Microstructure and electrode discharge machining of TiN/Si 3N4 composites

Chien Cheng Liu, Jow-Lay Huang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Conductive TiN/Si3N4 ceramic composites were processed by electrical discharge machining (EDM) and their microstructure and conductivity investigated. A low electrical resistivity of 1.25×10 -3Ω.cm was obtained in 40vol%TiN/Si3N4 composite. The whole process of tool electrode wear is evaluated by sinker-EDM. The machined surfaces of TiN/Si3N4 ceramic composites were examined by scanning electron microscopy (SEM) and profilometry to determine the surface finish. Micropores of 700 μm in depth and 70 μm in diameter were successfully machined in TiN/ Si3N4 composites by the micro-EDM method.

Original languageEnglish
Pages (from-to)1337-1340
Number of pages4
JournalMaterials Science Forum
Volume475-479
Issue numberII
Publication statusPublished - 2005

Fingerprint

Electric discharge machining
machining
microstructure
Microstructure
Electrodes
composite materials
electrodes
Composite materials
ceramics
Profilometry
Wear of materials
conductivity
Scanning electron microscopy
electrical resistivity
scanning electron microscopy
silicon nitride

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "Conductive TiN/Si3N4 ceramic composites were processed by electrical discharge machining (EDM) and their microstructure and conductivity investigated. A low electrical resistivity of 1.25×10 -3Ω.cm was obtained in 40vol{\%}TiN/Si3N4 composite. The whole process of tool electrode wear is evaluated by sinker-EDM. The machined surfaces of TiN/Si3N4 ceramic composites were examined by scanning electron microscopy (SEM) and profilometry to determine the surface finish. Micropores of 700 μm in depth and 70 μm in diameter were successfully machined in TiN/ Si3N4 composites by the micro-EDM method.",
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Microstructure and electrode discharge machining of TiN/Si 3N4 composites. / Liu, Chien Cheng; Huang, Jow-Lay.

In: Materials Science Forum, Vol. 475-479, No. II, 2005, p. 1337-1340.

Research output: Contribution to journalArticle

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AU - Liu, Chien Cheng

AU - Huang, Jow-Lay

PY - 2005

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AB - Conductive TiN/Si3N4 ceramic composites were processed by electrical discharge machining (EDM) and their microstructure and conductivity investigated. A low electrical resistivity of 1.25×10 -3Ω.cm was obtained in 40vol%TiN/Si3N4 composite. The whole process of tool electrode wear is evaluated by sinker-EDM. The machined surfaces of TiN/Si3N4 ceramic composites were examined by scanning electron microscopy (SEM) and profilometry to determine the surface finish. Micropores of 700 μm in depth and 70 μm in diameter were successfully machined in TiN/ Si3N4 composites by the micro-EDM method.

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