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CEMENTITE [11 records]
Record 1 - internal organization data 2023-10-17
Record 1, English
Record 1, Subject field(s)
- Heat Treatment of Metals
Universal entry(ies) Record 1
Record 1, Main entry term, English
- cementite
1, record 1, English, cementite
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
[An] iron carbide with the formula Fe3C. 2, record 1, English, - cementite
Record number: 1, Textual support number: 1 CONT
Cementite consists of iron and carbon compounds combined chemically, having the chemical symbol Fe3C. It is composed of 93% iron and 7% carbon. This compound is brittle, hard and falls under the ceramic classification. 3, record 1, English, - cementite
Record number: 1, Textual support number: 1 OBS
Chemical formula: written Fe3C 4, record 1, English, - cementite
Record number: 1, Textual support number: 2 OBS
cementite : designation and definition standardized by ISO. 4, record 1, English, - cementite
Record 1, French
Record 1, Domaine(s)
- Traitement à chaud des métaux
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- cémentite
1, record 1, French, c%C3%A9mentite
correct, feminine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Carbure de fer dont la formule chimique est Fe3C. 2, record 1, French, - c%C3%A9mentite
Record number: 1, Textual support number: 1 OBS
Formule chimique : s'écrit Fe3C 3, record 1, French, - c%C3%A9mentite
Record number: 1, Textual support number: 2 OBS
cémentite : désignation et définition normalisées par l'ISO. 3, record 1, French, - c%C3%A9mentite
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2010-05-27
Record 2, English
Record 2, Subject field(s)
- Foundry Practice
Record 2, Main entry term, English
- sorbite
1, record 2, English, sorbite
obsolete
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A fine mixture of ferrite and cementite produced either by regulating the rate of cooling of steel or by tempering steel after hardening. 2, record 2, English, - sorbite
Record number: 2, Textual support number: 1 OBS
The first type is very fine pearlite that is difficult to resolve under the microscope; the second type is tempered martensite. 2, record 2, English, - sorbite
Record 2, French
Record 2, Domaine(s)
- Fonderie
Record 2, Main entry term, French
- sorbite
1, record 2, French, sorbite
see observation, obsolete
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Terme désuet désignant un agrégat de ferrite et de cémentite obtenu en effectuant un revenu de l'acier après durcissement par trempe. 1, record 2, French, - sorbite
Record number: 2, Textual support number: 1 OBS
On utilisera de préférence les expressions martensite revenue ou bainite revenue. 1, record 2, French, - sorbite
Record 2, Key term(s)
- martensite revenue
- bainite revenue
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-06-18
Record 3, English
Record 3, Subject field(s)
- Steel
Record 3, Main entry term, English
- hypereutectoid steel
1, record 3, English, hypereutectoid%20steel
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- hyper-eutectoid steel 2, record 3, English, hyper%2Deutectoid%20steel
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A steel that contains more than 0. 83% carbon which with appropriate heat treatment consists of pearlite and cementite. 2, record 3, English, - hypereutectoid%20steel
Record 3, French
Record 3, Domaine(s)
- Acier
Record 3, Main entry term, French
- acier hypereutectoïde
1, record 3, French, acier%20hypereutecto%C3%AFde
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Acier dont la teneur en carbone, supérieure à 0,85%, constitue un réseau plus ou moins continu de cémentite dessinant le contour des grains de perlite. 2, record 3, French, - acier%20hypereutecto%C3%AFde
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2003-04-29
Record 4, English
Record 4, Subject field(s)
- Raw Materials (Iron and Steel)
- Ferrous Alloys
Record 4, Main entry term, English
- pearlite
1, record 4, English, pearlite
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
Lamellar aggregate of ferrite and cementite in the microstructure of cast iron and steel.(Gould, Dudley C., Metalcasting Dictionary, Illinois, American Foundrymen's Society, Inc., 1977, p. 128) 1, record 4, English, - pearlite
Record number: 4, Textual support number: 1 CONT
