# Brinell hardness test

> The way to measure the hardness of a material is with a special tool called an indenter, which is pressed into the material and the larger the cavity, the harder the material.

**Wikidata**: [Q714750](https://www.wikidata.org/wiki/Q714750)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Brinell_hardness_test)  
**Source**: https://4ort.xyz/entity/brinell-hardness-test


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. National Library of Israel
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)