High-temperature magnetic properties of SmCo6.7-xCu0.6Tix magnets

I. A. Al-Omari, J. Shobaki, R. Skomski, D. Leslie-Pelecky, J. Zhou, D. J. Sellmyer

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Magnetic properties of SmCo6.7-xCu0.6Tix Magnets (x = 0.25 and 0.30) are studied as a function of milling time and temperature. The samples were prepared by two methods: first by arc-melting and milling, and second by mechanical alloying from powders and subsequent annealing. The X-ray diffraction analyses show that the samples consist of 1:5 and 2:17 phases. Magnetic measurements show that the coercivity for samples prepared by arc-melting and milling increases with increase in milling time and it reaches a maximum of 8.1 kOe for x = 0.30 and 5.3 kOe for x = 0.25, and then decreases for both samples. The coercivities for the sample with x = 0.30 are higher than the coercivities for the sample with x = 0.25 for all milling times. High-temperature vibrating sample magnetometer magnetic measurements show that the coercivity for all samples decreases with increasing temperature from room temperature to 600°C. The sample prepared by mechanical alloying has higher coercivity (20 kOe at room temperature) than that prepared by arc-melting and milling for all temperatures under investigation. These materials have moderate energy products (1-10 MG Oe) and can be used for high-temperature magnetic applications.

Original languageEnglish
Pages (from-to)107-111
Number of pages5
JournalPhysica B: Physics of Condensed Matter
Volume321
Issue number1-4
DOIs
Publication statusPublished - Aug 2002

Fingerprint

Magnets
Magnetic properties
magnets
Coercive force
magnetic properties
coercivity
arc melting
Melting
Mechanical alloying
Magnetic variables measurement
Temperature
alloying
magnetic measurement
Magnetometers
Powders
room temperature
magnetometers
Annealing
temperature
X ray diffraction

Keywords

  • Anisotropy
  • Coercivity
  • Fine-temperature magnetism
  • Milling
  • Permanent magnets

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

High-temperature magnetic properties of SmCo6.7-xCu0.6Tix magnets. / Al-Omari, I. A.; Shobaki, J.; Skomski, R.; Leslie-Pelecky, D.; Zhou, J.; Sellmyer, D. J.

In: Physica B: Physics of Condensed Matter, Vol. 321, No. 1-4, 08.2002, p. 107-111.

Research output: Contribution to journalArticle

Al-Omari, IA, Shobaki, J, Skomski, R, Leslie-Pelecky, D, Zhou, J & Sellmyer, DJ 2002, 'High-temperature magnetic properties of SmCo6.7-xCu0.6Tix magnets', Physica B: Physics of Condensed Matter, vol. 321, no. 1-4, pp. 107-111. https://doi.org/10.1016/S0921-4526(02)00832-3
Al-Omari, I. A. ; Shobaki, J. ; Skomski, R. ; Leslie-Pelecky, D. ; Zhou, J. ; Sellmyer, D. J. / High-temperature magnetic properties of SmCo6.7-xCu0.6Tix magnets. In: Physica B: Physics of Condensed Matter. 2002 ; Vol. 321, No. 1-4. pp. 107-111.
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