Retraction notices

Approximation of surface wave frequency in piezo-composite structure

Type
Expression of concern
Notice date
12/1/2022 0:00
Journal
Composites Part B: Engineering
Publisher
Elsevier
Notice DOI
10.1016/j.compositesb.2022.110363
Original paper DOI
10.1016/j.compositesb.2018.01.017

Reasons