INDUSTRY COMPONENT

Piezoelectric Ceramic Layer

A piezoelectric ceramic layer is a thin, functional component that converts mechanical stress into electrical voltage and vice versa, used in precision actuators, sensors, and transducers.

View Specifications

Component Specifications

Definition
The piezoelectric ceramic layer is a critical element within a piezoelectric stack, typically composed of polycrystalline ferroelectric materials like lead zirconate titanate (PZT). It operates based on the piezoelectric effect, where applied mechanical stress generates an electrical charge (direct effect) and applied voltage induces mechanical strain (converse effect). This layer is engineered with precise thickness, polarization, and electrode configurations to optimize performance in applications requiring high displacement accuracy, fast response times, and reliability under dynamic loads.
Working Principle
The working principle relies on the piezoelectric effect: when mechanical stress is applied to the ceramic layer, it causes a displacement of ions within the crystal lattice, generating an electric dipole moment and resulting in a measurable voltage across the electrodes. Conversely, applying an electric field induces lattice deformation, producing mechanical strain. This bidirectional energy conversion enables precise control of displacement in actuators and sensitive detection in sensors.
Materials
Lead zirconate titanate (PZT) ceramics, often doped with elements like niobium or lanthanum to enhance properties; alternative materials include barium titanate or lead-free compositions like potassium sodium niobate (KNN) for environmental compliance. Electrodes are typically silver, nickel, or platinum applied via screen printing or sputtering.
Technical Parameters
  • Thickness 0.1-1.0 mm
  • Curie Temperature 150-350°C
  • Dielectric Constant 1000-4000
  • Resonance Frequency 1-100 kHz
  • Displacement per Layer 0.1-1.0 μm
  • Maximum Operating Voltage 50-200 V
  • Piezoelectric Coefficient (d33) 300-600 pC/N
Standards
ISO 17561, DIN EN 50324

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Piezoelectric Ceramic Layer.

piezoelectric ceramic layer PZT piezoelectric actuator sensor component industrial transducer precision displacement lead zirconate titanate Piezoelectric Ceramic Layer in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Piezoelectric Stack

A multi-layer assembly of piezoelectric ceramic elements that generates precise linear displacement when voltage is applied.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Depolarization under high electric fields
  • Mechanical cracking due to tensile stress
  • Aging effects reducing performance over time
  • Thermal runaway in high-frequency operations
FMEA Triads
Trigger: Excessive voltage application
Failure: Dielectric breakdown or depolarization
Mitigation: Implement voltage limiters and regular calibration
Trigger: Mechanical overloading
Failure: Crack propagation leading to layer fracture
Mitigation: Design with stress relief features and use protective housings
Trigger: Moisture ingress
Failure: Corrosion of electrodes and reduced insulation resistance
Mitigation: Apply conformal coatings and seal interfaces

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% on thickness and piezoelectric coefficients, per ISO 17561 standards
Test Method
Laser interferometry for displacement measurement, impedance analysis for electrical properties, and thermal cycling tests for reliability

Buyer Feedback

★★★★☆ 4.7 / 5.0 (11 reviews)

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Piezoelectric Ceramic Layer meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Piezoelectric Ceramic Layer arrived with full certification."

"Great transparency on the Piezoelectric Ceramic Layer components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

Related Components

Main Processor
Central processing unit for industrial IoT gateways enabling real-time data processing and communication in manufacturing environments.
Memory Module
Memory module for Industrial IoT Gateway data storage and processing
Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.

Frequently Asked Questions

What is the primary function of a piezoelectric ceramic layer?

It converts electrical energy into mechanical motion (actuation) or mechanical stress into electrical signals (sensing), enabling precise control in applications like micro-positioning and vibration detection.

How does temperature affect piezoelectric ceramic layer performance?

Performance degrades near the Curie temperature, where the material loses piezoelectricity; operating below this threshold is critical, and thermal management is often required in high-power applications.

Can piezoelectric ceramic layers be used in harsh environments?

Yes, with proper encapsulation against moisture and chemicals, and selection of materials with high mechanical strength and temperature stability, such as doped PZT ceramics.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Piezoelectric Ceramic Layer

Piezoelectric Ceramic Disc Piezoelectric Element