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Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe 3 C. By weight, it is 6.67% carbon and 93.3% iron. By weight, it is 6.67% carbon and 93.3% iron.
Cohenite is a naturally occurring iron carbide mineral with the chemical structure (Fe, Ni, Co) 3 C.This forms a hard, shiny, silver mineral which was named by E. Weinschenk in 1889 after the German mineralogist Emil Cohen, who first described and analysed material from the Magura meteorite found near Slanica, Žilina Region, Slovakia. [3]
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Boron carbide, B 4 C, on the other hand, has an unusual structure which includes icosahedral boron units linked by carbon atoms. In this respect boron carbide is similar to the boron rich borides. Both silicon carbide (also known as carborundum) and boron carbide are very hard materials and refractory. Both materials are important industrially.
iron: ferrite, ferritic steel; iron: austenite, austenitic steel; iron carbide: cementite, Fe3C. It shows a eutectic and a eutectoid; these phases crystallise as a stacking of fine strips of pure phases (iron and cementite) in case of the eutectoid, or a pure iron containing small balls of cementite for the eutectic.
The Michelin Rubber Plantation was a rubber plantation in Vietnam.It was located near Dầu Tiếng District in Bình Dương Province, 72 km northwest of Saigon.The plantation was established by the Michelin company in 1925 [1] and at 12,400 hectares (31,000 acres) it was the largest rubber plantation in Vietnam.
In late 2015, the plant outputted the first hot rolled coil manufactured in Vietnam. [11] "Phase 1" Blast furnace iron production was scheduled to begin in 2016, with two blast furnaces at the plant having a total production capacity of 7.5 MT pa; approximately 6 MT were for flat steel production, and 1.5 MT for rebar and other rolled steels. [12]
Starting in 2003, ' The Most Beloved Vietnam Television Dramas' Voting Contest (Vietnamese: Cuộc thi bình chọn phim truyền hình Việt Nam được yêu thích nhất) is held annually or biennially by VTV Television Magazine to honor Vietnamese television dramas broadcast during the year(s) on two channels VTV1-VTV3. [27]