Knoop test
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English[edit]
Etymology[edit]
Developed by Frederick Knoop and colleagues at the National Bureau of Standards of the United States in 1939.
Noun[edit]
Knoop test (plural Knoop tests)
- 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.