Development of Aluminum Recycling Technology

铝回收技术的发展

基本信息

  • 批准号:
    07555187
  • 负责人:
  • 金额:
    $ 5.63万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
  • 财政年份:
    1995
  • 资助国家:
    日本
  • 起止时间:
    1995 至 1996
  • 项目状态:
    已结题

项目摘要

This study was conducted for the purposes of searching a useful element for the removal of impurities such as Bi, Si, Fe ets. expected to be mixed when recycling aluminum alloys and for determining the tolerance limits of impurities satisfying various properties of the wrought Al-Mn and Al-Mg-Si alloys specified by JIS.Solidification behavior, and effects of impurities on mechanical properties, formability and corrosion resistance of the recycled commercial aluminum alloys were investigated from the view point of metallography. (1) Giant intermetallic compounds with sizes of over 10 mu m crystallize when 3d transition elements such as V and Mn are added to 6061 and 6063 aluminum alloy melts. The compounds are Al_6Mn or alpha -Al (Mn, Fe) Si phases replaced by other elements on occupying sites of Mn and Fe in their crystal structures and they settle at the bottom of the crucible during a short time due to their larger specific gravity than that of aluminum melt. (2) In Al-Mn (3003) allo … More y, increases in contents of Bi and Ca cause no changes of tensile strength and 0.2% proof stress, but decreases in elongation, Charpy impact value, formability and corrosion resistance. Particularly, a coarse CaAl_2Si_2 compound increases with increasing Ca content, resulting in the drastic degradation of elongation and impact value. Therefore, amount of Ca remained in the 3003 alloy should be less than 0.1%. (3) In Al-Mg-Si (6061) alloy, tensile strength and 0.2% proof stress are markedly lowered because crystallized compounds increases with increases in V,Mn and Ca contents. The compounds largely contain silicon which contributes to age hardening in 6061 aluminum alloy. Elongation and impact value are degraded due to the existence of the coarse compound in the V-containing alloy ; unchanged in the Mn-containing alloy ; and upgraded due to softening of matrix phase and the fine-distributed compounds in the Ca-containing alloy. There is no effect of Zr content up to 0.3% on the various properties of 6061 aluminum alloy. It's required that V,Mn and Ca contents in 6061 aluminum alloy are less than 0.2%, 0.4% and 0.1% respectively to guarantee tensile properties satisfying JIS values. Less
本研究的目的是寻找一个有用的元素,用于去除杂质,如Bi,Si,Fe等。为了确定杂质的允许量,满足JIS规定的Al-Mn和Al-Mg-Si变形铝合金的各种性能要求,从金相角度研究了回收铝合金的凝固行为,以及杂质对回收铝合金的力学性能、成形性能和耐蚀性的影响。(1)在6061和6063铝合金熔体中加入V、Mn等3d过渡元素后,形成尺寸超过10 μ m的巨型金属间化合物。这些化合物是Al_6Mn或α-Al(Mn,Fe)Si相,在其晶体结构中占据Mn和Fe的位置,被其它元素取代,由于它们的比重比铝熔体大,在短时间内沉积在坩埚底部。(2)In Al-Mn(3003)合金 ...更多信息 增加Bi和Ca含量对合金的抗拉强度和0.2%屈服强度没有影响,但使合金的伸长率、夏比冲击值、成形性和耐蚀性下降。特别是随着Ca含量的增加,粗大的CaAl_2Si_2化合物增多,导致伸长率和冲击值急剧下降。因此,3003合金中残留的Ca量应小于0.1%。(3)在Al-Mg-Si(6061)合金中,随着V、Mn和Ca含量的增加,晶化化合物增多,抗拉强度和0.2%屈服强度显著降低。这些化合物主要含有硅,这有助于6061铝合金的时效硬化。含V合金中粗大化合物的存在降低了伸长率和冲击值;含Mn合金中伸长率和冲击值不变;含Ca合金中细化化合物和基体相软化提高了伸长率和冲击值。Zr含量在0.3%以内对6061铝合金的各项性能没有影响。为保证6061铝合金的拉伸性能满足JIS标准要求,要求合金中V、Mn和Ca的含量分别小于0.2%、0.4%和0.1%。少

