Aging behavior and electrical properties of low-temperature sintered (Ba, Ca)(Ti, Zr)O3-Ba(Cu, W)O3 ceramics and plate loudspeaker

Xiaolian Chao, Juanjuan Wang, Jun Pu, Shujun Zhang, Zupei Yang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Lead-free (1 - x)wt.% (Ba0.85Ca0.15)(Zr0.10Ti0.90)O3 - x wt.% (Ba(Cu0.5W0.5)O3 (BCZT - x wt.% BCW) piezoelectric ceramics were prepared by solid-state reaction. The phase structure of the ceramics showed that the orthorhombic-tetragonal phase boundary was identified in the range of 1.2 ≤ x ≤ 1.6 wt.%. The dense microstructure and optimal electrical properties of the ceramics were obtained at x = 1.2 wt.%. Fatigue behavior of the ceramics was also investigated as a function of temperature and keeping time, where the BCZT - 1.2 wt.% BCW materials were found to possess improved fatigue characteristic. In addition, the sound pressure level (SPL) of 16.0 mm length × 16.0 mm width × 0.1 mm piezoelectric loudspeakers using lead-free BCZT ceramics with 1.2 wt.% BCW content at drive voltage of 10-20 V was more than 80 dB at frequency of 2.2-20.0 kHz. These results indicated that the 98.8 wt.% BCZT - 1.2 wt.% BCW ceramics was potential for piezoelectric loudspeaker applications.

Original languageEnglish (US)
Pages (from-to)9-19
Number of pages11
JournalSensors and Actuators, A: Physical
Volume237
DOIs
StatePublished - Jan 1 2016

Fingerprint

Loudspeakers
loudspeakers
Electric properties
Lead
Aging of materials
electrical properties
Fatigue of materials
ceramics
Piezoelectric ceramics
Phase boundaries
Phase structure
Solid state reactions
Acoustic waves
Temperature
Microstructure
Electric potential
piezoelectric ceramics
sound pressure
solid state
microstructure

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

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title = "Aging behavior and electrical properties of low-temperature sintered (Ba, Ca)(Ti, Zr)O3-Ba(Cu, W)O3 ceramics and plate loudspeaker",
abstract = "Lead-free (1 - x)wt.{\%} (Ba0.85Ca0.15)(Zr0.10Ti0.90)O3 - x wt.{\%} (Ba(Cu0.5W0.5)O3 (BCZT - x wt.{\%} BCW) piezoelectric ceramics were prepared by solid-state reaction. The phase structure of the ceramics showed that the orthorhombic-tetragonal phase boundary was identified in the range of 1.2 ≤ x ≤ 1.6 wt.{\%}. The dense microstructure and optimal electrical properties of the ceramics were obtained at x = 1.2 wt.{\%}. Fatigue behavior of the ceramics was also investigated as a function of temperature and keeping time, where the BCZT - 1.2 wt.{\%} BCW materials were found to possess improved fatigue characteristic. In addition, the sound pressure level (SPL) of 16.0 mm length × 16.0 mm width × 0.1 mm piezoelectric loudspeakers using lead-free BCZT ceramics with 1.2 wt.{\%} BCW content at drive voltage of 10-20 V was more than 80 dB at frequency of 2.2-20.0 kHz. These results indicated that the 98.8 wt.{\%} BCZT - 1.2 wt.{\%} BCW ceramics was potential for piezoelectric loudspeaker applications.",
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Aging behavior and electrical properties of low-temperature sintered (Ba, Ca)(Ti, Zr)O3-Ba(Cu, W)O3 ceramics and plate loudspeaker. / Chao, Xiaolian; Wang, Juanjuan; Pu, Jun; Zhang, Shujun; Yang, Zupei.

In: Sensors and Actuators, A: Physical, Vol. 237, 01.01.2016, p. 9-19.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Aging behavior and electrical properties of low-temperature sintered (Ba, Ca)(Ti, Zr)O3-Ba(Cu, W)O3 ceramics and plate loudspeaker

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AU - Pu, Jun

AU - Zhang, Shujun

AU - Yang, Zupei

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