Hexaferrum – How it will form ?
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Hexaferrum and epsilon iron are synonyms for the hexagonal closed packed phase of iron that is stable only at extremely high pressure. At a pressure of 130 kbar and room temp, the Bcc ferrite powder transformed to the Hcp phase. When the pressure was lowered, epsilon Fe transformed back to FerritRead more
- Hexaferrum and epsilon iron are synonyms for the hexagonal closed packed phase of iron that is stable only at extremely high pressure.
- At a pressure of 130 kbar and room temp, the Bcc ferrite powder transformed to the Hcp phase. When the pressure was lowered, epsilon Fe transformed back to Ferrite rapidly.
See lessIf you apply high pressure on BCC Fe....the stacking sequence changes from ABCDEF to ABAB... that is hexaferrum
If you apply high pressure on BCC Fe….the stacking sequence changes from ABCDEF to ABAB… that is hexaferrum
See lessAt pressures above approximately 10 GPa and temperatures of a few hundred kelvin or less, α-iron changes into a hexagonal close-packed (hcp) structure, which is also known as ε-iron or hexaferrum
At pressures above approximately 10 GPa and temperatures of a few hundred kelvin or less, α-iron changes into a hexagonal close-packed (hcp) structure, which is also known as ε-iron or hexaferrum
See lessIt is formed under high pressure.
It is formed under high pressure.
See less