Relationship between creep, γ2, and marginal fracture of dental amalgams

N. K. SARKAR; C. S. EYER; B. K. NORLING

doi:10.1111/j.1365-2842.1983.tb01472.x

Relationship between creep, γ₂, and marginal fracture of dental amalgams

N. K. SARKAR, C. S. EYER, B. K. NORLING

Comprehensive Dentistry

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The effect of γ₁ and γ₂ on the creep deformation of dental amalgams has been investigated. It has been shown that the creep of a conventional amalgam is not dependent on γ₁ as was previously reported. Rather it is strongly influenced by γ₂ and its volume fraction. It has been speculated that Sn‐rich grain boundaries also enhance creep by facilitating grain boundary sliding. The reported correlation between creep and marginal fracture has been explained in terms of this dependence of creep on corrosionprone Sn‐rich microstructural constituents of amalgams.

Original language	English (US)
Pages (from-to)	489-494
Number of pages	6
Journal	Journal of Oral Rehabilitation
Volume	10
Issue number	6
DOIs	https://doi.org/10.1111/j.1365-2842.1983.tb01472.x
State	Published - Nov 1983

ASJC Scopus subject areas

Dentistry(all)

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AB - The effect of γ1 and γ2 on the creep deformation of dental amalgams has been investigated. It has been shown that the creep of a conventional amalgam is not dependent on γ1 as was previously reported. Rather it is strongly influenced by γ2 and its volume fraction. It has been speculated that Sn‐rich grain boundaries also enhance creep by facilitating grain boundary sliding. The reported correlation between creep and marginal fracture has been explained in terms of this dependence of creep on corrosionprone Sn‐rich microstructural constituents of amalgams.

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