Dry transfer stamping by nano-laminated DLC-coated tool

H. Morita, T. Aizawa, N. Yoshida, S. Kurozumi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

This paper is concerning with application of nano-laminated DLC (Diamond Like Carbon) coating to stamping dies. Different from the conventional DLC coatings by PVD (Physical vapour Deposition) methods including arc-ion-plating or CVD (Chemical Vapour Deposition) methods, this selection of DLC coating enables us to be free from adhesive wearing during dry sliding experiments and also be free from perfect delamination even in severe dry stamping steps. Using these DLC-coated tools, every stamping process advances without any troubles until the first 50,000 strokes. After stamping, each punch and die surface was closely checked to prove that no delaminating and no damages were found. Further 50,000 strokes were continuously applied in dry without stops. Even after continual 100, 000 strokes, no damages were seen on the coated tools and dies as well as on products.

Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Technology of Plasticity, ICTP 2011
Pages1103-1108
Number of pages6
Publication statusPublished - 2011
Event10th International Conference on Technology of Plasticity, ICTP 2011 - Aachen
Duration: 2011 Sep 252011 Sep 30

Other

Other10th International Conference on Technology of Plasticity, ICTP 2011
CityAachen
Period11/9/2511/9/30

    Fingerprint

Keywords

  • Coated Tools and dies
  • Dry sheet forming
  • Formability

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Morita, H., Aizawa, T., Yoshida, N., & Kurozumi, S. (2011). Dry transfer stamping by nano-laminated DLC-coated tool. In Proceedings of the 10th International Conference on Technology of Plasticity, ICTP 2011 (pp. 1103-1108)