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Compound of iron and carbon
Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe3C. By weight
Cementite
Alloy of iron and carbon
microstructure may contain the distorted martensite phase or the carbon-rich cementite phase, which are tetragonal and orthorhombic, respectively. In the case
Steel
Iron-carbon alloy
white cast iron has its carbon combined into the iron carbide compound cementite, which is very hard, but brittle, as it allows cracks to pass straight
Cast_iron
Lamellar structure of ferrite and cementite
structure composed of alternating layers of ferrite (87.5% by mass) and cementite (12.5% by mass) that occurs in some steels and cast irons. This description
Pearlite
Form of iron
carbon-rich iron-carbide (cementite) and leaves behind carbon-poor ferrite. Depending on alloy composition, a layering of ferrite and cementite, called pearlite
Austenite
Steel in which the main interstitial alloying constituent is carbon
of cementite formed on the grain boundaries. A eutectoid steel (0.77% carbon) will have a pearlite structure throughout the grains with no cementite at
Carbon_steel
Type of steel used in Middle Eastern swordmaking
to the coarsening of the cementite spheroids via Ostwald ripening. An alternative form of pattern formation utilizing cementite/spheroidite banding was
Damascus_steel
Heat treatment that alters the properties of a material
sufficient time to allow the material to fully form austenite or austenite-cementite grain structure. The material is then allowed to cool very slowly so that
Annealing_(materials_science)
Plate-like microstructure in steels
longer thermodynamically stable with respect to ferrite, cementite, or ferrite and cementite. Davenport and Bain originally described the microstructure
Bainite
Type of steel crystalline structure
diffuse out of the crystal structure in large enough quantities to form cementite (Fe3C). Austenite is gamma-phase iron (γ-Fe), a solid solution of iron
Martensite
Process of heat treating used to increase the toughness of iron-based alloys
temperature at which the crystalline phases of the alloy, called ferrite and cementite, begin combining to form a single-phase solid solution referred to as
Tempering_(metallurgy)
Type of crucible steel
dyeing, and etching further customized patterns were made. The presence of cementite nanowires and carbon nanotubes have been identified in the microstructure
Wootz_steel
Steel alloy known in Russia from medieval times
components: pure iron, in the form of ferrite, and cementite or iron carbide, a compound of iron and carbon. Cementite is very hard and brittle; its hardness is
Bulat_steel
Carbon-containing chemical compound
exclusion of alloys that contain carbon, including steel (which contains cementite, Fe3C), as well as other metal and semimetal carbides (including "ionic"
Organic_compound
Eutectic mixture of austenite and cementite
mixture of 4.3% carbon in iron and is a eutectic mixture of austenite and cementite. Ledeburite is not a type of steel as the carbon level is too high although
Ledeburite
Temperature graphs plotted against time
steels. Diffusional transformations like austenite transforming to a cementite and ferrite mixture can be explained using the sigmoidal curve; for example
Isothermal transformation diagram
Isothermal_transformation_diagram
Process of heating something to alter it
forms a laminated structure composed of alternating layers of ferrite and cementite, becoming soft pearlite. After heating the steel to the austenite phase
Heat_treating
Rapid cooling of a workpiece to obtain certain material properties
which austenite becomes unstable. Rapid cooling prevents the formation of cementite structure, instead forcibly dissolving carbon atoms in the ferrite lattice
Quenching
Mixture or metallic solid solution composed of two or more elements
can stably hold a maximum of 6.67% carbon, forming a compound called cementite. Although the elements of an alloy usually must be soluble in the liquid
Alloy
Crystal patterns found in some meteorites
long periods. These structures form as needle or plate-like growths of cementite within the crystal boundaries of the martensite. This increases the brittleness
Widmanstätten_pattern
Type of iron oxide
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Rust
Iron alloy with a very low carbon content
material, found in the form of graphite, to a combination with iron called cementite. In the fully developed process (of Hall), this metal was placed into
Wrought_iron
Chemical element with atomic number 26 (Fe)
in the alloy. "White" cast irons contain their carbon in the form of cementite, or iron carbide (Fe3C). This hard, brittle compound dominates the mechanical
Iron
Alloy of iron and carbon
or completely suppresses graphitization and leads to the formation of cementite, which is called white iron. The graphite takes on the shape of a three-dimensional
Gray_iron
Steel alloy resistant to corrosion
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Stainless_steel
Inorganic compound group
Iron forms a number of carbides, Fe3C, Fe7C3 and Fe2C. The best known is cementite, Fe3C, which is present in steels. These carbides are more reactive than
Carbide
Chemical element with atomic number 14 (Si)
performance in casting thin sections and to prevent the formation of cementite where exposed to outside air. The presence of elemental silicon in molten
Silicon
Chemical element with atomic number 6 (C)
high temperatures to form metallic carbides, such as the iron carbide cementite in steel and tungsten carbide, widely used as an abrasive and for making
Carbon
Different forms of the element iron
critical temperatures. The Acm, where austenite is in equilibrium with cementite + γ-Fe, is beyond the right edge in Fig. 1. The α + γ phase field is,
Allotropes_of_iron
Type of alloy steel
lack of pearlite – the fine layers of ferrite (almost pure iron) and cementite in pearlite. HSLA steels usually have densities of around 7800 kg/m3.
