A new surface modification method of metal mold by large-area electron beam irradiation

Akira Okada, Yoshiyuki Uno, Keita Nishina, Kensuke Uemura, Purwadi Raharjo, Sadao Sano, Yu Zhanbo

Research output: Contribution to conferencePaper

Abstract

We have already proposed a new surface finishing process for metal molds by large-area electron beam (EB) irradiation in the previous report, and the effects of EB irradiation conditions on surface smoothing characteristics were investigated. As a result, the surface roughness could be reduced to less than 1 μmRz in just a few minutes under a proper condition. Furthermore, the surface roughness of tilting surface close to 90 degree also could be well improved, which indicated that m the case of small simple shaped mold consisting of relatively small tilting surfaces, the smoothing of the whole surface is possible without moving and tilting the mold. In tins paper, the surface characteristics of the EB irradiated surface were discussed by TEM observation. XRD analysis, and corrosion test. The surface structure changed by large-area EB irradiation, and consequently, the corrosion resistance of metal mold surface could be unproved well.

Original languageEnglish
Pages739-744
Number of pages6
Publication statusPublished - Dec 1 2005
Event3rd International Conference on Leading Edge Manufacturing in 21st Century, LEM 2005 - Nagoya, Japan
Duration: Oct 19 2005Oct 22 2005

Other

Other3rd International Conference on Leading Edge Manufacturing in 21st Century, LEM 2005
CountryJapan
CityNagoya
Period10/19/0510/22/05

Keywords

  • Corrosion resistance
  • Large-area electron beam
  • Metal mold
  • Surface finishing
  • Surface modification

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering

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  • Cite this

    Okada, A., Uno, Y., Nishina, K., Uemura, K., Raharjo, P., Sano, S., & Zhanbo, Y. (2005). A new surface modification method of metal mold by large-area electron beam irradiation. 739-744. Paper presented at 3rd International Conference on Leading Edge Manufacturing in 21st Century, LEM 2005, Nagoya, Japan.