歯科材料引張疲労試験の新しい方法

DOI NDLデジタルコレクション Web Site PubMed 被引用文献6件
  • 西村 文夫
    東京医科歯科大学歯学部第一歯科理工学教室
  • 中村 英雄
    東京医科歯科大学歯学部第一歯科理工学教室
  • 亘理 文夫
    東京医科歯科大学歯学部第一歯科理工学教室
  • 田中 至
    東京医科歯科大学歯学部第一歯科理工学教室
  • 高橋 英和
    昭和大学歯学部第一歯科補綴学教室

書誌事項

タイトル別名
  • A New Procedure of the Tensile Fatigue Test for Dental Materials

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抄録

A new tensile fatigue test using a stainless steel screw was introduced. A transparent PMMA rod was selected as the test material. A hole was drilled and tapped into the rod; a screw was put into the rod with dental cement or without cementation. Three types of cyclic loads were applied to the test piece; the number of times the load was applied when the initial crack was observed and when the final fracture occurred were recorded. Surface observation showed that actual fatigue fractures occurred in the test piece. The preferred applied load waveform was the cyclic haver-triangles load because of the small coefficient of variance. Fatigue strengths of test pieces with and without cementation were different. Cementation improved the fatigue properties, and the type of cement had an effect on the fatigue properties. Although the number of final fractures minus the number of initial cracks was the constant regardless of the type of cement used.

収録刊行物

  • Dental Materials Journal

    Dental Materials Journal 11 (2), 141-149,217, 1992

    一般社団法人　日本歯科理工学会

被引用文献 (6)*注記

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