CN105714165A - 一种铝合金及其制备方法 - Google Patents

一种铝合金及其制备方法 Download PDF

Info

Publication number
CN105714165A
CN105714165A CN201610232664.XA CN201610232664A CN105714165A CN 105714165 A CN105714165 A CN 105714165A CN 201610232664 A CN201610232664 A CN 201610232664A CN 105714165 A CN105714165 A CN 105714165A
Authority
CN
China
Prior art keywords
aluminium alloy
percentage
weight
aluminum alloy
preparation
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.)
Granted
Application number
CN201610232664.XA
Other languages
English (en)
Other versions
CN105714165B (zh
Inventor
陈召勇
朱华丽
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.)
Changsha University of Science and Technology
Original Assignee
Changsha University of Science and Technology
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 Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN201610232664.XA priority Critical patent/CN105714165B/zh
Publication of CN105714165A publication Critical patent/CN105714165A/zh
Application granted granted Critical
Publication of CN105714165B publication Critical patent/CN105714165B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • 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

Landscapes

  • 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)
  • Cell Electrode Carriers And Collectors (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

本发明公开了一种铝合金及其制备方法。该铝合金按重量百分比计,包括以下组分:Mg:1.21.5%,Si:1.11.2%,Zn:2.32.5%,Nb:0.050.08%,La:0.20.8%,Ce:0.20.7%,Tb:0.070.08%,Sm:0.10.4%,Li:0.81.1%,Re:0.10.2%,Yb:0.060.08%,其余为Al。该铝合金的制备方法主要包括均匀化处理、扒渣、覆盖、精炼、铸锭、退火、锻压、固溶处理、时效处理等。本发明的铝合金抗拉强度、屈服强度、伸长率δ和硬度等性能优良。

