Formation of Colored Films on Titanium Plates by Laser Irradiation

Formation of Colored Films on Titanium Plates by Laser Irradiation

Titanium oxide films, which may be of various colors due to interference, can be formed on titanium plate surfaces by CO2 laser irradiation under controlled oxygen content in the atmosphere. The irradiated surface shows some irreguralities due to rapid melting and solidification, but it is harder th...

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Veröffentlicht in:Hyōmen gijutsu 1994/01/01, Vol.45(1), pp.67-72
Hauptverfasser: SOHMA, Hideaki, TANAKA, Toshiaki, TAGASHIRA, Kohsuke, YAMAGUCHI, Sakae, UCHIMI, Toshio
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Coloring
Laser
Surface Hardening
Titanium
Wear Resistance
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Beschreibung
Zusammenfassung:Titanium oxide films, which may be of various colors due to interference, can be formed on titanium plate surfaces by CO2 laser irradiation under controlled oxygen content in the atmosphere. The irradiated surface shows some irreguralities due to rapid melting and solidification, but it is harder than and thus superior to anodic oxide coatings on titanium in terms of wear resistance. Just beneath the titanium oxide film is a hard fine-grained structure layer, which contains soluble oxygen.
ISSN:0915-1869
1884-3409
DOI:10.4139/sfj.45.67