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Requirements for the transfer of lead-free piezoceramics into application

Koruza, Jurij and Bell, Andrew J. and Frömling, Till and Webber, Kyle G. and Wang, Ke and Rödel, Jürgen (2018):
Requirements for the transfer of lead-free piezoceramics into application.
In: Journal of Materiomics, Elsevier, pp. 13-26, 4, DOI: 10.1016/j.jmat.2018.02.001, [Online-Edition: https://doi.org/10.1016/j.jmat.2018.02.001],
[Article]

Abstract

The recent review for the Restriction of Hazardous Substances Directive (RoHS) by the expert committee, appointed by the European Union, stated that the replacement of PZT “… may be scientifically and technologically practical to a certain degree…”, although replacement “…is scientifically and technically still impractical in the majority of applications.” Thus, two decades of sustained research and development may be approaching fruition, at first limited to a minority of applications. Therefore, it is of paramount importance to assess the viability of lead-free piezoceramics over a broad range of application-relevant properties. These are identified and discussed in turn: 1. Cost, 2. Reproducibility, 3.Mechanical and Thermal Properties, 4. Electrical Conductivity, and 5. Lifetime. It is suggested that the worldwide efforts into the development of lead-free piezoceramics now require a broader perspective to bring the work to the next stage of development by supporting implementation into real devices. Guidelines about pertinent research requirements into a wide range of secondary properties, measurement techniques, and salient literature are provided.

Item Type: Article
Erschienen: 2018
Creators: Koruza, Jurij and Bell, Andrew J. and Frömling, Till and Webber, Kyle G. and Wang, Ke and Rödel, Jürgen
Title: Requirements for the transfer of lead-free piezoceramics into application
Language: English
Abstract:

The recent review for the Restriction of Hazardous Substances Directive (RoHS) by the expert committee, appointed by the European Union, stated that the replacement of PZT “… may be scientifically and technologically practical to a certain degree…”, although replacement “…is scientifically and technically still impractical in the majority of applications.” Thus, two decades of sustained research and development may be approaching fruition, at first limited to a minority of applications. Therefore, it is of paramount importance to assess the viability of lead-free piezoceramics over a broad range of application-relevant properties. These are identified and discussed in turn: 1. Cost, 2. Reproducibility, 3.Mechanical and Thermal Properties, 4. Electrical Conductivity, and 5. Lifetime. It is suggested that the worldwide efforts into the development of lead-free piezoceramics now require a broader perspective to bring the work to the next stage of development by supporting implementation into real devices. Guidelines about pertinent research requirements into a wide range of secondary properties, measurement techniques, and salient literature are provided.

Journal or Publication Title: Journal of Materiomics
Volume: 4
Publisher: Elsevier
Uncontrolled Keywords: Piezoceramics Ferroelectrics Lead-free Application Actuators Sensors
Divisions: 11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences
Date Deposited: 19 Mar 2018 08:11
DOI: 10.1016/j.jmat.2018.02.001
Official URL: https://doi.org/10.1016/j.jmat.2018.02.001
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