Description

一种铝合金及其制备方法
技术领域
本发明涉及合金领域技术,尤其涉及一种铝合金及其制备方法。
背景技术
铝合金具有密度小、比强度高、耐蚀性和成型性好、成本低等一系列优点,在航空、航天、船舶、核工业及兵器工业都有着广泛的应用前景及不可替代的地位,因而铝合金技术被列为国防科技关键技术及重点发展的基础技术。
CN104294115A公开了一种铝合金,所述铝合金按照重量百分比计包括:Si:0.35%;Cu:0.25%;Fe0.3%;Mg:1.5-2.0%;Ti:0.25%;余量为Al。该铝合金的力学性能及成型性能得以提升,且组织均匀、成分稳定。
CN104313403A公开了一种具有高强度优良切屑性能的铝合金,其特征是配方比例按重量百分比计如下:Si:0.55%~0.6%;Mg:0.55%~0.62%;Mn:0.02%~0.05%;Cu:0.05%~0.1%;Ti:0.02%~0.04%;Fe:0.2%~0.25%;Bi:0.02%~0.05%,余量为铝;将铝锭熔化后经过扒渣、配合金、精炼、静置、铸造、均质化、挤压和人工时效得到产品具有高强度优良切屑性能的铝合金。该发明通过合金成分配比和生产工艺控制等手段,使该合金棒材的机械性能可达抗拉强度≥280MPa,规定非比例延伸强度≥250MPa,延伸率A≥10%,HV硬度可达98~108,大大提高了材料的切屑性能。
CN104264019A公开了一种可焊耐蚀的铝合金,包括以下重量百分比的合金成分:0.95~1.05%Mg;0.67~0.72%Mn;0.15~0.23%Cr;0.75~0.82%Si;0.005~0.2%Fe;0.38~0.45%Cu;<0.1%Zn;<0.1%Ti;余量为Al。该可焊耐蚀的铝合金具有良好热成型性、抗蚀性、疲劳性能、韧性和焊接性能。
发明内容
本发明为了解决现有技术的问题,提供了一种性能优良的铝合金。
本发明所述的一种铝合金,按重量百分比计,包括以下组分:Mg:1.2-1.5%,Si:1.1-1.2%,Zn:2.3-2.5%,Nb:0.05-0.08%,La:0.2-0.8%,Ce:0.2-0.7%,Tb:0.07-0.08%,Sm:0.1-0.4%,Li:0.8-1.1%,Re:0.1-0.2%,Yb:0.06-0.08%,其余为Al。
进一步,各组分的重量百分比为:Mg:1.3%,Si:1.1%,Zn:2.5%,Nb:0.07%,La:0.3%,Ce:0.5%,Tb:0.07%,Sm:0.3%,Li:0.9%,Re:0.1%,Yb:0.06%,其余为Al。
上述铝合金的制备方法如下:
1)将重量百分比为:Mg:1.2-1.5%,Si:1.1-1.2%,Zn:2.3-2.5%,Nb:0.05-0.08%,La:0.2-0.8%,Ce:0.2-0.7%,Tb:0.07-0.08%,Sm:0.1-0.4%,Li:0.8-1.1%,Re:0.1-0.2%,Yb:0.06-0.08%,其余为Al的铝合金铸锭均匀化热处理:温度为590-600℃,时间为5小时;
2)均匀化热处理后进行搅拌与扒渣,用干燥的CaCl2、NaCl和KCl混合卤化物进行覆盖,精炼,浇铸成锭,其中,CaCl2、NaCl和KCl的重量比为1:2:2;
3)对浇铸成锭铝合金进行500~510℃退火,时间为20小时,530℃预热后进行锻压加工,在580℃进行固溶处理,然后进行时效处理。
由于采用了上述技术方案,本发明与现有技术相比具有如下有益效果:本发明的铝合金性能满足:抗拉强度σb=320~360Mpa、屈服强度≥223MPa、伸长率δ≥23%、HV硬度为112~116。
具体实施方式
下面结合具体实例对本发明做出详细说明。
实施例1:
一种铝合金,按重量百分比计,包括以下组分:Mg:1.2%,Si:1.1%,Zn:2.4%,Nb:0.07%,La:0.8%,Ce:0.5%,Tb:0.07%,Sm:0.3%,Li:1.1%,Re:0.1%,Yb:0.07%,其余为Al。
该铝合金性能满足:抗拉强度σb=330Mpa、屈服强度为225MPa、伸长率δ为24%、HV硬度为112。
实施例2:
一种铝合金,按重量百分比计,包括以下组分:Mg:1.5%,Si:1.2%,Zn:2.5%,Nb:0.08%,La:0.8%,Ce:0.6%,Tb:0.07%,Sm:0.4%,Li:1.0%,Re:0.2%,Yb:0.08%,其余为Al。
该铝合金性能满足:抗拉强度σb=335Mpa、屈服强度为227MPa、伸长率δ为25%、HV硬度为113。
实施例3:
一种铝合金,按重量百分比计,包括以下组分:Mg:1.3%,Si:1.1%,Zn:2.5%,Nb:0.07%,La:0.3%,Ce:0.5%,Tb:0.07%,Sm:0.3%,Li:0.9%,Re:0.1%,Yb:0.06%,其余为Al。
该铝合金性能满足:抗拉强度σb=336Mpa、屈服强度为228MPa、伸长率δ为25%、HV硬度为116。
实施例4:
一种铝合金的制备方法,步骤如下:
1)将重量百分比为:Mg:1.3%,Si:1.1%,Zn:2.5%,Nb:0.07%,La:0.3%,Ce:0.5%,Tb:0.07%,Sm:0.3%,Li:0.9%,Re:0.1%,Yb:0.06%,其余为Al的铝合金铸锭均匀化热处理:温度为600℃,时间为5小时;
2)均匀化处理后进行搅拌与扒渣,用干燥的CaCl2、NaCl和KCl混合卤化物进行覆盖,精炼,浇铸成锭,其中,CaCl2、NaCl和KCl的重量比为1:2:2;
3)对浇铸成锭铝合金进行510℃退火,时间为20小时,530℃预热后进行锻压加工,在580℃进行固溶处理,然后进行时效处理。

Claims (3)

1.一种铝合金,其特征在于,按重量百分比计,包括以下组分:Mg:1.2-1.5%,Si:1.1-1.2%,Zn:2.3-2.5%,Nb:0.05-0.08%,La:0.2-0.8%,Ce:0.2-0.7%,Tb:0.07-0.08%,Sm:0.1-0.4%,Li:0.8-1.1%,Re:0.1-0.2%,Yb:0.06-0.08%,其余为Al。
2.根据权利要求1所述的铝合金,其特征在于,各组分的重量百分比为:Mg:1.3%,Si:1.1%,Zn:2.5%,Nb:0.07%,La:0.3%,Ce:0.5%,Tb:0.07%,Sm:0.3%,Li:0.9%,Re:0.1%,Yb:0.06%,其余为Al。
3.一种铝合金的制备方法,其特征在于,步骤如下:
1)将重量百分比为:Mg:1.2-1.5%,Si:1.1-1.2%,Zn:2.3-2.5%,Nb:0.05-0.08%,La:0.2-0.8%,Ce:0.2-0.7%,Tb:0.07-0.08%,Sm:0.1-0.4%,Li:0.8-1.1%,Re:0.1-0.2%,Yb:0.06-0.08%,其余为Al的铝合金铸锭均匀化热处理,温度为590-600℃,时间为5小时;
2)均匀化热处理后进行搅拌与扒渣,用干燥的CaCl2、NaCl和KCl混合卤化物进行覆盖,精炼,浇铸成锭,其中,CaCl2、NaCl和KCl的重量比为1:2:2;
3)对浇铸成锭铝合金进行500~510℃退火,时间为20小时,530℃预热后进行锻压加工,在580℃进行固溶处理,然后进行时效处理。
CN201610232664.XA 2016-04-15 2016-04-15 一种铝合金及其制备方法 Expired - Fee Related CN105714165B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610232664.XA CN105714165B (zh) 2016-04-15 2016-04-15 一种铝合金及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610232664.XA CN105714165B (zh) 2016-04-15 2016-04-15 一种铝合金及其制备方法

