Material selection for acoustic radiators that are light and stiff

S P Porter1, D C Markley, D J Van Tol

  • 1Applied Research Laboratory, The Pennsylvania State University, P.O. Box 30, State College, Pennsylvania 16804, USA. scott.porter@psu.edu

Summary

This study explores the use of ceramics for acoustic radiators in tonpilz transducers. The focus is on the headmass, which must be both light and stiff. The authors developed a software routine to model the flexural behavior of square plates made from different materials. They used thin and thick plate theories to predict how materials would perform. The results suggest that ceramics could be suitable for this application. The study emphasizes that flexural behavior is a useful first-level metric for material selection. The authors propose that this theoretical approach can help streamline the design process. However, they note that further experimental validation is needed.

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