Development of a low-cost composite film technique for functional micro-tools

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study presents the development of a low-cost composite film technique for making functional micro-tools. A conductive substrate is coated with a layer of formative oily-wax to define the featured pattern for depositing a layer of nickel-matrix diamond on the substrate. Porous material, made from an aluminum oxide grinding wheel of appropriate pore size, is employed as the co-deposition tank to generate good convection of the electrolyte and maintain uniformity of the particulate-composite suspension in the electrolyte of the tank. Two experimental samples including a micro-hole structure and an ultra-thin wheel tool are manufactured and tested. The wax-pattern can be fully removed by simply immersing the substrate in hot water; the diamond film thickness varies positively with deposition time. The proposed approach should contribute significantly to the precision micro-machining industry.

Original languageEnglish
Pages (from-to)4742-4748
Number of pages7
JournalThin Solid Films
Volume519
Issue number15
DOIs
Publication statusPublished - 2011 May 31

Keywords

  • Electrochemical co-deposition
  • Micro-tool
  • Nickel-matrix diamond film
  • Wax coating

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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