Tailoring Ti 3 SiC 2 ceramic via a strong magnetic field alignment method followed by spark plasma sintering

Chunfeng Hu, Yoshio Sakka, Salvatore Grasso, Tohru Suzuki, Hidehiko Tanaka

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Highly textured Ti 3 SiC 2 ceramic was successfully fabricated by slip casting in a 12 T strong magnetic field followed by spark plasma sintering. The optimized suspension parameters for slip casting were determined as 20 vol% Ti 3 SiC 2 and 1.5 wt% polyethyleneimine dispersant of powder in deionized water. After texturing in the 12 T strong magnetic field and then cold isostatic pressing, the relative densities of green bodies were 51.4% and 63.8%, respectively. X-ray diffraction analysis revealed that the preferred orientation of Ti 3 SiC 2 grains perpendicular to the magnetic field direction was along the c-axis. After sintering at 1100° and 1000°C under the pressure of 120 and 500 MPa, respectively, the relative density of Ti 3 SiC 2 reached 88.2% and 98.6%. The Lotgering orientation factors on the textured top surface and textured side surface were determined as f (00l) =0.95 and f (hk0) =0.31, respectively. The textured microstructure contributed to the anisotropic mechanical property tested by Vickers indentation.

Original languageEnglish
Pages (from-to)742-748
Number of pages7
JournalJournal of the American Ceramic Society
Volume94
Issue number3
DOIs
Publication statusPublished - 2011 Mar 1
Externally publishedYes

Fingerprint

Spark plasma sintering
Magnetic fields
Casting
Polyethyleneimine
Texturing
Deionized water
Indentation
Powders
X ray diffraction analysis
Suspensions
Sintering
Mechanical properties
Microstructure

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Tailoring Ti 3 SiC 2 ceramic via a strong magnetic field alignment method followed by spark plasma sintering . / Hu, Chunfeng; Sakka, Yoshio; Grasso, Salvatore; Suzuki, Tohru; Tanaka, Hidehiko.

In: Journal of the American Ceramic Society, Vol. 94, No. 3, 01.03.2011, p. 742-748.

Research output: Contribution to journalArticle

Hu, Chunfeng ; Sakka, Yoshio ; Grasso, Salvatore ; Suzuki, Tohru ; Tanaka, Hidehiko. / Tailoring Ti 3 SiC 2 ceramic via a strong magnetic field alignment method followed by spark plasma sintering In: Journal of the American Ceramic Society. 2011 ; Vol. 94, No. 3. pp. 742-748.
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