CN106216394B - 一种汽车车身用双层复合铝合金 - Google Patents

一种汽车车身用双层复合铝合金 Download PDF

Info

Publication number
CN106216394B
CN106216394B CN201610624233.8A CN201610624233A CN106216394B CN 106216394 B CN106216394 B CN 106216394B CN 201610624233 A CN201610624233 A CN 201610624233A CN 106216394 B CN106216394 B CN 106216394B
Authority
CN
China
Prior art keywords
aluminium alloy
temperature
motor car
alloy plate
layer compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610624233.8A
Other languages
English (en)
Other versions
CN106216394A (zh
Inventor
董彬
彭俊
张永学
于沛
杨仲磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huanghe Science and Technology College
Original Assignee
Huanghe Science and Technology College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huanghe Science and Technology College filed Critical Huanghe Science and Technology College
Priority to CN201610624233.8A priority Critical patent/CN106216394B/zh
Publication of CN106216394A publication Critical patent/CN106216394A/zh
Application granted granted Critical
Publication of CN106216394B publication Critical patent/CN106216394B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/01Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/016Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0036Heat treatment
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08Alloys based on aluminium with magnesium as the next major constituent with silicon
    • 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
    • C22F1/043Changing 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 silicon 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
    • C22F1/047Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/386Plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536Hardness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Body Structure For Vehicles (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Metal Rolling (AREA)

Abstract

本发明属于一种汽车车身用双层复合铝合金,该双层复合铝合金由2层不同的铝合金构成。本发明所得汽车车身用双层复合铝合金A层具有优异的成型性和硬度,强度高;B层具有较好的塑形及较高的烤漆硬化响应,两层复合后的铝合金板材强度高、成型性好同时B层侧能够在汽车涂装烘烤处理过程中获得强度提高可广泛应用于汽车车身、面板的制造领域。

