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J Dent Res 52(1): 163-169, 1973
© 1973 International and American Associations for Dental Research
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Comparison of Brinell and Vickers Hardness Tests on Dental Casting Gold Alloys

J. A. BARTON JR. 1, J. D. EICK 1, and G. DICKSON 1

1 Institute for Materials Research, National Bureau of Standards, Washington, DC 20234, USA

The relationship between Vickers and Brinell hardness numbers of dental casting gold alloys was found to be linear; the addition of 19 to the Brinell number approximated the Vickers number fairly well. The coefficient of variation for the Brinell test was about 1% less than that of the Vickers test. Effects of reading error, sample inhomogeneity, and other factors on the precision of the Vickers values were evaluated.

Submitted on May 26, 1972






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