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The processing of titanium metal occurs in four major steps: reduction of titanium ore into "sponge", a porous form; melting of sponge, or sponge plus a master alloy to form an ingot; primary fabrication, where an ingot is converted into general mill products such as billet, bar, plate, sheet, strip, and tube; and secondary fabrication of ...
Don't Let Titanium Become The Curse Of Kwale; Opinion by Sam Wainaina, The East African (Nairobi), 18 January 2001; Titanium mining in Mozambique, from Afrol; Sierra Leone titanium mining overview from Project Underground; Mining in Sierra Leone, Encyclopedia of the Nations; MBendi – Republic of South Africa – Heavy Minerals Mining – page
Titanium alone is a strong, light metal. It is stronger than common, low-carbon steels, but 45% lighter. It is also twice as strong as weak aluminium alloys but only 60% heavier. Titanium has outstanding corrosion resistance to seawater, and thus is used in propeller shafts, rigging and other parts of boats that are exposed to seawater.
Ilmenite is a titanium-iron oxide mineral with the idealized formula FeTiO 3.It is a weakly magnetic black or steel-gray solid. Ilmenite is the most important ore of titanium [5] and the main source of titanium dioxide, which is used in paints, printing inks, [6] fabrics, plastics, paper, sunscreen, food and cosmetics.
It is the fifth-largest Wikipedia in a non-European language, as well as the third-largest for a language which is official in only one country. In contrast to the English Wikipedia, the Vietnamese Wikipedia allows bots to create articles: as of 2023, more than 58% of its articles had been generated in this way. [2]
15 February – Vietnam lifts its COVID-19-related curbs on international passenger flights with no limitation on the number of flights in order to restore the travel to pre-pandemic level. [ 2 ] 6 September – A karaoke bar fire near Ho Chi Minh City kills at least 32 people.
September 9 – Cánh Diều Awards 2023; September 10–11 – Joe Biden visits Vietnam; 12 September – 2023 Hanoi building fire: A fire at a 9-story apartment building in Hanoi, kills at least 56 people and hospitalizes 37 others. [7] 29 September – Miss Universe Vietnam 2023 held in Ho Chi Minh City.
Từ điển bách khoa toàn thư Việt Nam (Encyclopedia of Vietnam), a state-sponsored encyclopedia which was published in 2005. Vietnamese Wikipedia, a project of the Wikimedia Foundation. Vietnam War encyclopedias. Encyclopedic works and encyclopedias focused on Vietnam War-related topics.