METHOD OF PRODUCING TITANIUM OR TITANIUM-BASED ALLOY HAVING PHOTOCATALYTIC ACTIVITY

摘要

PROBLEM TO BE SOLVED: To obtain titanium or a titanium-based alloy having photocatalytic activity by forming an anatase-type titanium oxide film having the photocatalytic activity on the surface of titanium or a titanium-based alloy.;SOLUTION: The titanium or a titanium-based alloy having the photocatalytic activity is obtained by immersing titanium or a titanium-based alloy into a strong acid solution containing nitric acid in an amount of 20% to oxidize the surface of the titanium or the alloy.;COPYRIGHT: (C)2001,JPO