# Effect of ultrasonic nanocrystalline surface modification process on fretting wear behavior of laser surface textured 20CrMoH steel

> Research article (Surface and Coatings Technology, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3208738634](https://www.wikidata.org/wiki/openalex:W3208738634)  
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