Research Article

Designing a New Dynamic Mechanical Analysis (DMA) System for Testing Viscoelastic Materials at High Frequencies

Table 1

Specifications of the chosen stacked preloaded piezoelectric actuator.

ItemValueUnit

Closed-loop travel15µm
Closed-loop resolution0.3nm
Push/pull force800/300N
Electrical capacitance1.8 ± 20%µF
Unloaded resonant frequency (f0)18 ± 20%kHz
Standard operating temperature range−20 to +80°C
Weight without cables31 ± 5%g
Length, L37 ± 0.3mm