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- Q646981 subject Q6274301.
- Q646981 subject Q8236012.
- Q646981 abstract "Iron represents perhaps the best-known example for allotropy in a metal. At atmospheric pressure, there are three allotropic forms of iron: alpha iron (α) a.k.a. ferrite, gamma iron (γ) a.k.a. austenite, and delta iron (δ). At very high pressure, a fourth form exists, called epsilon iron (ε) hexaferrum. Some controversial experimental evidence exists for another high-pressure form that is stable at very high pressures and temperatures.The phases of iron at atmospheric pressure are important because of the differences in solubility of carbon, forming different types of steel. The high-pressure phases of iron are important as models for the solid parts of planetary cores. The inner core of the Earth is generally assumed to consist essentially of a crystalline iron-nickel alloy with ε structure. The outer core surrounding the solid inner core is believed to be composed of liquid iron mixed with nickel and trace amounts of lighter elements.".
- Q646981 thumbnail Pure_iron_phase_diagram_(EN).svg?width=300.
- Q646981 wikiPageWikiLink Q1037840.
- Q646981 wikiPageWikiLink Q104837.
- Q646981 wikiPageWikiLink Q1069637.
- Q646981 wikiPageWikiLink Q11421.
- Q646981 wikiPageWikiLink Q11426.
- Q646981 wikiPageWikiLink Q11427.
- Q646981 wikiPageWikiLink Q11466.
- Q646981 wikiPageWikiLink Q1458918.
- Q646981 wikiPageWikiLink Q160398.
- Q646981 wikiPageWikiLink Q172587.
- Q646981 wikiPageWikiLink Q184207.
- Q646981 wikiPageWikiLink Q185357.
- Q646981 wikiPageWikiLink Q186693.
- Q646981 wikiPageWikiLink Q188479.
- Q646981 wikiPageWikiLink Q191073.
- Q646981 wikiPageWikiLink Q2.
- Q646981 wikiPageWikiLink Q282744.
- Q646981 wikiPageWikiLink Q374793.
- Q646981 wikiPageWikiLink Q37756.
- Q646981 wikiPageWikiLink Q394352.
- Q646981 wikiPageWikiLink Q43533.
- Q646981 wikiPageWikiLink Q473227.
- Q646981 wikiPageWikiLink Q483269.
- Q646981 wikiPageWikiLink Q487286.
- Q646981 wikiPageWikiLink Q489843.
- Q646981 wikiPageWikiLink Q5748724.
- Q646981 wikiPageWikiLink Q575224.
- Q646981 wikiPageWikiLink Q623.
- Q646981 wikiPageWikiLink Q6274301.
- Q646981 wikiPageWikiLink Q628595.
- Q646981 wikiPageWikiLink Q648961.
- Q646981 wikiPageWikiLink Q677.
- Q646981 wikiPageWikiLink Q685487.
- Q646981 wikiPageWikiLink Q744.
- Q646981 wikiPageWikiLink Q7643245.
- Q646981 wikiPageWikiLink Q81809.
- Q646981 wikiPageWikiLink Q81915.
- Q646981 wikiPageWikiLink Q8236012.
- Q646981 wikiPageWikiLink Q895901.
- Q646981 wikiPageWikiLink Q967996.
- Q646981 comment "Iron represents perhaps the best-known example for allotropy in a metal. At atmospheric pressure, there are three allotropic forms of iron: alpha iron (α) a.k.a. ferrite, gamma iron (γ) a.k.a. austenite, and delta iron (δ). At very high pressure, a fourth form exists, called epsilon iron (ε) hexaferrum.".
- Q646981 label "Allotropes of iron".
- Q646981 depiction Pure_iron_phase_diagram_(EN).svg.