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

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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