The Carbon Absorption of Tungsten Filament during Diamond Deposition Treatment in Hot-Filament Method

Hisashi Suzuki; Hideaki Matsubara; Noritoshi Horie

doi:10.2497/jjspm.33.281

The Carbon Absorption of Tungsten Filament during Diamond Deposition Treatment in Hot-Filament Method

Hisashi Suzuki, Hideaki Matsubara, Noritoshi Horie

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The carbon absorption of tungsten filament in hot-filament method was mainly studied in relation to the amount of diamond deposition on WC-Co substrate. The newly used tungsten filament absorbed the carbon in the mixed gas of CH4 plus H₂at the initial stage of deposition treatment, so that the incubation period for the deposition, which was varied according to the CH4 concentration in a mixed gas, appeared. It was suggested that pre-carburizing treatment of tungsten filament in a gas having higher CH4 content was effective in order to stably deposit the diamond. Diamond was deposited also by passing hydrogen gas only through the pre-carburized filament.

Original language	English
Pages (from-to)	281-285
Number of pages	5
Journal	journal of the japan society of powder and powder metallurgy
Volume	33
Issue number	6
DOIs	https://doi.org/10.2497/jjspm.33.281
Publication status	Published - 1986 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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abstract = "The carbon absorption of tungsten filament in hot-filament method was mainly studied in relation to the amount of diamond deposition on WC-Co substrate. The newly used tungsten filament absorbed the carbon in the mixed gas of CH4 plus H2at the initial stage of deposition treatment, so that the incubation period for the deposition, which was varied according to the CH4 concentration in a mixed gas, appeared. It was suggested that pre-carburizing treatment of tungsten filament in a gas having higher CH4 content was effective in order to stably deposit the diamond. Diamond was deposited also by passing hydrogen gas only through the pre-carburized filament.",

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AU - Matsubara, Hideaki

AU - Horie, Noritoshi

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Y1 - 1986/1/1

N2 - The carbon absorption of tungsten filament in hot-filament method was mainly studied in relation to the amount of diamond deposition on WC-Co substrate. The newly used tungsten filament absorbed the carbon in the mixed gas of CH4 plus H2at the initial stage of deposition treatment, so that the incubation period for the deposition, which was varied according to the CH4 concentration in a mixed gas, appeared. It was suggested that pre-carburizing treatment of tungsten filament in a gas having higher CH4 content was effective in order to stably deposit the diamond. Diamond was deposited also by passing hydrogen gas only through the pre-carburized filament.

AB - The carbon absorption of tungsten filament in hot-filament method was mainly studied in relation to the amount of diamond deposition on WC-Co substrate. The newly used tungsten filament absorbed the carbon in the mixed gas of CH4 plus H2at the initial stage of deposition treatment, so that the incubation period for the deposition, which was varied according to the CH4 concentration in a mixed gas, appeared. It was suggested that pre-carburizing treatment of tungsten filament in a gas having higher CH4 content was effective in order to stably deposit the diamond. Diamond was deposited also by passing hydrogen gas only through the pre-carburized filament.

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The Carbon Absorption of Tungsten Filament during Diamond Deposition Treatment in Hot-Filament Method

Abstract

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