# Nondestructive Evaluation of Thermal Barrier Coatings Thickness Using Terahertz Technique Combined with PCA–GA–ELM Algorithm

> Research article (Coatings, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4221128324](https://www.wikidata.org/wiki/openalex:W4221128324)  
**Source**: https://4ort.xyz/entity/nondestructive-evaluation-of-thermal-barrier-coatings-thickness-using-terahertz-technique-combined-with-pcagaelm-algorit