AuCu-Ag擬二元系合金の熱処理が腐食挙動に及ぼす影響 Effect of the Heat Treatment on the Corrosion Behavior in AuCu-Ag Pseudobinary Alloy

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著者

    • 中村 茂 NAKAMURA Shigeru
    • 長崎大学歯学部歯科補綴学第二講座 Department of Removable Prosthodontics, Nagasaki University School of Dentistry
    • 小池 麻里 KOIKE Mari
    • 長崎大学歯学部歯科補綴学第二講座 Department of Removable Prosthodontics, Nagasaki University School of Dentistry
    • 藤井 弘之 FUJII Hiroyuki
    • 長崎大学歯学部歯科補綴学第二講座 Department of Removable Prosthodontics, Nagasaki University School of Dentistry

抄録

From a viewpoint of dental metal allergy, many investigators have paid attention to the influences of metallic materials on the human body. It has also been required to explain the corrosion mechanism and to establish the evaluation method of corrosion resistance for these materials. The purpose of this study was to obtain fundamental data which explain the corrosion behavior of dental alloys.<BR>AuCu-14 at%Ag pseudobinary alloy, simplified component and composition, were heat treated and compared with each datum of corrosion behavior in 1%NaCl solution.<BR>In the potential range of ±0.3 V (vs. SCE), assumed intraoral condition, sample aged at 250°C for 100 ks after solution treatment showed significantly higher corrosion activity than other heat treatment conditions (p<0.001).<BR>The result showed that dissolution of alloy components from the metallic restoration were influenced by heat treatment. Thus it was suggested that anodic polarization measurement could be used as an evaluation method of corrosion resistance for dental alloys.

収録刊行物

  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 41(4), 670-674, 1997-08-01

    Japan Prosthodontic Society

参考文献:  38件中 1-38件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    10008167270
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03895386
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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