Difference between revisions of "Gray cast iron"
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== Description == | == Description == | ||
| − | A hard, brittle [ | + | A hard, brittle [[cast iron]] that contains 1-3% [[silicon]] in addition to the [[carbon]]. In grey cast iron, the silicon causes the carbon to come out of solution as [[graphite]]. The small flakes of graphite imbedded in the ferrite matrix make the alloy flow easily when melted; the resultant iron alloy is softer and has good corrosion and wear resistance. Gray cast iron is extremely brittle and can shatter when struck. |
[[File:Phaseironcarbonvt.jpg|thumb|Phase diagragm of iron-carbon]] | [[File:Phaseironcarbonvt.jpg|thumb|Phase diagragm of iron-carbon]] | ||
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | gray iron; grey cast iron (Br.); fonte grise (Fr.); | + | gray iron; grey cast iron (Br.); fonte grise (Fr.); Grauguß (Deut.); grijs gietijzer (Ned.); ferro fundido cinzento (Port.) |
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| − | + | == Physical and Chemical Properties == | |
| − | The seasoning or impregnation of cast iron cookware with oil minimizes rusting. | + | * Gray cast iron has less tensile strength and shock resistance than steel. |
| + | * It is difficult to weld. | ||
| + | * The seasoning or impregnation of cast iron cookware with oil minimizes rusting. | ||
| − | == | + | == Resources and Citations == |
| − | * | + | * David C. Scott, ''Metallography and Microstructure of Ancient and Historic Metals'', The Getty Conservation Institute, Los Angeles, 1991 |
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | * ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | ||
| − | * | + | * Olympus Microscopy Resource Center at http://www.olympusmicro.com/galleries/abramowitz/pages/graycastironsmall.html |
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Cast_iron (Accessed Oct. 18, 2005) |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 09:43, 30 August 2022
Description
A hard, brittle Cast iron that contains 1-3% Silicon in addition to the Carbon. In grey cast iron, the silicon causes the carbon to come out of solution as Graphite. The small flakes of graphite imbedded in the ferrite matrix make the alloy flow easily when melted; the resultant iron alloy is softer and has good corrosion and wear resistance. Gray cast iron is extremely brittle and can shatter when struck.
Synonyms and Related Terms
gray iron; grey cast iron (Br.); fonte grise (Fr.); Grauguß (Deut.); grijs gietijzer (Ned.); ferro fundido cinzento (Port.)
Physical and Chemical Properties
- Gray cast iron has less tensile strength and shock resistance than steel.
- It is difficult to weld.
- The seasoning or impregnation of cast iron cookware with oil minimizes rusting.
Resources and Citations
- David C. Scott, Metallography and Microstructure of Ancient and Historic Metals, The Getty Conservation Institute, Los Angeles, 1991
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Olympus Microscopy Resource Center at http://www.olympusmicro.com/galleries/abramowitz/pages/graycastironsmall.html
- Wikipedia: http://en.wikipedia.org/wiki/Cast_iron (Accessed Oct. 18, 2005)