Quantitative microstructure characterization of Ag nanoparticle sintered joints for power die attachment

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Wang, Yun, Li, Jianfeng, Agyakwa, Pearl, Johnson, Christopher Mark and Li, Shuguang (2014) Quantitative microstructure characterization of Ag nanoparticle sintered joints for power die attachment. Molecular Crystals and Liquid Crystals, 604 (1). pp. 11-26. ISSN 1542-1406

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Abstract

The samples of sintered Ag joints for power die attachments were prepared using paste of Ag nanoparticles at 240 °C and 5 MPa for 3 to 17 minutes. Their microstructural features were quantitatively characterized with scanning elec-tronic microscopy, transmission electron microscopy, X-ray diffraction and image analysis method. The resulting nor-malized thickness, pore size and porosity decreased, and grain size increased with increasing the sintering time. A time dependence of the form t1/n with n close to 2 or 3 can be further derived for the kinetics of the thinning, densification and grain growth within the sintered Ag joints.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/740902
Additional Information: The Version of Record of this manuscript has been published and is available in Molecular Crystals and Liquid Crystals 2014 http://www.tandfonline.com/10.1080/15421406.2014.967647
Keywords: Sintering of Ag nanoparticles; Power die attachment; Image analysis method; X-ray Scherrer method; Kinetics of sintering
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Identification Number: https://doi.org/10.1080/15421406.2014.967647
Depositing User: Eprints, Support
Date Deposited: 06 Sep 2016 14:01
Last Modified: 04 May 2020 16:58
URI: https://eprints.nottingham.ac.uk/id/eprint/36307

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