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Report No.

Viscosity measurements of molten metal using an improved oscillating crucible method

Sato, Rika*; Nishi, Tsuyoshi*; Ota, Hiromichi*; Yamano, Hidemasa   

In this study, we developed a simple viscosity measurement method based on the principle of least squares to derive the period and logarithmic decrement of oscillation. To confirm the reproducibility of the proposed method, the viscosity of molten nickel was measured and found to be in good agreement with those reported in the literature. The measurement error was less than $$pm$$3%. Further, the experimental data showed good reproducibility, and the measurements were obtained with high accuracies using the proposed method.



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