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製錬転換施設の廃止措置プロジェクト,2; ダイヤモンド工具の実解体への適用性

Decommissioning project of uranium conversion plant, 2; Performance expected of diamond-coated cutter

高橋 信雄; 森本 靖之; 田中 祥雄 ; 徳安 隆志; 杉杖 典岳

Takahashi, Nobuo; Morimoto, Yasuyuki; Tanaka, Yoshio; Tokuyasu, Takashi; Sugitsue, Noritake

従来型のダイヤモンド工具による鋼材の切断・研磨は、工具寿命が短く、不向きである。しかし、Niベースの接着材を使用し、砥粒取り付け強度の増したダイヤモンド工具は、鋼材の切断・研磨においても長寿命性を有すると2009年秋の大会にて報告がなされた。本発表では、報告のあったダイヤモンド工具を用いた切断試験を行った結果をもとに、以下の項目について発表する。(1)製錬転換施設の解体実績から抽出される核燃料施設廃止措置実務の特徴、(2)ダイヤモンド工具を用いたSS板材の切断試験結果、(3)ダイヤモンド工具の廃止措置実務への適用性評価結果

Cutting/Abrasion of the steel with the conventional diamond-coated cutter has a short tool life. Therefore it has been assumed that the cutting of steel with the diamond-coated cutter was unsuitable. However, the abrasive installation strength of the diamond-coated cutter which used the adhesive of Ni base for increases. Therefore it was reported that even the cutting/abrasion of steel had longer tool life in a meeting of autumn, 2009. We examined the cutting with a diamond-coated cutter at reported. In this announcement, we announce following items about examined result. (1) A characteristic of nuclear fuel plant decommissioning project extracted from the dismantling results of the uranium conversion plant. (2) The cutting examined result of the SS for the diamond-coated cutter. (3) An applicability evaluation result to the decommissioning project for the diamond-coated cutter.

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