Effect of pulse electrodeposition on Sn-Cu Coatings for Pb-free applications - (PPT)

机译：脉冲电沉积对无铅应用Sn-Cu涂料的影响 - （PPT）

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Sn-Cu alloy electrodeposits were composed of thin columnar grains and copper was in the form of Cu_6Sn_5 IMCs precipitated in the grain boundaries. During PC 'off' time a nanometre thick immersion deposit of Cu is formed. The Cu immersion deposit rapidly reacts with Sn to form Cu-Sn intermetallic. With very high 'off' time Sn migration can cause holes to appear in the deposit. Immersion deposit formed during PC 'off time' increases Cu content in alloy deposit.

机译：SN-Cu合金电沉积物由薄柱状晶粒组成，铜以晶界沉淀的Cu_6SN_5 IMC的形式。在PC'OFF'期间，形成Cu的纳米厚的浸渍沉积物。 Cu浸渍沉积物快速反应，以形成Cu-Sn金属间金属间。非常高的'OFF'时间SN迁移可以导致储蓄中出现孔。在PC'OFF时间'期间形成的浸渍沉积物增加了合金沉积物中的Cu含量。

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《National Association for Surface Finishing Manufacturing Technology Trade Show Conference》|2017年|632p|共13页
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Andrew J. Cobley; Liang Wu;
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中图分类 TG17-53;
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1. Mechanism for the development of Sn-Cu alloy coatings produced by pulsed current electrodeposition [J] . Wu Liang, Graves John E., Cobley Andrew J. Materials Letters . 2018,第apra15期

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2. Pulsed electrodeposition, mechanical properties and wear mechanism in Ni-W/SiC nanocomposite coatings used for automotive applications [J] . Wasekar Nitin P., Bathini Lavakumar, Ramakrishna L., Applied Surface Science . 2020,第Octa15期

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3. Electrodeposition of Pb-free Sn alloys in pulsed current [J] . Neveu B, Lallemand F, Poupon G, Applied Surface Science . 2006,第10期

机译：脉冲电流中无铅锡合金的电沉积
4. Effect of pulse electrodeposition on Sn-Cu Coatings for Pb-free applications - (PPT) [C] . Andrew J. Cobley, Liang Wu National Association for Surface Finishing Manufacturing Technology Trade Show Conference . 2017

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5. Pulse electrodeposition of cobalt-tungsten and its composite coatings for hard chrome replacements. [D] . Mulukutla, Mrinalini. 2011

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8. Review of Pulse Plating; Electrodeposition of Metallic/Alloy Coatings. Includes an Experimental Study of Ni-Cu Multilayer Deposits. [R] . Palmqvist, U. 2001

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Effect of pulse electrodeposition on Sn-Cu Coatings for Pb-free applications - (PPT)

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