Improvement of surface characteristics of metal mold by EB polishing

Haruhisa Bamba, Akira Okada, Yoshiyuki Uno, Yuji Kaneko, Itaru Matsumoto

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

1 Citation (Scopus)

Abstract

This paper describes a new surface modification for metal molds by Large-area electron Beam (EB polishing). In this study, the structure of the resolidified layer formed on the EB-polished surface is experimentally analyzed. Also, the surface characteristics for long life of metal mold, such as corrosion resistance and water repellency are evaluated. The experimental results made it clear that EB polishing is very effective for surface modification. It is caused by the thin resolidified layer formed on the EB irradiated surface. In this layer, the crystal grain size becomes small and the microstructure changes. Furthermore, the corrosion resistance becomes higher because of the rearrangement of choromium of the matrix.

Original languageEnglish
Title of host publicationProceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009
Publication statusPublished - 2009
Event5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009 - Osaka, Japan
Duration: Dec 2 2009Dec 4 2009

Other

Other5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009
CountryJapan
CityOsaka
Period12/2/0912/4/09

Fingerprint

Polishing
Corrosion resistance
Surface treatment
Metals
Molds
Electron beams
Crystals
Microstructure
Water

Keywords

  • Corrosion resistance
  • EB polishing
  • Large-area electron beam
  • Surface structure
  • Water repellency

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering

Cite this

Bamba, H., Okada, A., Uno, Y., Kaneko, Y., & Matsumoto, I. (2009). Improvement of surface characteristics of metal mold by EB polishing. In Proceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009

Improvement of surface characteristics of metal mold by EB polishing. / Bamba, Haruhisa; Okada, Akira; Uno, Yoshiyuki; Kaneko, Yuji; Matsumoto, Itaru.

Proceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009. 2009.

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

Bamba, H, Okada, A, Uno, Y, Kaneko, Y & Matsumoto, I 2009, Improvement of surface characteristics of metal mold by EB polishing. in Proceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009. 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009, Osaka, Japan, 12/2/09.
Bamba H, Okada A, Uno Y, Kaneko Y, Matsumoto I. Improvement of surface characteristics of metal mold by EB polishing. In Proceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009. 2009
Bamba, Haruhisa ; Okada, Akira ; Uno, Yoshiyuki ; Kaneko, Yuji ; Matsumoto, Itaru. / Improvement of surface characteristics of metal mold by EB polishing. Proceedings of the 5th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2009. 2009.
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AB - This paper describes a new surface modification for metal molds by Large-area electron Beam (EB polishing). In this study, the structure of the resolidified layer formed on the EB-polished surface is experimentally analyzed. Also, the surface characteristics for long life of metal mold, such as corrosion resistance and water repellency are evaluated. The experimental results made it clear that EB polishing is very effective for surface modification. It is caused by the thin resolidified layer formed on the EB irradiated surface. In this layer, the crystal grain size becomes small and the microstructure changes. Furthermore, the corrosion resistance becomes higher because of the rearrangement of choromium of the matrix.

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