ジュメット線-ガラス封着体中の応力

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書誌事項

タイトル別名
  • Stresses in Dumet-to-Glass Seals
  • ジュメットセン-ガラス フウチャクタイ チュウ ノ オウリョク

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説明

Dr. Takagi proposed a theory, which seems to be almost satisfactory, of dumet-to-glass sealing. But on application to practical manufacturing, there were difficulties, i.e., equivalent setting point was unknown, material-constants to be employed in the theory were uncertain, and its reliability and limitation were not confirmed by experimental works. Moreover, few useful characteristics of dumet wires and glasses were found in literatures.<br>In this paper, dumet wires of diameter of 1.0mm and of copper ratios of 22% or 31% and three kinds of glasses of considerably different characteristics were employed as samples, and their thermal expansion and annealing points of glasses were measured. Ra dial, tangential or axial stresses in glass and their changes with temperature were observed photo-elastically with the dumet-to-glass cylindrical seals made of these samples. Agreement between the theory and experimental results were rather good and annealing points could be taken as the equivalent setting points for practical purposes.<br>Suitable combination of dumet wire and glass for good sealing were also discussed theoretically along with testing methods for dumet-to-glass seals.

収録刊行物

  • 窯業協會誌

    窯業協會誌 66 (745), 73-79, 1958

    公益社団法人 日本セラミックス協会

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