DESIGN, MANUFACTURING AND IMPROVE LEAD-FREE PIEZOELECTRIC (K0.5NA0.5) NBO3 USED IN ULTRASONIC UNDERWATER TRANSDUCERS

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TAGHINASAB MOHAMMADHASSAN; SAFAEYAN OMID; KHEZRI MOHAMMAD REZA

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Journal: IRANIAN JOURNAL OF MARINE TECHNOLOGY Year:2015 | Volume:2 | Issue:1 Page(s): 13-19

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Title

DESIGN, MANUFACTURING AND IMPROVE LEAD-FREE PIEZOELECTRIC (K0.5NA0.5) NBO3 USED IN ULTRASONIC UNDERWATER TRANSDUCERS

Author(s)

TAGHINASAB MOHAMMADHASSAN | SAFAEYAN OMID | KHEZRI MOHAMMAD REZA | Issue Writer Certificate

Keywords

PIEZOCERAMICQ2

POTASSIUM-SODIUM NIOBATEQ2

POWDER SYNTHESISQ2

SINTERINGQ2

Abstract

Due to excellent piezoelectric properties, lead-based ferroelectric materials and more particularly the Pb (Zr, Ti) O3 (PZT) are widely used in actuators, sensors and transducers. However, these ceramics contain more than 60% PbO. With regard to the toxicity of lead, many efforts have been made to develop environmentally friendly and non-hazardous materials. In the present work, POTASSIUM-SODIUM NIOBATE (KNN) ceramics as the most important family of lead-free PIEZOCERAMICs were fabricated by mechanical-Alloying reaction route and the synthesis and SINTERING processes as well as electrical properties of these ceramics were investigated. Characterization of synthesized powders by XRD, SEM revealed that calcination of raw materials at 850oC leads to a homogeneous and single-phase KNN powders. At optimum SINTERING temperature of 1000oC, the desirable values of 643, 140pC/N and 0.01 were obtained for dielectric constant (er), piezoelectric charge coefficient (d33) and loss factor, respectively.

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APA: Copy

TAGHINASAB, MOHAMMADHASSAN, SAFAEYAN, OMID, & KHEZRI, MOHAMMAD REZA. (2015). DESIGN, MANUFACTURING AND IMPROVE LEAD-FREE PIEZOELECTRIC (K0.5NA0.5) NBO3 USED IN ULTRASONIC UNDERWATER TRANSDUCERS. IRANIAN JOURNAL OF MARINE TECHNOLOGY, 2(1), 13-19. SID. https://sid.ir/paper/251916/en

Vancouver: Copy

TAGHINASAB MOHAMMADHASSAN, SAFAEYAN OMID, KHEZRI MOHAMMAD REZA. DESIGN, MANUFACTURING AND IMPROVE LEAD-FREE PIEZOELECTRIC (K0.5NA0.5) NBO3 USED IN ULTRASONIC UNDERWATER TRANSDUCERS. IRANIAN JOURNAL OF MARINE TECHNOLOGY[Internet]. 2015;2(1):13-19. Available from: https://sid.ir/paper/251916/en

IEEE: Copy

MOHAMMADHASSAN TAGHINASAB, OMID SAFAEYAN, and MOHAMMAD REZA KHEZRI, “DESIGN, MANUFACTURING AND IMPROVE LEAD-FREE PIEZOELECTRIC (K0.5NA0.5) NBO3 USED IN ULTRASONIC UNDERWATER TRANSDUCERS,” IRANIAN JOURNAL OF MARINE TECHNOLOGY, vol. 2, no. 1, pp. 13–19, 2015, [Online]. Available: https://sid.ir/paper/251916/en

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