项目成果

期刊论文数量(9)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
T.Ohno, K.Miyazawa, S.Kamado, Y.Kojima, R.Masuda, and K.Oosumi: "Effects of Mn and Zr on Microstructures and Various Properties of 6061 Aluminum Alloys" Proceedings of the 91th Conference of Journal of Japan Institute of Light Metals. 355-356 (1996)
T.Ohno、K.Miyazawa、S.Kamado、Y.Kojima、R.Masuda 和 K.Oosumi:“Mn 和 Zr 对 6061 铝合金微观结构和各种性能的影响”第 91 届日本期刊会议论文集
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    0
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根村亮善,大野猛,鎌土重晴,小島陽,増田隆平,大隅研治: "アルミニウム合金の組織および諸特性に及ぼすカルシウムの影響" エコテクノロジー研究. 1. 222-223 (1996)
Ryoyoshi Nemura、Takeshi Ohno、Shigeharu Kamado、Yo Kojima、Ryuhei Masuda、Kenji Osumi:“钙对铝合金结构和性能的影响”生态技术研究。1. 222-223 (1996)。
  • DOI:
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  • 影响因子:
    0
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大野猛,根村亮善,鎌土重晴,小島陽,増田隆平,大隅研治: "3003アルミニウム合金の組織および諸性質に及ぼすBiの影響" 第89回軽金属学会秋期大会講演概要集. 115-116 (1995)
Takeshi Ohno、Ryoyoshi Nemura、Shigeharu Kamado、Yo Kojima、Ryuhei Masuda、Kenji Ohsumi:“Bi 对 3003 铝合金结构和性能的影响”第 89 届日本轻金属学会秋季会议论文集(1995 年)。
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    0
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A.Nemura, T.Ohno, S.Kamado, Y.Kojima, R.Masuda, and K.Oosumi: "Effect of Cacium on Microstructure and Various Properties of Auminum Alloy" Journal of Ecotechnology Research. Vol.1. 222-223 (1995)
A.Nemura、T.Ohno、S.Kamado、Y.Kojima、R.Masuda 和 K.Oosumi:“钙对铝合金微观结构和各种性能的影响”生态技术研究杂志。
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  • 影响因子:
    0
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  • 通讯作者:
根村亮善,大野猛,鎌土重晴,小島陽,増田隆平,大隅研治: "6061アルミニウム合金の組織および諸特性に及ぼす残留バナジウムの影響" 軽金属. 46. 570-575 (1996)
Ryoyoshi Nemura、Takeshi Ohno、Shigeharu Kamado、Yo Kojima、Ryuhei Masuda、Kenji Ohsumi:“残余钒对 6061 铝合金结构和性能的影响”轻金属 46. 570-575 (1996)。
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    0
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KAMADO Shigeharu其他文献

KAMADO Shigeharu的其他文献

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{{ truncateString('KAMADO Shigeharu', 18)}}的其他基金

Elucidation of the high-performance expression mechanism of heterostructural magnesium alloys and its application to the structural control
异质结构镁合金高性能表达机制的阐明及其在结构控制中的应用
  • 批准号:
    25249101
  • 财政年份:
    2013
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Suppression of twin deformation by ordered nano-scale precipitate and its application to room temperature forming
有序纳米级析出物抑制孪晶变形及其在室温成形中的应用
  • 批准号:
    23656455
  • 财政年份:
    2011
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Establishment of multi-scale structural controlling process technology aiming to high performance common magnesium alloys
高性能普通镁合金多尺度组织控制工艺技术的建立
  • 批准号:
    22246094
  • 财政年份:
    2010
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Establishment of Green Processing Technology for Magnesium Alloys
镁合金绿色加工技术的建立
  • 批准号:
    17206076
  • 财政年份:
    2005
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Fabrication of Premium Magnesium Castings by Semi-solid Forming Process
采用半固态成型工艺制造优质镁铸件
  • 批准号:
    11225207
  • 财政年份:
    1999
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Fabrication of Thin Aluminum Alloy Slab and Technological Development for Its Application
铝合金薄板坯的制备及其应用技术开发
  • 批准号:
    10555228
  • 财政年份:
    1998
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
Microstructural Control of Mg_2Ni Hydrogen Absorbing Alloys by Rapid Solidification and Mechanical Grinding
快速凝固和机械研磨对Mg_2Ni吸氢合金的显微组织控制
  • 批准号:
    09650757
  • 财政年份:
    1997
  • 资助金额:
    $ 5.63万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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