| 简介 |
Method for producing a piezoceramic, comprising a piezoceramic Phase 1-a having the general empirical formula Pb (Ni 1/3 Nb2/3) Dc Zrx Ti y 3 O z, wherein -D at least an alkaline earth metal with a alkaline earth metal portion is c and -a 0, 0.9 ≤ (x + y+ z) ≤ 1, 1, x > 0, > 0 and > 0 are z y, and-the piezoceramic the piezoceramic phase with a phase fraction of over 99% by volume based on a solids content of the piezoceramic has, with the following method steps : a) mixing of oxidic starting compounds with lead, rare earth metal, alkaline earth metal, zirconium, titanium, nickel and niobium to a oxide mixture b) heat treatment of the oxide mixture, wherein 2 as the oxidic starting compound (Ni 2/3 1/3 Nb) O with nickel and is used as the oxidic starting compound with niobium. |
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