Evaluating the role of nickel-coated carbon fiber in improving high-temperature capabilities of Sn–3.0Ag–0.5Cu solder joints

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

Journal of Materials Science Pub Date : 2024-12-07 DOI:10.1007/s10853-024-10472-3

Yihui Du, Xiaoliang Ji, Aiwei Liu, Yishu Wang, Fu Guo

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Abstract

The study explores the possible application of nickel-coated carbon fiber (Ni@CF) to enhance the high-temperature reliability of Sn–3.0Ag–0.5Cu solder connections. It thoroughly examines the growth behavior of intermetallic compounds (IMC) during high-temperature aging. The research results show that after 192 h of aging at 200 °C, the overall IMC layer thickness was reduced because of the more tortuous grain boundaries of the interfacial IMC in the Ni@CF composite solder joints. Additionally, the incorporation of Ni@CF led to decreasing disparities in hardness and modulus between the solder matrix and IMC near the joining interface and improved solder matrix and substrate compliance. Enhanced high-temperature hardness of composite solder matrix up to 200 °C while maintaining solder joint integrity was observed. The study provides a comprehensive insight into the influence of Ni@CF on interfacial IMC grain structure and the reliability of the composite solder joints in high-temperature environments.

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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.