Hot-extrusion processing of Bi-Sr-Ca-Cu-O super conducting oxide ceramics (2212 phase).

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  • Ｂｉ‐Ｓｒ‐Ｃａ‐Ｃｕ‐Ｏ系酸化物超伝導セラミックス（２２１２相）の高温押出加工
  • Bi Sr Ca Cu Oケイ サンカブツ チョウデンドウ セラミックス 22

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Bi2Sr2CaCu2Ox polycrystalline ceramics or the ceramics powder prepared by solid-state reaction was cupsulated in copper can with the dimensions of 22φ-14φ-65 ?? . The billet (can containing ceramics) preheated at a temparature of 840°C for 8 minutes, and then successfully extruded by pressing at a maximum load of about 34 ton. Phase stability, texturing of ceramics before and after the processing, and effect of the processing on the densification of extruded polycrystal were investigated in this reserch.

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