Description

一种汽车车身用双层复合铝合金
技术领域
本发明属于铝合金材料技术领域,具体涉及一种汽车车身用双层复合铝合金。
背景技术
铝合金由于其强度高、重量轻,并有较好的导电性能,被广泛地应用在航空航天、汽车制造等技术领域成为汽车轻量化最理想的材料。因铝合金在车辆的外车身板成型性、抗凹陷性、烘烤硬化性( 涂漆后) 和由此得到的高的机械强度,从而可以制造具有更薄规格且更轻质、同时具有A 级表面光洁度的片材。提高铝合金中Mg含量可大幅提示合金的强度、成型性能和抗腐蚀性能,但存在延迟屈服和勒德斯线,易出现“桔皮效应”的缺点。而现有能同时满足铝合金板材卷边性能和表面漆刷线性能两方面性能要求的铝合金加工工艺复杂,且原料要求较为苛刻,成本较高。
发明内容
本发明的目的是提供一种具有优异的卷边性能、良好的表面质量、稳定的力学性能稳定性以及优异的烤漆硬化性能的汽车车身用双层复合铝合金。
为实现上述目的,本发明采用的技术方案是,一种汽车车身用双层复合铝合金,所述双层复合铝合金由铝合金板A和铝合金板B通过以下步骤制成:
1)将铝合金板A和铝合金板B进行热轧形成双层复合结构;
2)将经步骤1)处理后得到的双层复合结构板材进行固溶处理,固溶处理温度为520~560℃,保温时间为20~25min;
3)将经步骤2)处理后的板材进行人工时效处理,人工时效处理温度为70~100℃,时间为2~10h。
优选的,所述铝合金板A中各化学成分重量百分比为:Si 0.5~1.5%,Cu 0.55~1.8%,Zn 0.2~0.53%,Mg 2.0~5.2%,Fe≤1%,余量为Al。
优选的,所述铝合金板B中各化学成分重量百分比为:Si 2.2~3.5%,Cu 0.55~1.5%,Zn 0.2~0.53%,Mg 0.4~1%,Ce 0.2~0.25%,Fe ≤1%,余量为Al。
所述汽车车身用双层复合铝合金的厚度为0.5~5mm。
优选的,所述铝合金板A与铝合金板B的厚度比0.66︰1~1.5︰1。
优选的,所述铝合金板A的制备方法如下:
a、将工业纯铝、各种中间合金按配比进行称取;
b、将所选原料进行熔化,熔体经精炼处理后铸造成铸锭;
c、将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为400~450℃,均匀化处理时间为2~10h;
d、将经步骤c处理后的铸锭热轧成板,开轧温度为430-480℃,终轧温度为280-300℃;
e、对步骤d得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
优选的,所述步骤b中的铸造温度为670-685℃。
优选的,所述铝合金板B的制备方法如下:
(1)将工业纯铝、各种中间合金按配比进行称取;
(2)将所选原料进行熔化,熔体经精炼处理后铸造成铸锭;
(3)将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为420~460℃,均匀化处理时间为2~8h;
(4)将经步骤(3)处理后的铸锭热轧成板,开轧温度为450-480℃,终轧温度为280-300℃;
(5)对步骤(4)得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
优选的,所述步骤(2)中的铸造温度为685-710℃。
本发明产生的有益效果是:本发明所得汽车车身用双层复合铝合金A层具有优异的成型性和硬度,强度高;B层具有较好的塑形及较高的烤漆硬化响应,两层复合后的铝合金板材强度高、成型性好同时B层侧能够在汽车涂装烘烤处理过程中获得强度提高可广泛应用于汽车车身、面板的制造领域。
具体实施方式
下面结合具体实施例对本发明作进一步说明,但本发明的保护范围不限于此。
实施例1
一种汽车车身用双层复合铝合金,所述双层复合铝合金由铝合金板A和铝合金板B通过以下步骤制成:
1)将铝合金板A和铝合金板B进行热轧形成双层复合结构;
2)将经步骤1)处理后得到的双层复合结构板材进行固溶处理,固溶处理温度为540℃,保温时间为15min;
3)将经步骤2)处理后的板材进行人工时效处理,人工时效处理温度为80℃,时间为4h。
所述铝合金板A中各化学成分重量百分比为:Si 1.0%,Cu 1.1%,Zn 0.3%,Mg3.0%,Ce 0.22%,Fe 0.9%,余量为Al。
所述铝合金板B中各化学成分重量百分比为:Si 2.7%,Cu 0.75%,Zn 0.3%,Mg0.6%,Fe 0.85%,余量为Al。
本实施例中制备的汽车车身用双层复合铝合金的厚度为2.5mm。
所述铝合金板A与铝合金板B的厚度比1︰1。
所述铝合金板A的制备方法如下:
a、将工业纯铝、各种中间合金按配比进行称取;
b、将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为675℃;
c、将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为425℃,均匀化处理时间为6h;
d、将经步骤c处理后的铸锭热轧成板,开轧温度为450℃,终轧温度为290℃;
e、对步骤d得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
所述铝合金板B的制备方法如下:
(1)将工业纯铝、各种中间合金按配比进行称取;
(2)将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为695℃;
(3)将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为440℃,均匀化处理时间为6h;
(4)将经步骤(3)处理后的铸锭热轧成板,开轧温度为460℃,终轧温度为290℃;
(5)对步骤(4)得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
实施例2
一种汽车车身用双层复合铝合金,所述双层复合铝合金由铝合金板A和铝合金板B通过以下步骤制成:
1)将铝合金板A和铝合金板B进行热轧形成双层复合结构;
2)将经步骤1)处理后的板材进行固溶处理,固溶处理温度为520℃,保温时间为25min;
3)将经步骤2)处理后的板材进行人工时效处理,人工时效处理温度为70℃,时间为10h。
所述铝合金板A中各化学成分重量百分比为:Si 0.5%,Cu 0.55%,Zn 0.2%,Mg5.2%,Fe 0.75%,余量为Al。
所述铝合金板B中各化学成分重量百分比为:Si 2.2%,Cu 0.55%,Zn 0.2%,Mg0.4%,Ce 0.25%,Fe 0.8%,余量为Al。
本实施例中制备的汽车车身用双层复合铝合金的厚度为0.5mm。
所述铝合金板A与铝合金板B的厚度比1.5︰1。
所述铝合金板A的制备方法如下:
a、将工业纯铝、各种中间合金按配比进行称取;
b、将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为670℃;
c、将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为400℃,均匀化处理时间为10h;
d、将经步骤c处理后的铸锭热轧成板,开轧温度为430℃,终轧温度为280℃;
e、对步骤d得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
所述铝合金板B的制备方法如下:
(1)将工业纯铝、各种中间合金按配比进行称取;
(2)将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为685℃;
(3)将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为420℃,均匀化处理时间为8h;
(4)将经步骤(3)处理后的铸锭热轧成板,开轧温度为450℃,终轧温度为280℃;
(5)对步骤(4)得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
实施例3
一种汽车车身用双层复合铝合金,所述双层复合铝合金由铝合金板A和铝合金板B通过以下步骤制成:
1)将铝合金板A和铝合金板B进行热轧形成双层复合结构;
2)将经步骤1)处理后的板材进行固溶处理,固溶处理温度为560℃,保温时间为20min;
3)将经步骤2)处理后的板材进行人工时效处理,人工时效处理温度为100℃,时间为2h。
所述铝合金板A中各化学成分重量百分比为:Si 1.5%,Cu 1.8%,Zn 0.53%,Mg2.0%,Fe 1%,余量为Al。
所述铝合金板B中各化学成分重量百分比为:Si 3.5%,Cu 1.5%,Zn 0.53%,Mg0.4%,Ce 0.2%,Fe 0.9%,余量为Al。
本实施例中制备的汽车车身用双层复合铝合金的厚度为5mm。
所述铝合金板A与铝合金板B的厚度比0.66︰1。
所述铝合金板A的制备方法如下:
a、将工业纯铝、各种中间合金按配比进行称取;
b、将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为685℃;
c、将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为450℃,均匀化处理时间为2~10h;
d、将经步骤c处理后的铸锭热轧成板,开轧温度为480℃,终轧温度为300℃;
e、对步骤d得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
所述铝合金板B的制备方法如下:
(1)将工业纯铝、各种中间合金按配比进行称取;
(2)将所选原料进行熔化,熔体经精炼处理后铸造成铸锭,铸造温度为710℃;
(3)将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为460℃,均匀化处理时间为2h;
(4)将经步骤(3)处理后的铸锭热轧成板,开轧温度为480℃,终轧温度为300℃;
(5)对步骤(4)得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
性能测试
实施例 1-3制备的汽车车身用双层复合铝合金的性能测试结果如下表:
注:漆刷线强度评价( 1级:表面无白色条纹;2级:表面有不连续白色条纹;3级:表面有连续白色条纹)。卷边等级评价( 1级:表面光滑、无微裂纹和连续颈缩;2级:表面轻微粗糙、无微裂纹和连续颈缩;3级:表面有微裂纹或连续颈缩;4级:表面有明显裂纹)。