Publications (2)

Publication Number Publication Date
CN105714165A true CN105714165A (zh) 2016-06-29
CN105714165B CN105714165B (zh) 2017-09-26

Family

ID=56160571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610232664.XA Expired - Fee Related CN105714165B (zh) 2016-04-15 2016-04-15 一种铝合金及其制备方法

Country Status (1)

Country Link
CN (1) CN105714165B (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103468982A (zh) * 2013-08-12 2013-12-25 安徽环宇铝业有限公司 一种含镨超高强铝合金型材的生产工艺
CN103667827A (zh) * 2014-01-16 2014-03-26 张霞 一种铝合金板材及其制备方法
CN103667824A (zh) * 2013-12-03 2014-03-26 广东永利坚铝业有限公司 一种超高强度、淬火敏感性低、可焊接的铝合金及生产工艺和型材加工方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103468982A (zh) * 2013-08-12 2013-12-25 安徽环宇铝业有限公司 一种含镨超高强铝合金型材的生产工艺
CN103667824A (zh) * 2013-12-03 2014-03-26 广东永利坚铝业有限公司 一种超高强度、淬火敏感性低、可焊接的铝合金及生产工艺和型材加工方法
CN103667827A (zh) * 2014-01-16 2014-03-26 张霞 一种铝合金板材及其制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
潘锦华: "稀土金属对铸造铝合金的变质作用", 《航天工艺》 *
黄伯云等主编: "《中国材料工程大典.第4卷.有色金属材料工程.上》", 31 August 2005, 化学工程出版社 *

Also Published As

Publication number Publication date
CN105714165B (zh) 2017-09-26

Similar Documents

Publication Publication Date Title
CN100467647C (zh) 一种高强度耐热压铸镁合金及其制备方法
EP3669011A1 (en) Method of forming a cast aluminium alloy
US20060011321A1 (en) Aluminum diecasting alloy
JP6943968B2 (ja) ダイカスト鋳造用アルミニウム合金及びそれを用いた機能性部品
US20030129074A1 (en) High temperature resistant magnesium alloys
CA3021397A1 (en) Die casting alloy
KR20170138916A (ko) 다이캐스트용 알루미늄 합금 및 이를 사용한 알루미늄 합금 다이캐스트
EP3189173A1 (en) A casting al-mg-zn-si based aluminium alloy for improved mechanical performance
CA2909202C (en) Aluminum-free magnesium wrought alloy
CN110592445B (zh) 720-740MPa冷挤压Al-Zn-Mg-Cu-Ti铝合金及制备方法
WO2013144343A1 (en) Alloy and method of production thereof
CN104694800A (zh) 一种高强、轻质Al-Mg-Zn合金
CN110331319B (zh) 一种含钪和铒的高强、高塑性耐蚀铝合金及其制备方法
CN109881061B (zh) 一种高强高耐蚀镁合金及其制备方法
CN105838939A (zh) 一种铝镁合金
US20230212717A1 (en) Aluminum casting alloy
RU2313594C1 (ru) Сплав на основе алюминия
JP6590814B2 (ja) 高性能耐クリープ性マグネシウム合金
EP3505648A1 (en) High-strength aluminum alloy, internal combustion engine piston comprising said alloy, and method for producing internal combustion engine piston
CN110592448B (zh) 耐热耐腐蚀2219型铝合金及其制备方法
CN109967915B (zh) 一种用于高性能铝合金的含钪铝合金焊丝
US10156004B2 (en) Aluminum-free magnesium alloy
CN105714165B (zh) 一种铝合金及其制备方法
CN115505797A (zh) 一种6系铝合金棒材及其制备方法和应用
CN108330359A (zh) 一种稀土改性铝合金及其制备方法

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

Granted publication date: 20170926

CF01 Termination of patent right due to non-payment of annual fee