Bri·nell hard·ness test

(bri-nel hahrdnĕs test)

Common dental measurement to determine hardness of ductile materials (e.g., metals). A hardened steel ball of specific diameter is pressed into the polished surface of the material under a specified load. The result, determined from the area of the surface of the indentation, is an index of hardness (e.g., Brinell hardness number).

Medical Dictionary for the Dental Professions © Farlex 2012

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References in periodicals archive

One of the most common causes of test variation results from the Brinell Hardness Test technique employed by the operator.

Q How can we reduce the variability in results from Brinell hardness testing on quench and tempered steel castings?

A Brinell hardness test for eastern beech wood was done according to the Brinell-Morath method by following German Industrial Norm (DIN-Vornorm C 3011) (6).

Determination of the relationships between brinell and janka hardness of eastern beech (Fagus orientalis lipsky). (Fundamental Disciplines)

Several castings outside of the acceptable Brinell hardness range are necessary to establish a correlation because the standard error in the Brinell hardness test is significantly large when compared with the usual hardness acceptance range for most gray iron castings.

Nondestructive testing: 5 ways to ensure defect-free deliveries

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