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The bending disks bow in and out like a drum head
they are not intended to be center accessed
This two layer (bi-morph) piezoelectric actuator and sensor is unique to our other products in that each piezo layer is wired out individually to 4 wires
the piece expands along the axis of polarization (thickness direction) and contracts perpendicular to the axis of polarization (length and width direction)
A 2-layer element behaves like a single layer when both layers expand (or contract) together
Piezoelectric Plate (T180-A4NO-2929) Meta||Dimensions (mm.)||63;5 x 31;8 x 0;51 mm The bending disks bow inPSI 5A4E is an industry type 5A (Navy Type II) piezoceramic. Thin vacuum sputtered nickel electrodes produce extremely low current leakage and low magnetic permeability. It operates over a wide temperature range and is relatively temperature insensitive. When an electric field having the same polarity and orientation as the original polarization field is placed across the thickness of a single sheet of piezoceramic, the piece expands along the axis of
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