# Improved energy conversion efficiency of the ultrasonic motor with surface texture

> Research article (Industrial Lubrication and Tribology, 2018) · cited 22× · AI/ML

**Wikidata**: [openalex:W2891821030](https://www.wikidata.org/wiki/openalex:W2891821030)  
**Source**: https://4ort.xyz/entity/improved-energy-conversion-efficiency-of-the-ultrasonic-motor-with-surface-texture