When a polished and etched sample of iron is viewed at low magnification, it can have a mother-of-pearl like appearance. This description has been contracted into the term, pearlite, as the name for the common constituent in iron and steel that has this appearance.(Gary and Ductile, Iron Castings Handbook, Cleveland, Iron Founder’s Society, Inc., 1971, p. 102) 1, record 4, English, - pearlite
Record 4, French
Record 4, Domaine(s)
- Matières premières (Sidérurgie)
- Alliages ferreux
Record 4, Main entry term, French
- perlite
1, record 4, French, perlite
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Constituant micrographique des alliages fer-carbone, résolu à grossissement élevé sous forme de lamelles alternées et parallèles plus ou moins fines de ferrite sombre et de cémentite claire. 2, record 4, French, - perlite
Record number: 4, Textual support number: 1 CONT
La perlite [...] qui est une succession de couches très minces de ferrite et de cémentite; elle contient 0.87% de carbone et c'est l'eutectique fer-carbone. 3, record 4, French, - perlite
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Materias primas (Siderurgia)
- Ferroaleaciones
Record 4, Main entry term, Spanish
- perlita
1, record 4, Spanish, perlita
feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2000-06-12
Record 5, English
Record 5, Subject field(s)
- Cast Iron
Record 5, Main entry term, English
- malleable iron
1, record 5, English, malleable%20iron
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- malleable cast iron 3, record 5, English, malleable%20cast%20iron
correct
- annealed cast iron 4, record 5, English, annealed%20cast%20iron
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A cast iron made by prolonged annealing of white cast iron in which decarburization or graphitization, or both take place to eliminate some or all of the cementite. 5, record 5, English, - malleable%20iron
Record number: 5, Textual support number: 1 CONT
The graphite is in the form of temper carbon. If decarburization is the predominant reaction, the product will exhibit a large fracture, hence, "whiteheart malleable;" otherwise, the fracture surface will be dark, hence, "blackheart malleable." 5, record 5, English, - malleable%20iron
Record 5, French
Record 5, Domaine(s)
- Fonte
Record 5, Main entry term, French
- fonte malléable
1, record 5, French, fonte%20mall%C3%A9able
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Fonte obtenue en général par décarburation de la fonte blanche, constituant un matériau résilient et déformable qui se prête à l'élaboration de pièces de formes complexes. 2, record 5, French, - fonte%20mall%C3%A9able
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1998-06-18
Record 6, English
Record 6, Subject field(s)
- Foundry Practice
Record 6, Main entry term, English
- temper carbon
1, record 6, English, temper%20carbon
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- annealing carbon 1, record 6, English, annealing%20carbon
correct
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Clusters of finely divided graphite such as that found in malleable iron, that are formed as a result of decomposition of cementite, for example, by heating white cast iron above the ferrite-austenite transformation temperature and holding at these temperatures for a considerable period of time. 1, record 6, English, - temper%20carbon
Record 6, French
Record 6, Domaine(s)
- Fonderie
Record 6, Main entry term, French
- carbone de recuit
1, record 6, French, carbone%20de%20recuit
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Appellation parfois utilisée pour désigner les nodules de graphite dans les fontes malléables. 1, record 6, French, - carbone%20de%20recuit
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1998-05-26
Record 7, English
Record 7, Subject field(s)
- Foundry Practice
Record 7, Main entry term, English
- ledeburite
1, record 7, English, ledeburite
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
The name, conferred by Wust on the cementite-austenite eutectic containing 4. 3% C which freezes at 1, 130 °C. 1, record 7, English, - ledeburite
Record number: 7, Textual support number: 1 OBS
During cooling the austenite in ledeburite may transform into a mixture of austenite and cementite. This iron-carbon phase is found in cast-irons and certain high alloy steels. 1, record 7, English, - ledeburite
Record 7, French
Record 7, Domaine(s)
- Fonderie
Record 7, Main entry term, French
- lédéburite
1, record 7, French, l%C3%A9d%C3%A9burite
