Ｃｕプレコーティングした合成ダイヤモンド焼結切断工具の研削切断性試験

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タイトル別名
  • Cutting Test by Sintered Sawblade Using Cu Precoated Synthetic Diamond.
  • Cu プレ コーティングシタ ゴウセイ ダイヤモンド ショウケツ セツダン コ

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説明

The synthetic diamond which has been applied to some sintering tools is known to reduce the strength at an elevated temperature. We clarified in the former report that the Cu precoating of the diamond is effective to prevent the deterioration during the sintering process.<BR>In this study, the effect of the Cu precoating is examined by measuring the fracturing rate of the diamond and the formation-rate of holes of sintering tools after an actual cutting test under several cutting rates.<BR>As the result, it was clarified that the fracturing rate of the Cu precoated diamond is lower than that of the noncoated one, there was no difference in the formation-rate of holes between the Cu coated and the noncoated diamond tips sintered at a short time as 0.3ks or a long time as 3.6ks, and the fracturing rate under an actual cutting can be estimated from the fracture strength obtained by the single-particle test of the strength.

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