High-strength_low-alloy_steel
Type of material
promoted the formation of cementite (Fe3C) nanowires. The malleability of the carbon nanotubes offset the brittle nature of the cementite, and endowed the resulting
Metal
Iron found naturally on Earth that is neither in an ore nor from a meteorite
cold working. The structure of type 1 consists mainly of pearlite and cementite or cohenite, with inclusions of troilite and silicate. The individual
Telluric_iron
Mixture with a lower melting point than its constituents
iron (at the composition of 4.3% carbon in iron producing an austenite-cementite eutectic) Silicon chips are eutectic bonded to gold-plated substrates
Eutectic_system
Type of steel with a ferritic–martensitic microstructure
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Dual-phase_steel
Iron metal made from ore without a blast furnace
{\displaystyle {\ce {FeO + CO/H2 -> Fe + CO2/H2O}}} Carburizing produces cementite (Fe3C): 3 Fe + CH 4 ⟶ Fe 3 C + 2 H 2 {\displaystyle {\ce {3 Fe + CH4 ->
Direct_reduced_iron
Subset of tool steels
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
High-speed_steel
Steel whose surface rust inhibits further rusting
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Weathering_steel
Salts and esters of picric acid
ferrite in hypoeutectoid steel from preeutectoid cementite in hypereutectoid steel by etching cementite to a dark colour, whereas not attacking ferrite
Picrate
Mechanism using friction to resist rotation of a circular plate
heat well. After cementite is formed, the integrity of the disc is compromised. Even if the disc surface is machined, the cementite within the disc will
Disc_brake
Type of metallic alloy
post-transition metals and metalloids, is extended to include compounds such as cementite, Fe3C. These compounds, sometimes termed interstitial compounds, can be
Intermetallic
French scientist and engineer (1849–1912)
iron and steel microstructures such as martensite, after A. Martens, and cementite. He also provided the symbols α,β,γ and δ for the steel phases. A list
Floris_Osmond
Type of cast iron
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Ductile_iron
Long bladed weapon
the steel creating networks of iron carbides described as a globular cementite in a matrix of pearlite. The use of Damascus steel in swords became extremely
Sword
Steel alloy variety
particles. Additionally, the size of M2C carbides is smaller than their cementite counterparts in plain steels. This results in smaller precipitates which
Chromium–vanadium_steel
mimetite) Carbonado (variety of diamond) Carnelian (variety of quartz) Cementite (synthetic cohenite) Ceylonite (variety of spinel) Chalcedony (cryptocrystalline
List_of_minerals
Change of enthalpy during the formation of a compound from its elements
Aqueous I2 23 Iodide ion Aqueous I− −55 Iron Solid Fe 0 Iron carbide (Cementite) Solid Fe3C 5.4 Iron(II) carbonate (Siderite) Solid FeCO3 −750.6 Iron(III)
Standard enthalpy of formation
Standard_enthalpy_of_formation
Steel known for strength and toughness
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Maraging_steel
Chemical compound
Rundquist, and L. H. Anderson and R. Kiessling. It is a hard solid with the cementite crystal structure. Trinickel boride can be obtained, as grains embedded
Trinickel_boride
Type of steel
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Crucible_steel
Flexible form of cast iron
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Malleable_iron
Iron carbide mineral
Similar iron carbides occur also in technical iron alloys and are called cementite. Edscottite Glossary of meteoritics List of minerals List of minerals
Cohenite
Standard alloy numbering system for steel grades
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
SAE_steel_grades
Depth to which a metal is hardened after being submitted to a thermal treatment
and harder "shell". The softer core is some combination of ferrite and cementite, such as pearlite. The hardenability of ferrous alloys, i.e. steels, is
Hardenability
Visible effect on Japanese blades
allows the steel to turn into pearlite, a soft structure consisting of cementite and ferrite (iron) laminations. On the other hand, the exposed edge cools
Hamon_(swordsmithing)
Type of tool steel
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Silver_steel
Materials well-suited to be made into tools
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Tool_steel
Variety of steel
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Spring_steel
effort was expended on consideration of the austenite - martensite - cementite phases found in the iron - carbon phase diagram that underlies steel production
History_of_materials_science
re-transformation of the induced martensite back to austenite or to ferrite plus cementite, negating the hardening effect. The transformation between these phases
