Surface Modification for Orthopaedic Titanium Alloy by Wide-Area Electron Beam-Reference-Cited by-同舟云学术

Surface Modification for Orthopaedic Titanium Alloy by Wide-Area Electron Beam

Published:2007-02-01 Issue:2 Volume:221 Page:173-178
ISSN:0954-4054
Container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

Author:

Okada A¹,Uno Y¹,Uemura K²,Raharjo P²,McGeough J A¹

Affiliation:

1. Okayama University, Okayama, Japan

2. Nagata Seiki Company Ltd, Niigata, Japan

Abstract

Wide-area electron beam (WAEB) irradiation was proposed as a new surface-finishing process for orthopaedic titanium alloy products. The surface roughness could be reduced from Rz = 10 μm to Rz = 0.7 μm all over the wide circular surface within a diameter of 60 mm in just a few minutes under optimum electron beam conditions. In this paper, the surface structure and the surface characteristics of WAEB-irradiated surface are discussed. The crystal grain size becomes small and the microstructure in the surface vicinity changes under WAEB irradiation. The corrosion resistance and the repellency can be improved simultaneously with the surface smoothing. Therefore, the WAEB irradiation method enables highly efficient surface smoothing and surface modification of orthopaedic titanium alloy.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544054JEM574

Reference6 articles.

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3. Physical foundations for surface treatment of materials with low energy, high current electron beams

4. Uno Y., Okada A., Uemura K., Raharjo P. Method of surface treatment of a die by electron beam irradiation, and the treated die. US Pat. 2003/0183743, 2003.

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