# Noise Emission form Functionally Graded Materials based Polypropylene Spur Gears - A Tribological Investigation

> Research article (Materials Today Proceedings, 2018) · cited 19× · AI/ML

**Wikidata**: [openalex:W2796616290](https://www.wikidata.org/wiki/openalex:W2796616290)  
**Source**: https://4ort.xyz/entity/noise-emission-form-functionally-graded-materials-based-polypropylene-spur-gears-a-tribological-investigation