STRUCTURE, PHASE COMPOSITION, AND CHARACTER OF FRACTURE OF SINTERED TiC-NiTi COMPOSITE MATERIALS.

T. M. Poletika, S. N. Kul'kov, V. E. Panin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

There are three ranges of compositions in which sintering is controlled by different mechanisms: 0-30% NiTi, in which solid-phase sintering predominates; 40-60%, in which recrystallization through a liquid phase takes place; and 70-90%, which is characterized by a regrouping of carbide particles. The structure consists of TiC, NiTi, and Ni//3Ti phases. As the composition of NiTi changes during sintering, the damping ability imparted by the martensitic transformation occurring during fracture deformation manifests itself only in alloys with less than equivalent to 30% TiC. The character of fracture of TiC-NiTi alloys depends on their binder content and microstructure.

Original languageEnglish
Pages (from-to)560-564
Number of pages5
JournalSoviet Powder Metallurgy and Metal Ceramics
Volume22
Issue number7
Publication statusPublished - Jul 1983

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Phase composition
Sintering
Martensitic transformations
Chemical analysis
Binders
Carbides
Damping
Microstructure
Liquids

ASJC Scopus subject areas

  • Engineering(all)
  • Metals and Alloys
  • Ceramics and Composites

Cite this

STRUCTURE, PHASE COMPOSITION, AND CHARACTER OF FRACTURE OF SINTERED TiC-NiTi COMPOSITE MATERIALS. / Poletika, T. M.; Kul'kov, S. N.; Panin, V. E.

In: Soviet Powder Metallurgy and Metal Ceramics, Vol. 22, No. 7, 07.1983, p. 560-564.

Research output: Contribution to journalArticle

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