발간논문

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Vol.21, No.7, 635 ~ 649, 1983
Title
Study on Ag - Sn System for Dental Amalgam (2) - The effect of zinc on the structure and mechanical properties of the silver base dental amalgam -
한상우Sang Woo Han, 차영현Young Hyoun Cha, 이종남Jong Nam Lee
Abstract
In order to investigate the effect of zinc on the structure and mechanical properties of the silver base dental amalgam, the experiment was performed by setting the zinc content from 0 to 8% in Ag-Sn system alloy for dental application. From this experiment following results were obtained ; 1. γphase in the pre-alloy structure decreased as zinc content increased, whereas free Sn and Ag-Zn phase increased as zinc content increased. 2. Unreacted γphase in the amalgam structure decreased as zinc content increased, whereas γ₂phase increased as zinc content increased. 3. Hardness of γphase in the pre-alloy increased as zinc content increased. 4. Hardness and compressive strength of amalgam alloy containning zinc up to 3.7% increased as znic content increased, and then dereased with much more zinc content. 5. Hardness and compressive strength of amalgam alloy increased with aging.
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