Order-disorder phenomena in the platinum rich part of the PtV phase diagram

D. Schryvers; S. Amelinckx

doi:10.1016/0001-6160(86)90230-0

Order-disorder phenomena in the platinum rich part of the PtV phase diagram

D. Schryvers, S. Amelinckx

Research output › peer-review

Abstract

The Pt-rich side of the PtV phase diagram is re-examined using electron diffraction and high resolution electron microscopy. An ordered Pt₈V structure isomorphous with Pt₈Ti is discovered and two long period antiphase boundary structures are found in Pt₃V on annealing in the temperature interval between 900 and 1000°C. A formation mechanism for the stable DO₂₂ phase is presented and some structural defects are discussed. Microdomains corresponding to the ordering relations extracted from the diffuse intensity distribution in reciprocal space are revealed using the high resolution technique.

Original language	English
Pages (from-to)	43-54
Number of pages	12
Journal	Acta Metallurgica
Volume	34
Issue number	1
DOIs	https://doi.org/10.1016/0001-6160(86)90230-0
State	Published - Jan 1986

ASJC Scopus subject areas

General Engineering

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10.1016/0001-6160(86)90230-0

Cite this

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title = "Order-disorder phenomena in the platinum rich part of the PtV phase diagram",

abstract = "The Pt-rich side of the PtV phase diagram is re-examined using electron diffraction and high resolution electron microscopy. An ordered Pt8V structure isomorphous with Pt8Ti is discovered and two long period antiphase boundary structures are found in Pt3V on annealing in the temperature interval between 900 and 1000°C. A formation mechanism for the stable DO22 phase is presented and some structural defects are discussed. Microdomains corresponding to the ordering relations extracted from the diffuse intensity distribution in reciprocal space are revealed using the high resolution technique.",

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AB - The Pt-rich side of the PtV phase diagram is re-examined using electron diffraction and high resolution electron microscopy. An ordered Pt8V structure isomorphous with Pt8Ti is discovered and two long period antiphase boundary structures are found in Pt3V on annealing in the temperature interval between 900 and 1000°C. A formation mechanism for the stable DO22 phase is presented and some structural defects are discussed. Microdomains corresponding to the ordering relations extracted from the diffuse intensity distribution in reciprocal space are revealed using the high resolution technique.

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