Knoop hardness test
id:
knoop-hardness-test-202-14717880
title:
Knoop hardness test
text:
The Knoop hardness test is a microhardness test – a test for mechanical hardness used particularly for very brittle materials or thin sheets, where only a small indentation may be made for testing purposes. 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. The geometry of this indenter is an extended pyramid with the length to width ratio being 7:1 and re
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Knoop_hardness_test
date created:
date modified:
2023-10-11T15:53:07Z
main entity:
{"identifier":"Q2451025","url":"https://www.wikidata.org/entity/Q2451025"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/1/1f/Knoop-and_Mohs-_scale.svg","width":400,"height":434}
fields total:
13
integrity:
14