Surface analysis of silver-plated circuit boards in a salt-spray environment

Lidan Yan; Kui Xiao; Pan Yi; Chaofang Dong; Junsheng Wu; Chengliang Mao; Xiaogang Li

doi:10.1016/j.jallcom.2016.07.207

Surface analysis of silver-plated circuit boards in a salt-spray environment

Lidan Yan
, Kui Xiao^*
, Pan Yi
, Chaofang Dong
, Junsheng Wu
, Chengliang Mao
, Xiaogang Li

^*Corresponding author for this work

University of Science and Technology Beijing

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

By conducting salt-spray tests, we studied the corrosion behaviour and mechanism of printed circuit boards with an immersion Ag surface finish (PCB-ImAg) in polluted environments that contain SO₂and Cl⁻. The polluted environment was similar to the polluted marine atmosphere environment in Qingdao China. A comparison of micrographs of the test specimens revealed that the test specimens containing SO₂and Cl⁻suffered more serious damage. The entire corrosion process resulted in unevenly distributed partial corrosion products at the initial stage. However, this distribution gradually became uniform. The Raman spectroscopic analysis results for the test specimens containing SO₂and Cl⁻show that the corrosion products mainly comprised Cu₄(OH)₆SO₄, Cu₂Cl(OH)₃, Cu₂O, Ag₂O, Ag₂CO₃, Ag₂SO₃and Ag₂SO₄.

Original language	English
Pages (from-to)	301-312
Number of pages	12
Journal	Journal of Alloys and Compounds
Volume	688
DOIs	https://doi.org/10.1016/j.jallcom.2016.07.207
State	Published - 2016
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 14 Life Below Water

Keywords

Failure mechanism
Raman spectroscopy
Salt-spray environment corrosion
Silver-plated circuit boards

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10.1016/j.jallcom.2016.07.207

Cite this

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title = "Surface analysis of silver-plated circuit boards in a salt-spray environment",

abstract = "By conducting salt-spray tests, we studied the corrosion behaviour and mechanism of printed circuit boards with an immersion Ag surface finish (PCB-ImAg) in polluted environments that contain SO2and Cl−. The polluted environment was similar to the polluted marine atmosphere environment in Qingdao China. A comparison of micrographs of the test specimens revealed that the test specimens containing SO2and Cl−suffered more serious damage. The entire corrosion process resulted in unevenly distributed partial corrosion products at the initial stage. However, this distribution gradually became uniform. The Raman spectroscopic analysis results for the test specimens containing SO2and Cl−show that the corrosion products mainly comprised Cu4(OH)6SO4, Cu2Cl(OH)3, Cu2O, Ag2O, Ag2CO3, Ag2SO3and Ag2SO4.",

keywords = "Failure mechanism, Raman spectroscopy, Salt-spray environment corrosion, Silver-plated circuit boards",

author = "Lidan Yan and Kui Xiao and Pan Yi and Chaofang Dong and Junsheng Wu and Chengliang Mao and Xiaogang Li",

note = "Publisher Copyright: {\textcopyright} 2016",

year = "2016",

doi = "10.1016/j.jallcom.2016.07.207",

language = "英语",

volume = "688",

pages = "301--312",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Surface analysis of silver-plated circuit boards in a salt-spray environment

AU - Yan, Lidan

AU - Xiao, Kui

AU - Yi, Pan

AU - Dong, Chaofang

AU - Wu, Junsheng

AU - Mao, Chengliang

AU - Li, Xiaogang

PY - 2016

Y1 - 2016

N2 - By conducting salt-spray tests, we studied the corrosion behaviour and mechanism of printed circuit boards with an immersion Ag surface finish (PCB-ImAg) in polluted environments that contain SO2and Cl−. The polluted environment was similar to the polluted marine atmosphere environment in Qingdao China. A comparison of micrographs of the test specimens revealed that the test specimens containing SO2and Cl−suffered more serious damage. The entire corrosion process resulted in unevenly distributed partial corrosion products at the initial stage. However, this distribution gradually became uniform. The Raman spectroscopic analysis results for the test specimens containing SO2and Cl−show that the corrosion products mainly comprised Cu4(OH)6SO4, Cu2Cl(OH)3, Cu2O, Ag2O, Ag2CO3, Ag2SO3and Ag2SO4.

AB - By conducting salt-spray tests, we studied the corrosion behaviour and mechanism of printed circuit boards with an immersion Ag surface finish (PCB-ImAg) in polluted environments that contain SO2and Cl−. The polluted environment was similar to the polluted marine atmosphere environment in Qingdao China. A comparison of micrographs of the test specimens revealed that the test specimens containing SO2and Cl−suffered more serious damage. The entire corrosion process resulted in unevenly distributed partial corrosion products at the initial stage. However, this distribution gradually became uniform. The Raman spectroscopic analysis results for the test specimens containing SO2and Cl−show that the corrosion products mainly comprised Cu4(OH)6SO4, Cu2Cl(OH)3, Cu2O, Ag2O, Ag2CO3, Ag2SO3and Ag2SO4.

KW - Failure mechanism

KW - Raman spectroscopy

KW - Salt-spray environment corrosion

KW - Silver-plated circuit boards

UR - https://www.scopus.com/pages/publications/84979695884

U2 - 10.1016/j.jallcom.2016.07.207

DO - 10.1016/j.jallcom.2016.07.207

M3 - 文章

AN - SCOPUS:84979695884

SN - 0925-8388

VL - 688

SP - 301

EP - 312

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Surface analysis of silver-plated circuit boards in a salt-spray environment

Abstract

UN SDGs

Keywords

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