Cryogenic_hardening
Steel alloyed with a variety of elements
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Alloy_steel
Solid-state welding process
For example, in steel between austenite, ferrite, pearlite, bainite, cementite, and martensite, (See: Iron-carbon phase diagram).[citation needed] In
Friction_welding
Phase of iron only stable at high pressures
Steels Phases Ferrite Austenite Cementite Martensite Graphite Microstructures Spheroidite Pearlite Bainite Ledeburite Tempered martensite Widmanstätten
Hexaferrum
Metallurgy of iron and its alloys
electron microscopy to examine Damascus steel discovered the presence of cementite nanowires and carbon nanotubes. Peter Paufler, a member of the Dresden
Ferrous_metallurgy
Engineering on the nanoscale
saber blades were crafted using techniques that resulted in nanotubes and cementite nanowires. 1950: Victor La Mer and Robert Dinegar created a process that
Nanoengineering
Technique used in heat treating
changing the martensite into a microstructure of various carbides, such as cementite, and softer ferrite (iron), forming a microstructure called "tempered
Differential_heat_treatment
formed or whether the substance containing them was employed deliberately. Cementite nanowires have been observed in Damascus steel, a material dating back
History_of_nanotechnology
Baltic-German metallurgist (1861–1938)
(1922). Die Umwandlung des Zementits bei 210 °C [The Transformation of Cementite at 210 °C]. Berichte des Werkstoffausschuß (in German). Düsseldorf: Verein
Gustav_Heinrich_Tammann
German mineralogist
Meteoreisenstudien (1891-1900, eleven numbers) Glossary of meteoritics Cementite WorldCat entry This article incorporates text from a publication now in
Emil_Cohen
System of detailed crystal structure classification
structure D09 α-ReO3 Pm3m α-Rhenium trioxide structure D011 Fe3C Pnma Cementite structure D012 FeF3 R3c D014 → D012 AlF3 R32 Aluminium fluoride structure
Strukturbericht_designation
Catalyst composed of nickel and boron
phases: metallic nickel, and crystalline trinickel boride Ni 3B with the cementite structure, stable at least up to 750 C. No trace of the true dinickel
Nickel_boride_catalyst
improves steel micro-structure by reducing the effects of the inter-granular cementite phase. Welds and the Heat Affected Zone (HAZ) adjacent to welds can be
Industrial applications of nanotechnology
Industrial_applications_of_nanotechnology
German scientist
AlRu. The mechanism of formation of nanostructure and dissolution of cementite in a pearlitic steel during high pressure torsion. Containerless processing
Hans-Jörg_Fecht
Belaiew, N.T. (1925). "On the inner crystalline structure of ferrite and cementite in pearlite". Proceedings of the Royal Society of London. Series A, Containing
Nicholas_Timothy_Belaiew
Spinning one metal workpiece against another to join them
welded materials. In steel between austenite, ferrite, pearlite, bainite, cementite, martensite. Various parameters of welding are tested. The setting of
Rotary_friction_welding
CEMENTITE
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Surname or Lastname
English
English : variant of Goodrich.Americanized spelling of German Güttrich (see Goodrich).
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Lord Shiva
Boy/Male
Indian
Education
Girl/Female
Hindu
Innocent, Sinless
Surname or Lastname
English and Scottish
English and Scottish : from the Breton personal name Aeruiu or Haerviu, composed of the elements haer ‘battle’, ‘carnage’ + vy ‘worthy’, which was brought to England by Breton followers of William the Conqueror, for the most part in the Gallicized form Hervé. (The change from -er- to -ar- was a normal development in Middle English and Old French.) Reaney believes that the surname is also occasionally from a Norman personal name, Old German Herewig, composed of the Germanic elements hari, heri ‘army’ + wīg ‘war’.Irish : mainly of English origin, in Ulster and County Wexford, but sometimes a shortened Anglicized form of Gaelic Ó hAirmheadhaigh ‘descendant of Airmheadhach’, a personal name probably meaning ‘esteemed’. It seems to be a derivative of Airmheadh, the name borne by a mythological physician.Irish (County Fermanagh) : shortened Anglicized form of Gaelic Ó hEarchaidh ‘descendant of Earchadh’, a personal name of uncertain origin.
Boy/Male
African, Arabic, Swahili
Protector; Responsible; Sponsor
Male
English
English surname transferred to forename use, from the name of the city of Lincoln, which was originally called Lindum colonia, LINCOLN means "lake colony."Â
Boy/Male
Hindu
Of exalted victory
Boy/Male
Hindu, Indian
Shy
Girl/Female
Hindu
Name of a Raga
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CEMENTITE