Claims (6)

1.一种汽车车身用双层复合铝合金,其特征在于,所述双层复合铝合金由铝合金板A和铝合金板B通过以下步骤制成:
1)将铝合金板A和铝合金板B进行热轧形成双层复合结构,所述铝合金板A与铝合金板B的厚度比0.66︰1~1.5︰1;所述铝合金板A中各化学成分重量百分比为:Si 0.5~1.5%,Cu0.55~1.8%,Zn 0.2~0.53%,Mg 2.0~5.2%,Fe≤1%,余量为Al;所述铝合金板B中各化学成分重量百分比为:Si 2.2~3.5%,Cu 0.55~1.5%,Zn 0.2~0.53%,Mg 0.4~1%,Ce0.2~0.25%,Fe ≤1%,余量为Al;
2)将经步骤1)处理后的板材进行固溶处理,固溶处理温度为520~560℃,保温时间为20~25min;
3)将经步骤2)处理后的板材进行人工时效处理,人工时效处理温度为70~100℃,时间为2~10h。
2.如权利要求1所述的汽车车身用双层复合铝合金,其特征在于:所述汽车车身用双层复合铝合金的厚度为0.5~5mm。
3.如权利要求1所述的汽车车身用双层复合铝合金,其特征在于:所述铝合金板A的制备方法如下:
a、将工业纯铝、各种中间合金按配比进行称取;
b、将所选原料进行熔化,熔体经精炼处理后铸造成铸锭;
c、将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为400~450℃,均匀化处理时间为2~10h;
d、将经步骤c处理后的铸锭热轧成板,开轧温度为430-480℃,终轧温度为280-300℃;
e、对步骤d得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
4.如权利要求3所述的汽车车身用双层复合铝合金,其特征在于:所述步骤b中的铸造温度为670-685℃。
5.如权利要求1所述的汽车车身用双层复合铝合金,其特征在于:所述铝合金板B的制备方法如下:
(1)将工业纯铝、各种中间合金按配比进行称取;
(2)将所选原料进行熔化,熔体经精炼处理后铸造成铸锭;
(3)将铸锭经切头、铣面后进行均匀化处理,均匀化处理温度为420~460℃,均匀化处理时间为2~8h;
(4)将经步骤(3)处理后的铸锭热轧成板,开轧温度为450-480℃,终轧温度为280-300℃;
(5)对步骤(4)得到的热轧板进行冷轧、中间退火以及再次冷轧以获得最终厚度的成品。
6.如权利要求5所述的汽车车身用双层复合铝合金,其特征在于:所述步骤(2)中的铸造温度为685-710℃。
CN201610624233.8A 2016-08-02 2016-08-02 一种汽车车身用双层复合铝合金 Expired - Fee Related CN106216394B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610624233.8A CN106216394B (zh) 2016-08-02 2016-08-02 一种汽车车身用双层复合铝合金

