Adhesion of nanodiamond seeded CVD diamond on ceramic substrate

Min Goon Jung, Jong Hoon Kim, Seung Koo Lee, Yoon Suk Oh, Dae-Soon Lim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Conventional structural ceramic substrates were coated with 1 μm thick polycrystalline CVD diamond layer by using the hot filament CVD system and subsequently tested. The substrates chosen were silicate, alumina, silicon nitride, and silicon carbide ceramics. To achieve a high nucleation density and to improve the adhesion between the diamond and the ceramic substrate, the newly developed Electrostatic Self-Assembly of Nano Diamond (ESAND) seeding method was used. This seeding method initiates the growth of crystalline diamond. For this seeding procedure, each negatively charged substrate surface was covered with a cationic polymer monolayer. Next, anionic polymer coated cationic nanodiamond particles were attached to the substrate by the electrostatic self-assembly process. The degree of adhesion between the diamond film and each substrate was investigated by micro-scratch testing. These tests involved the use of a Rockwell C indenter (r = 0.2 mm), which scratched the samples at a speed of 10 mm/min under a progressive normal load (from 0 to 21N). The morphology of the poly-crystalline diamond films on the various substrates was analyzed using Raman spectroscopy.

Original languageEnglish
Pages (from-to)650-653
Number of pages4
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume117
Issue number1365
Publication statusPublished - 2009 May 1
Externally publishedYes

Fingerprint

Nanodiamonds
Diamond
Chemical vapor deposition
Diamonds
adhesion
Adhesion
diamonds
vapor deposition
ceramics
Substrates
inoculation
Diamond films
diamond films
Self assembly
self assembly
Electrostatics
Polymers
electrostatics
Structural ceramics
Crystalline materials

Keywords

  • C
  • Ceramic wear
  • Wear resistant coating

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Adhesion of nanodiamond seeded CVD diamond on ceramic substrate. / Jung, Min Goon; Kim, Jong Hoon; Lee, Seung Koo; Oh, Yoon Suk; Lim, Dae-Soon.

In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 117, No. 1365, 01.05.2009, p. 650-653.

Research output: Contribution to journalArticle

Jung, Min Goon ; Kim, Jong Hoon ; Lee, Seung Koo ; Oh, Yoon Suk ; Lim, Dae-Soon. / Adhesion of nanodiamond seeded CVD diamond on ceramic substrate. In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan. 2009 ; Vol. 117, No. 1365. pp. 650-653.
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