ダイヤモンド状炭素被覆球電極の使用による純水の抵抗率と雷インパルス絶縁破壊電圧への影響

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タイトル別名
  • Influence on the Resistivity and on the Lightning Impulse Breakdown Voltage of Pure Water using Coated Spherical Electrode with Diamond-like Carbon
  • ダイヤモンドジョウ タンソ ヒフクキュウ デンキョク ノ シヨウ ニ ヨル ジュンスイ ノ テイコウリツ ト カミナリインパルス ゼツエン ハカイ デンアツ エ ノ エイキョウ

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説明

<p>We investigated the fundamental electrical characteristics of pure water using coated spherical electrodes with diamond-like carbon (DLC). When the spherical electrodes made of chromium steel, which is one of metals, were put in pure water, the resistivity of pure water decreased 23% compared to pure water alone after 120 minutes. On the other hand, when the spherical electrodes made of chromium steel coated with DLC with a thickness of 1 µm were put in pure water, the decrease in resistivity of pure water could be suppressed to 10%. Furthermore, with chromium steel spherical electrodes coated with DLC, the lightning impulse breakdown voltage of pure water was 16% higher than that with the bare chromium steel spherical electrodes.</p>

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