Knoop test

English

Etymology

Developed by Frederick Knoop and colleagues at the National Bureau of Standards of the United States in 1939.

Noun

Knoop test (plural Knoop tests)

1. A microhardness test in which a pyramidal diamond point is pressed into the polished surface of the test material with a known load, for a specified dwell time, and the resulting indentation is measured using a microscope.

Related terms

• Knoop hardness