Journal of Materials Science

, Volume 45, Issue 15, pp 4067–4072 | Cite as

Size effect on friction in scaled down strip drawing

  • Bin Guo
  • Feng GongEmail author
  • Chunju Wang
  • Debin Shan


Friction conditions have important influence on the metal forming process. This is even more significant in microforming because of size effect. Friction size effect was studied in this paper. The specimen material was copper alloy T2 which was thermally treated at 873 K for 12 h in nitrogen atmosphere. The specimens were manufactured by wire cutting with initial width of 8, 4, 2, and 1 mm, and length of 80 mm. The experiments were carried out at room temperature on a universal testing machine under four kinds of lubrication conditions. The results showed the friction size effect was not found without lubrication. However, the friction size effect took place when lubricated with soybean oil, castor oil, and petroleum jelly. The friction coefficient increased distinctly with the miniaturization of the specimen size. The reason for this phenomenon was also discussed in this paper.


Friction Coefficient Deep Drawing Petroleum Jelly Real Contact Area Extrusion Force 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors gratefully acknowledge the financial support of the National Science Foundation of China (No. 50835002 and No. 50805035).


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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Bin Guo
    • 1
    • 2
  • Feng Gong
    • 1
    Email author
  • Chunju Wang
    • 1
    • 2
  • Debin Shan
    • 1
    • 2
  1. 1.School of Materials Science and EngineeringHarbin Institute of TechnologyHarbinChina
  2. 2.Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, Ministry of EducationHarbin Institute of TechnologyHarbinChina

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