01-10 2013-01-10 Three-sheet aluminum-alloy forged hub material Active CN103060635B (en)

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CN104438407B (en) * 2014-09-16 2016-04-20 湖北泰福瑞轻合金有限公司 A kind of production method of high-strength mini reductor Al alloy shell frame body sectional material
CN104532087A (en) * 2014-12-23 2015-04-22 合肥派成铝业有限公司 Aluminum alloy with good toughness and difficulty of cracking for doors and windows
CN104625643B (en) * 2015-01-12 2018-03-27 江苏珀然股份有限公司 A kind of aluminium alloy wheel hub forging method
CN105483473A (en) * 2015-12-18 2016-04-13 百色学院 Aluminum alloy cast rod for casting hub and preparing method of aluminum alloy cast rod
CN105506412B (en) * 2015-12-18 2017-11-10 百色学院 A kind of aluminum alloy for automobile wheel hub casting rod and preparation method thereof
CN105543589B (en) * 2015-12-18 2018-04-06 百色学院 A kind of aluminum alloy casting rod special for hub and preparation method thereof
CN105543588A (en) * 2015-12-18 2016-05-04 百色学院 Special aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot
CN105543591B (en) * 2016-01-27 2017-09-19 广西平果铝合金精密铸件有限公司 A kind of wheel hub aluminium alloy cast rod and preparation method thereof
CN105695814B (en) * 2016-01-27 2017-12-01 广西平果铝合金精密铸件有限公司 A kind of wheel hub aluminium alloy ingots and preparation method thereof
CN105543590B (en) * 2016-01-27 2017-09-19 广西平果铝合金精密铸件有限公司 A kind of automotive hub dedicated aluminium alloy casting rod and preparation method thereof
CN111770809B (en) * 2018-01-12 2022-06-14 阿库莱德公司 Aluminum alloy for applications such as wheels and method of manufacture
CN111778431A (en) * 2020-07-02 2020-10-16 苏州阿罗米科技有限公司 High-toughness single-walled carbon nanotube aluminum alloy-based composite material and preparation method thereof
CN111979459A (en) * 2020-09-25 2020-11-24 山东创新精密科技有限公司 6063 aluminum alloy high-performance extrusion product and production method thereof

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CN100404714C (en) * 2005-12-31 2008-07-23 云南冶金集团总公司 High impact tough alloy material contg. Al, Si, Mgi used for making automobile hub and its producing method
CN101624670B (en) * 2009-08-05 2011-04-06 福建省南平铝业有限公司 High-strength high-elongation ratio aluminum alloy and preparation method thereof

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Address after: Room 13-2-10, No. 47, Yidu Cultural Plaza, No. 1349, Liyuan North Road, Wangchun street, Haishu District, Ningbo City, Zhejiang Province

Patentee after: Ningbo Qiyu special wheel hub Co.,Ltd.

Address before: 315020 Zhejiang Province, Ningbo Jiangbei District Hongtang venture capital Kaiyuan Road No. 100, C District 311 (Ningbo Jiangbei odd special wheel Co., Ltd.)

Patentee before: NINGBO JIANGBEI QIYU SPECIAL WHEEL HUB Co.,Ltd.

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Address after: No. 100, Lane 311, Kaiyuan Road, Jiangbei, Ningbo City, Zhejiang Province (Jiangbei Hongtang investment and entrepreneurship Park)

Patentee after: Ningbo Qiyu special wheel hub Co.,Ltd.

Address before: Room 13-2-10, 47 Yidu culture square, 1349 Liyuan North Road, Wangchun street, Haishu District, Ningbo City, Zhejiang Province, 315012

Patentee before: Ningbo Qiyu special wheel hub Co.,Ltd.

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Three-piece aluminum alloy forged wheel hub material

Effective date of registration: 20220815

Granted publication date: 20150107

Pledgee: Ningbo Yongcheng Rural Commercial Bank Co.,Ltd. Mingzhou Sub branch

Pledgor: Ningbo Qiyu special wheel hub Co.,Ltd.

Registration number: Y2022980012574