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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.
Examples include calcium carbide (CaC 2), silicon carbide (SiC), tungsten carbide (WC; often called, simply, carbide when referring to machine tooling), and cementite (Fe 3 C), [2] each used in key industrial applications. The naming of ionic carbides is not systematic.
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US Army map indicating War Zones C, D, and the Iron Triangle, circa 1965-1967. The Iron Triangle (Vietnamese:Tam Giác Sắt) was a 120 square miles (310 km 2) area in the Bình Dương Province of Vietnam, so named due to it being a stronghold of Viet Minh activity during the war.
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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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]
The iron carbonyl carbides exist not only in the encapsulated carbon ([Fe 6 C(CO) 16] 2−) but also with exposed carbon centres as in Fe 5 C(CO) 15 and Fe 4 C(CO) 13. [7] Bimetallic and exotic clusters such as metal carbide clusterfullerenes (MCCF's) have also been able to be prepared. [8] [9] The complex Au 6 C(P Ph 3) 6] 2+, containing a ...