2時(shí),所得粉體粒度最小,純度最高；In3+濃度對(duì)粉體粒度的影響最小,但對(duì)純度影響最大；在此工藝參數(shù)和In3+濃度為30g/L,電流密度為130 A/cm2的條件下電解1h,可得到粒度小于100μm的銦微粉,其中粒度小于30μm的占75%。"/>

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電解工藝參數(shù)對(duì)銦微粉純度和粒度的影響(I)
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青海大學(xué)機(jī)械工程學(xué)院,青海大學(xué)機(jī)械工程學(xué)院,青海大學(xué)機(jī)械工程學(xué)院,東北大學(xué)冶金學(xué)院

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青海省科技廳科技促進(jìn)計(jì)劃項(xiàng)目(項(xiàng)目號(hào)2014-ZJ-781)


Effect of Electrolytic Process Parameters on the Purity andParticle Size of Indium Powder (I)
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School of Mechanical Engineering,Qinghai University,School of Mechanical Engineering,Qinghai University,School of Mechanical Engineering,Qinghai University,School of Metallurgy,Northeastern University

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    摘要:

    研究了電解工藝制備銦微粉時(shí),銦離子濃度、電流密度和連續(xù)電解時(shí)間對(duì)粉體純度和粒度的影響。結(jié)果表明：當(dāng)電工藝參數(shù)為NaCl濃度80g/L,極距5cm,硫脲濃度0.3g/L,明膠濃度0.5g/L,pH=2.5,添加劑聚乙烯吡咯烷酮用量為0.2g/L時(shí),連續(xù)電解時(shí)間越長(zhǎng),所得粉體粒度越大；電流密度為130A/m2時(shí),所得粉體粒度最小,純度最高；In3+濃度對(duì)粉體粒度的影響最小,但對(duì)純度影響最大；在此工藝參數(shù)和In3+濃度為30g/L,電流密度為130 A/cm2的條件下電解1h,可得到粒度小于100μm的銦微粉,其中粒度小于30μm的占75%。

    Abstract:

    The effect of indium ion concentration, current density and continuous electrolysis time on the purity and size of the powder by electrolysis process was studied. The results show that：Continuous electrolysis time is longer, the larger sizes of the powder were obtained when the electric parameters are: NaCl concentration is 80g/L, polar distance is 5 cm, thiourea concentration is 0.3 g/L, gelatin concentration is 0.5 g/l, pH = 2.5, Polyvinyl ketone(PVP) is 0.2 g/L. When the current density is 130 A/m2, the particle size of the powder is the smallest, and the purity is the highest. The effect of In3+ concentration on the particle size is the least, but the influence on the purity is the most. Under the conditions of process parameters above and In3+ concentration of 30 g/L, the current density of 130 A/cm2, electrolytic for 1h, the particle size of less than 100 μm indium powder were obtained, which the particle size of less than 30 μm accounted for 75%.

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王曉民,王志新,喇學(xué)偉,張廷安.電解工藝參數(shù)對(duì)銦微粉純度和粒度的影響(I)[J].稀有金屬材料與工程,2017,46(10):3151~3155.[Xiao-min Wang, Zhi-xin Wang, Xue-wei La, Ting-an Zhang. Effect of Electrolytic Process Parameters on the Purity andParticle Size of Indium Powder (I)[J]. Rare Metal Materials and Engineering,2017,46(10):3151~3155.]
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  • 收稿日期:2016-08-05
  • 最后修改日期:2016-09-26
  • 錄用日期:2016-12-07
  • 在線發(fā)布日期: 2017-12-01
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