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610624233.8A CN106216394B (zh) 2016-08-02 2016-08-02 一种汽车车身用双层复合铝合金

Publications (2)

Publication Number Publication Date
CN106216394A CN106216394A (zh) 2016-12-14
CN106216394B true CN106216394B (zh) 2017-11-07

Family

ID=57536352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610624233.8A Expired - Fee Related CN106216394B (zh) 2016-08-02 2016-08-02 一种汽车车身用双层复合铝合金

Country Status (1)

Country Link
CN (1) CN106216394B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587011B (zh) * 2016-08-02 2019-03-15 南通市荣力达铝业有限公司 一种车身用铝合金板及其制备方法
EP3757239B1 (en) * 2019-06-26 2021-06-16 Nemak, S.A.B. de C.V. Aluminum casting alloy, aluminum cast component and method for the production of an aluminum cast piece

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0817169D0 (en) * 2008-09-19 2008-10-29 Univ Birmingham Improved process for forming aluminium alloy sheet components
WO2010049445A1 (en) * 2008-10-30 2010-05-06 Aleris Aluminum Duffel Bvba Structural automotive component of an aluminium alloy sheet product
US8613820B2 (en) * 2009-06-12 2013-12-24 Aleris Aluminum Duffel Bvba Structural automotive part made from an Al—Zn—Mg—Cu alloy product and method of its manufacture
CN103180471B (zh) * 2010-11-05 2016-01-13 阿莱利斯铝业迪弗尔私人有限公司 由轧制的Al-Zn合金制造汽车结构部件的方法
EP2581218B2 (en) * 2012-09-12 2018-06-06 Aleris Aluminum Duffel BVBA Production of formed automotive structural parts from AA7xxx-series aluminium alloys

Also Published As

Publication number Publication date
CN106216394A (zh) 2016-12-14

Similar Documents

Publication Publication Date Title
CN106148772B (zh) 车身用铝合金板
EP2964800B1 (en) Method of manufacturing an al-mg-si alloy rolled sheet product with excellent formability
EP2635720B1 (en) Formed automotive part made from an aluminium alloy product and method of its manufacture
EP2746415B1 (en) Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the same
DE112015001073T5 (de) Batterie-Verpackungs-Material
CN108796384A (zh) 一种易冲压加工的高表面质量覆铝板带及其生产方法
CN106216394B (zh) 一种汽车车身用双层复合铝合金
JP5148930B2 (ja) プレス成形用Al−Mg−Si系アルミニウム合金板の製造方法、及びプレス成形用Al−Mg−Si系アルミニウム合金板
CN107338377B (zh) 车身用铝合金板的加工方法
CN106282690B (zh) 一种汽车车身用铝合金板的制备方法
EP3555332B1 (en) High strength and highly formable aluminum alloys resistant to natural age hardening and methods of making the same
WO2019083969A1 (en) ALUMINUM ALLOYS OF HIGH STRENGTH AND HIGH FORMATABILITY THEIR METHODS OF MANUFACTURE
EP3015572B1 (en) Hot press formed part manufacturing process
KR20220028054A (ko) 무방향성 전기강판 및 그 제조 방법
JP6011629B2 (ja) 熱間プレス部材およびその製造方法
WO2006056481A1 (en) Aluminium alloy sheet for automotive applications
RU2163939C1 (ru) Сплав на основе алюминия, способ получения полуфабрикатов и изделие из этого сплава
CN103643092A (zh) 高应变强化指数AlMgSi合金板材及其制备方法
JPH10237576A (ja) 成形加工性、塗装焼付硬化性、化成性および耐食性に優れたアルミニウム合金板およびその製造方法
JPH06262719A (ja) 成形加工性、耐食性および焼付硬化性に優れたアルミニウム合金合わせ板
JPH07188821A (ja) 低温での焼付硬化性に優れた高成形性アルミニウム合金合わせ板
JP2001032032A (ja) 樹脂被覆用アルミニウム合金材及びその製造方法
JPH07228935A (ja) 低温での焼付硬化性に優れた高成形性アルミニウム合金合わせ板
JPS6320905B2 (zh)
JPH07102336A (ja) 低温での焼付硬化性に優れた高成形性アルミニウム合金合わせ板

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171107

Termination date: 20190802