Investigation of Morphology and Electrical Properties of Contact Materials after Airtightness Test

Zhi Gang Kong; Yi Gang Kong

doi:10.4028/www.scientific.net/MSF.789.501

Paper Titles

Progress in Novel Composite Thermal Barrier Coating
p.471

Assessment of Mobilities of the B2 Phase in the Nickel-Chromium-Aluminum System
p.477

Diffusion Behavior of Interface between 6061 Aluminum Substrate and Ni–5wt.%Al Coating
p.489

Electrochemical Impedance Spectroscopy (EIS) Study of Nano-Composite Polyurea Coating under the Wet-Dry Cyclic Conditions
p.495

Investigation of Morphology and Electrical Properties of Contact Materials after Airtightness Test
p.501

Research and Application Status of Atmospheric Plasma Spray Torch in Internal Feedstock Mode
p.507

Microstructure and Properties of Zirconia Co-Doped with Yttria and Cenosphere Coating Prepared by Air Plasma Spraying
p.513

SHS Reactive Arc Spray - A New Method to Prepare Multiphase Ceramic Coatings
p.518

Anti-Ablation Property of MoSi₂ Coatings Deposited by APS
p.522

HomeMaterials Science ForumMaterials Science Forum Vol. 789Investigation of Morphology and Electrical...

Investigation of Morphology and Electrical Properties of Contact Materials after Airtightness Test

Abstract:

In this article, the corrosion behavior of the gold plating and the silver plating specimens are studied. It is found that the airtightness have effects on the contact properties of the different plating specimens. The surface morphology of specimens is observed by stereoscopic microscope and scanning electron microscope (SEM). Chemical constitution was examined by X-ray energy spectrum. The contact resistances were measured by four-point method. The experiment results show that the corrosion appearance of the silver plating is severer than that of the gold plating one after airtightness test. The corrosion degree of plating specimens decreased with the increase of the coatings thickness. The static contact resistances of corrosive spots appear higher contact resistance than normal value. It is found the high and unstable contact resistance of the corrosion products is more likely to cause contact failure. The influencing factor of the corrosion products with different plating has an important influence on the airtightness test and the contact failure of electric connector.

You might also be interested in these eBooks

Nano-Scale Materials, Materials Processing and Genomic Engineering

View Preview

Info:

Periodical:

Materials Science Forum (Volume 789)

Pages:

501-506

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.789.501

Citation:

Cite this paper

Online since:

April 2014

Authors:

Zhi Gang Kong*, Yi Gang Kong

Keywords:

Airtightness, Contact Failure, Corrosion, Plating

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] N.A. Stennett, D.S. Campbell, Normal force reduction a variable activation energy process, IEEE transactions on components, packaging, and manufacturing technology, 12(1994) 128-132.

DOI: 10.1109/95.296378

Google Scholar

[2] X.Y. Lin, J.G. Zhang, Natural corrosion and electrical contact property of gold plating on contacts, Electronic Components and Materials, 4 (2001)11-16.

Google Scholar

[3] G.T. Flowers, F. Xie, Vibration Testing of Fretting Corrosion in Electrical Connectors Subjected to Multi-Frequency and Random Spectral Profiles, Proceedings of the 49th IEEE Holm Conference on Electrical Contacts, 2003, pp.45-49.

DOI: 10.1109/holm.2003.1246477

Google Scholar

[4] X.Y. Lin, Y.L. Zhou, Island growth of corroded products on various plated surfaces after long-term indoor air exposure in China, Proc. 45th IEEE Holm Conf. on Electric Contacts. 1999, pp.153-161.

DOI: 10.1109/holm.1999.795942

Google Scholar

[5] Z.P. He, L.J. Xu, Micro motion at the failed contact interfaces. Proceedings of the 51st IEEE Holm Conference on Electric Contacts, 9 (2005)180-185.

DOI: 10.1109/holm.2005.1518242

Google Scholar

[6] Y.L. Zhou, X.Y. Lin and J.G. Zhang, Electric contact behavior of various plating after long term indoor air exposure, Proc.of 20thICEC, 2000, pp.81-86.

Google Scholar

[7] M.J. Walker, D. Berman and C. Nordquist, Electrical contact resistance and device lifetime measurements of Au-RuO2-based RF MEMS exposed to hydrocarbons in vacuum and nitrogen environments, Tribology Letters, 3(2011)305-309.

DOI: 10.1007/s11249-011-9849-8

Google Scholar

[8] P.J. Hartlieb, A. Roskowski and R.F. Davis, Chemical, electrical, and structural properties of Ni/Au contacts on chemical vapor cleaned p-type GaN, Journal of Applied Physics, 11 (2002) 9151-9154.

DOI: 10.1063/1.1471578

Google Scholar

[9] H. Cho, D.Y. Hwang, A study on the development of environment-friendly Ag-SnO2 electric contact materials through a powder metallurgy, Materials Science Forum, 3 (2006) 2761-2768.

Google Scholar

[10] H. Cetin, E. Ayyıldız, Electrical characteristics of Au, Al, Cu/n-InP Schottky contacts formed on chemically cleaned and air-exposed n-InP surface, Original Research Article Physica B: Condensed Matter, 1 (2007) 93-98.

DOI: 10.1016/j.physb.2007.02.013

Google Scholar

[11] H.K. Kwon, S.S. Jang and Y.H. Park, Investigation of the electrical contact behaviors in Au-to-Au thin-film contacts for RF MEMS switches, Journal of Micromechanics and Microengineering, 10 (2008) 28-33.

DOI: 10.1088/0960-1317/18/10/105010

Google Scholar

[12] K.H. Kang, O.V. Penkov and H.J. Kim, Effectiveness of bubble structure in contact damage reduction of Au film, Tribology International, 55(2012) 40-45.

DOI: 10.1016/j.triboint.2012.05.011

Google Scholar

[13] J.G. Zhang, X.Y. Lin and Y.L. Zhou, Tidal corrosion and concentric rings on gold plated contacts, Proc.of 20thICEC, 2000, pp.127-131.

Google Scholar

[14] G. Greco, F. Roccaforte, Evolution of structural and electrical properties of Au/Ni contacts onto p-GaN after annealing, Materials Science Forum, 717(2012) 1295-1261.

DOI: 10.4028/www.scientific.net/msf.717-720.1295

Google Scholar