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Microstructure d'un alliage eutectique fer-carbone, constituée d'un agrégat de cémentite et d'austénite, austénite se décomposant généralement en cémentite et en ferrite après passage au-dessous de la température eutectoïde (720 °C). 1, record 7, French, - l%C3%A9d%C3%A9burite
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1997-09-30
Record 8, English
Record 8, Subject field(s)
- Metallurgy - General
Record 8, Main entry term, English
- ledeburitic phase 1, record 8, English, ledeburitic%20phase
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 OBS
ledeburite : The eutectic of the iron-carbon system, the constituents being cementite and austenite at high temperatures; cooling decomposes the austenite to ferrite and cementite. 2, record 8, English, - ledeburitic%20phase
Record 8, French
Record 8, Domaine(s)
- Métallurgie générale
Record 8, Main entry term, French
- phase lédeburique
1, record 8, French, phase%20l%C3%A9deburique
proposal, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 OBS
lédebure : Mélange eutectique d'austénite et de cémentite, cristallisant à 1145 °C et qui se trouve dans les alliages fer-carbone. 2, record 8, French, - phase%20l%C3%A9deburique
Record number: 8, Textual support number: 2 OBS
sur le modèle austénite - austénitique, martensite - martensitique, etc. 1, record 8, French, - phase%20l%C3%A9deburique
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1993-04-23
Record 9, English
Record 9, Subject field(s)
- Steel
Record 9, Main entry term, English
- McQuaid-Ehn test 1, record 9, English, McQuaid%2DEhn%20test
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A test for determining the grain-size characteristics of a steel in which a sample is carburized for 8 hours at 1700 °F(927°C) and cooled slowly; the high-carbon case on slow cooling will reject cementite at the austenite grain boundaries and, by polishing and etching, the grains will clearly be seen under a microscope. 2, record 9, English, - McQuaid%2DEhn%20test
Record 9, French
Record 9, Domaine(s)
- Acier
Record 9, Main entry term, French
- essai McQuaid-Ehn
1, record 9, French, essai%20McQuaid%2DEhn
masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
- essai Mac Quaid-Ehn 2, record 9, French, essai%20Mac%20Quaid%2DEhn
masculine noun
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Méthode de contrôle de grosseur de grain austénitique pour les aciers de cémentation, consistant à cémenter un acier dans un cément normalisé, puis à mesurer par microscope les grains ainsi mis en évidence. 2, record 9, French, - essai%20McQuaid%2DEhn
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1975-03-11
Record 10, English
Record 10, Subject field(s)
- Metal Processing
Record 10, Main entry term, English
- platelet 1, record 10, English, platelet
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
the structural reason for this is that whereas in annealed or normalized steels, the cementite is present in pearlite as platelets that are to some extent embrittling. 1, record 10, English, - platelet
Record 10, French
Record 10, Domaine(s)
- Transformation des métaux
Record 10, Main entry term, French
- lamelle
1, record 10, French, lamelle
feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
à de plus basses températures, on a à côté de la ferrite ou de la cémentite une perlite lamellaire constituée par des lamelles alternées de cémentite et de ferrite. 1, record 10, French, - lamelle
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1975-03-11
Record 11, English
Record 11, Subject field(s)
- Cast Iron
Record 11, Main entry term, English
- mottled cast iron 1, record 11, English, mottled%20cast%20iron
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 OBS
--cast iron with a structure consisting of a mixture of free cementite, free graphite and pearlite. 1, record 11, English, - mottled%20cast%20iron
Record 11, French
Record 11, Domaine(s)
- Fonte
Record 11, Main entry term, French
- fonte truitée 1, record 11, French, fonte%20truit%C3%A9e
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 OBS
--fonte grise solidifiée selon un système mixte (...) et constituée d'un mélange en proportions variables de fonte blanche et de fonte grise 1, record 11, French, - fonte%20truit%C3%A9e
Record 11, Spanish
Record 11, Textual support, Spanish
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