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Journal of Dental Research
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Tarnishing of a Low-gold Dental Alloy in Different Structural States

H. Herø

NIOM, Scandinavian Institute of Dental Materials, Forskningsveien 1, Oslo 3, Norway

R.B. Jørgensen

NIOM, Scandinavian Institute of Dental Materials, Forskningsveien 1, Oslo 3, Norway

Tarnish testing of a low-gold alloy has been carried out in a solution of Na2S. Different structures were created by means of heat treatments. Substantial variations in tarnish and corrosion resistance and in types of attack were observed. Annealing to a single phase structure gave the best resistance, while subsequent age-hardening had a deteriorating effect.

REFERENCES

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  • Status Report on Low-Gold-Content Alloys for Fixed Prostheses, Council on Dental Materials, Instruments, and Equipment, JADA 100: 237-240, 1980.
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  • Guertler, W.M.: Konstitution der Ternaren Metallische Systeme, Kompendium-lose-blatt-samlung: I Rieferung 2-3, Berlin: Dahlem, 1956.

Journal of Dental Research, Vol. 62, No. 3, 371-376 (1983)
DOI: 10.1177/00220345830620031401


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This Article
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Right arrow Articles by Herø, H.
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