ルビー単結晶のベース面と小角をなす面の摩耗

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書誌事項

タイトル別名
  • Wear of Ruby Single Crystals along a Plane Close to the Basal Plane
  • ルビータンケッショウ ノ ベースメン ト ショウカク オ ナス メン ノ マモウ

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説明

It has been reported that wear of a sapphire single crystal along a plane close to the basal plane is progressed by basal slip and that the wear is obstructed by prismatic dislocations which disturb the basal dislocation motion. Since it appears that dissolved Cr2O3 in a α-Al2O3 crystal disturbs the dislocation motion, influence of dissolved Cr2O3 on wear of α-Al2O3 crystals along a plane leant by 5° to the basal plane was experimentally investigated using ruby single crystals dissolving 0-0.9mole% of Cr2O3.<br>The crystals were worn on a rotating mild steel disk at a speed of 0.60m/sec and a load of 0.95kg under water lubrication.<br>Influences of annealing of the crystals at 1900°C for 6hrs. and of prismatic dislocation density on wear were also investigated. It was found that only the prismatic dislocation density was significant to wear. Lower wear rate was observed on the crystals of higher dislocation density.

収録刊行物

  • 窯業協會誌

    窯業協會誌 75 (861), 135-140, 1967

    公益社団法人 日本セラミックス協会

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