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Sökning: WFRF:(Zhang Qiaoran)

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1.
  • Zhang, Yan, et al. (författare)
  • MDS Investigation on the Melting and Solidification of Silver Nanoparticles
  • 2018
  • Ingår i: 2018 19th International Conference on Electronic Packaging Technology (ICEPT). - 9781538663868 - 9781538663868 ; , s. 5-9
  • Konferensbidrag (refereegranskat)abstract
    • Nano-silver pastes have been widely used in electronic packaging because of its outstanding characteristics in the electrical, thermal and mechanical aspects. The sintering process of silver nanoparticles has a great impact on the material features, performances and reliabilities. In the present paper, molecular dynamics (MD) simulations have been carried out, and the melting and solidification process of silver nanoparticles are studied. The phase transformation processes of nanoparticles were analyzed, and various temperature ranges has been considered. The relationship between the temperature and the system energy reflects the melting process, and the atom distributions at characteristic temperature points were observed. The structural development during the sintering of nanoparticles was studied, and there appears the coexistence of different structures in the crystallization.
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2.
  • Jiang, Ziwei, et al. (författare)
  • Characterterization of multi-scale nanosilver paste reinforced with SIC particles
  • 2020
  • Ingår i: China Semiconductor Technology International Conference 2020, CSTIC 2020.
  • Konferensbidrag (refereegranskat)abstract
    • Nanosilver paste with high operation temperature and low sintering temperature has attracted more and more attention for its promising application in high power devices. In this paper, the thermal properties of multi-scale nanosilver paste composed of nanometer and micrometer silver particles, and Ag-coated SiC particles were investigated. The thermal conductivity of multi-scale nanosilver paste increases with the increasing amount of SiC particles with Ag coating. The maximum value of Vickers hardness for multi-scale nanosilver paste with 0.5 wt.% Ag-coated SiC particles were 24.
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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refereegranskat (2)
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Liu, Johan, 1960 (2)
Lu, Xiuzhen (2)
Zhang, Qiaoran (2)
Zhang, Yan (1)
Chen, S. (1)
Zhang, Maomao (1)
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Jiang, Ziwei (1)
Sun, Yongqian (1)
Lv, Zhen (1)
Wu, Yanpei (1)
Xi, Weijuan (1)
Zhou, Cheng (1)
Zhang, Guoqiang (1)
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Chalmers tekniska högskola (2)
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