# tempering

> process of heat treating used to increase the toughness of iron-based alloys

**Wikidata**: [Q685487](https://www.wikidata.org/wiki/Q685487)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tempering_(metallurgy))  
**Source**: https://4ort.xyz/entity/tempering


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Quora
3. National Library of Israel Names and Subjects Authority File
4. KBpedia
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)