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Titanium is renowned for its strong strength, high resistance to temperature changes, and low weight (it has a density of 60% that of iron). It is 50% more elastic and has less thermal expansion than stainless steel. Beginning in the 1970s, titanium was used by architects.
Numerous architectural styles are made feasible for structures in the highly corrosive, salty atmospheres of seashores as well as in permanent architecture thanks to titanium’s unmatched ability in corrosion resistance (e.g., museums, temples and shrines).
Titanium alloys typically require specialised welding procedures, are less suitable for forging and rolling, and require specialised drilling and machining methods. (Not due to titanium’s hardness or strength, but rather because of its gooey texture.)
The Global Titanium building materials market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Nippon steel created titanium for use in construction since it doesn’t easily oxidise, and they currently utilise it for all surface finishes (surface materials) for buildings, including colourful materials.
Only a very small amount of discoloration of titanium for building usage, which does not readily become discoloured, occurred after being exposed to it for four years in Okinawa. Okinawa’s acid rain has a pH value that is around average , but due to the area’s high warmth and humidity, it is one of the places in Japan where discoloration happens most quickly.
Some of the titanium roofs that had been put in place before that period began to turn brown .An oxide coating that is chemically stable covers the surface of titanium (passive film). This film’s protective function offers exceptional corrosion resistance.
The original silver surface will appear brown due to interference light if the oxide film on the titanium surface (thickness approx. 0.01 m) increases to between 0.03 and 0.05 m. The term “titanium discolouration” describes this condition.