IEEE Std 1859-2017 pdf download – IEEE Standard for Relaxor-Based Single Crystals for Transducer and Actuator Applications

02-25-2022 comment

IEEE Std 1859-2017 pdf download – IEEE Standard for Relaxor-Based Single Crystals for Transducer and Actuator Applications.
coupling factor (k): A property that measures the ability of a poled piezoelectric material to convert electrical to mechanical energy or mechanical to electrical energy. free relative permittivity (K 33 T ): The real part of the complex relative permittivity under constant stress conditions. See also: complex relative permittivity. NOTE 1—The superscript index T indicates that the measurement is under constant stress conditions. See 6.2 of ANSI/ IEEE Std 176-1987. NOTE 2—See 4.4 for the sets of crystallographic reference axis for the subscript indices determination with respect to the poling direction. The subscript indices indicate the crystallographic orientation in which the measurement is made. See ANSI/IEEE Std 176-1987. NOTE 3—See ANSI/IEEE Std 176-1987 for the general measurement method of K T . See 4.10.1 for measurement details specifc to this standard. lead magnesium niobate–lead titanate (PMN-PT, or PMNT): The solid solution of lead magnesium niobate and lead titanate having a chemical composition of (1−x)Pb(Mg 1/3 Nb 2/3 )O 3 −xPbTiO 3 , where x ranges from 0 to 1. lead zinc niobate–lead titanate (PZN-PT, or PZNT): The solid solution of lead zinc niobate and lead titanate having a chemical composition of (1−x)Pb(Zn 1/3 Nb 2/3 )O 3 −xPbTiO 3 , where x ranges from 0 to 1.
small signal longitudinally poled length extensional elastic compliance at constant electric displacement (s 33 D ): The elastic compliance at constant electric displacement of a poled crystal measured in the direction of polarization when a small alternating current electric feld is applied in the direction of polarization. It is equivalent to the longitudinally poled length extensional open circuit elastic compliance. NOTE 1—The superscript index D indicates that the measurement is under constant electric displacement conditions. See 6.2 of ANSI/IEEE Std 176-1987. NOTE 2—See 4.4 for the sets of crystallographic reference axis for the subscript indices determination with respect to the poling direction. The subscript indices indicate the crystallographic orientation in which the measurement is made. See ANSI/IEEE Std 176-1987. NOTE 3—See ANSI/IEEE Std 176-1987 for the measurement method. small signal longitudinally poled length extensional coupling factor (k 33 ): The coupling factor of an end- electroded bar (see Figure 2) excited along the polarization direction using a small alternating current electric feld. See also: coupling factor. NOTE 1—The subscript indices indicate the crystallographic orientation in which the measurement is made. See ANSI/ IEEE Std 176-1987. NOTE 2—See 4.4 for the sets of crystallographic reference axis for the subscript indices determination with respect to the poling direction.

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