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Arabian Journal for Science and Engineering

, Volume 44, Issue 2, pp 1321–1335 | Cite as

Investigation on Compaction Densification Behaviors of Multicomponent Mixed Metal Powders to Manufacture Silver-Based Filler Metal Sheets

  • Mengcheng Zhou
  • Shangyu HuangEmail author
  • Yu Lei
  • Wei Liu
  • Shiwei Yan
Research Article - Mechanical Engineering
  • 33 Downloads

Abstract

The powder compaction combines sintering process method was used to fabricate silver-based filler metal thin sheet; the densification behaviors of two mixed metal powder (Ag50Cu50 and Ag60Cu30Sn10) were modeled and investigated. The Drucker–Prager Cap model combines with compaction equations was employed to analyze the mixed metal powder compaction behavior. Firstly, various powder compaction experiments were conducted to determine the powder material parameters, and the friction coefficients were determined experimentally by die compaction. Furthermore, the linear Heckel and nonlinear Gerdemann–Jablonski compaction equations were used to analyze the powder compaction mechanisms. It was observed that lubricant affects the powder deformation and rearrangement densification mechanisms during the powder die compaction process. Finally, finite element modeling results were compared with the validation experiments data to validate the determined constitutive model. The result shows that the established models can accurately describe the mixed powders densification behaviors, which could be used in simulation of tool designing and process parameters optimizing.

Keywords

Multicomponent mixed metal powders Drucker–Prager Cap (DPC) model Compaction densification behavior Finite element modeling Compaction equation 

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Notes

Acknowledgements

This work was supported by National Natural Science Foundation of China (No. 51475345), the Open Fund Project of State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology (No. P2015-01).

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Copyright information

© King Fahd University of Petroleum & Minerals 2018

Authors and Affiliations

  • Mengcheng Zhou
    • 1
  • Shangyu Huang
    • 1
    • 2
    Email author
  • Yu Lei
    • 1
  • Wei Liu
    • 1
  • Shiwei Yan
    • 1
  1. 1.School of Materials Science and EngineeringWuhan University of TechnologyWuhanChina
  2. 2.State Key Laboratory of Materials Processing and Die and Mould TechnologyHuazhong University of Science and TechnologyWuhanChina

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