Article detail · 2004
Large spontaneous magnetostrictive softening below the Curie temperature of Fe sub 3 C Invar particles
- Year
- 2004
- Type
- article
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- YÖKSİS YÖKSİS article record
- YÖKSİS venue Journal of Applied Physics
- Catalog match (ISSN) Journal of Applied Physics
- OpenAlex OpenAlex enrichment (abstract, citations, topics)
Abstract
OpenAlex · English
Fe 3 C incorporates only Fe as a metallic element and is an Invar material with valence electron concentration 8.67. We have studied the equation of state up to 20GPa of Fe3C particles (d∼40nm) below and above the Curie temperature (room temperature and 550K, respectively) to search for a softening associated with a magnetovolume instabilities characteristic of Invar-type material. The isothermal bulk modulus of Fe3C particles at room temperature was found to be about 13% smaller than that of the value at 550K. This difference is comparable with the relative difference in the bulk modulus of Fe65Ni35 Invar in a similar temperature range around the Curie temperature.
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Citations
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28 citations
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1 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).