Fabrication and characterization of zinc-coated aluminum particle joining materials via zincate treatment

IF 3.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2024-11-15 DOI:10.1007/s10853-024-10421-0

Tatsuya Kobayashi, Rika Goto, Ikuo Shohji

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Abstract

This study investigated the microstructure of Zn-coated Al particle joints, the reaction layer at the interface between Zn-coated Al particles and Ni plates, and the joints' shear strength. Zn-coated Al particles were prepared by subjecting Al particles to a zincate treatment. The formation of a Zn plating film on the surface of Al particles was confirmed by cross-sectional microstructural observation. The differential scanning calorimetry analysis revealed the presence of an endothermic peak at approximately 383 °C, which indicated the occurrence of eutectic melting at the interface between the Zn plating film and Al particles. Cross-sectional observation of the joints revealed the formation of a reaction layer at the interface under joining conditions of 400 °C joining temperature, 8 MPa pressure, and 10 or 30 min joining times. Shear tests showed that the shear strength increased with the joining time, reaching a value of 26.9 MPa under the 30 min joining time condition. After the shear test, fractures at the interface were observed between the joining material and the Ni plate or within the joining material itself.

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通过锌酸盐处理制造锌涂层铝颗粒连接材料并确定其特性

本研究探讨了锌涂层铝颗粒接合处的微观结构、锌涂层铝颗粒与镍板界面的反应层以及接合处的剪切强度。锌涂层铝颗粒是通过对铝颗粒进行锌酸盐处理制备的。通过横截面微观结构观察确认了铝颗粒表面锌镀膜的形成。差示扫描量热分析表明，在约 383 ℃ 的温度下存在一个内热峰，这表明在锌镀膜和铝粒子的界面上发生了共晶熔化。接合处的横截面观察显示，在接合温度为 400 ℃、压力为 8 兆帕、接合时间为 10 或 30 分钟的接合条件下，界面上形成了反应层。剪切试验表明，剪切强度随着接合时间的延长而增加，在 30 分钟接合时间条件下达到 26.9 兆帕。剪切试验后，在接合材料和镍板之间或接合材料本身内部的界面上观察到了断裂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.