Results 31 to 40 of about 148,147 (298)
Bismuth ferrite-based lead free ceramics and multilayers with high recoverable energy density [PDF]
, 2018 Lead-free ceramics with high recoverable energy density (Wrec) and energy storage efficiency (η) are attractive for advanced pulsed power capacitors to enable greater miniaturization and integration.
Arnold +62 more
core +4 more sources
Impedance spectroscopy studies on lead free (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 ceramics [PDF]
Processing and Application of Ceramics, 2012 The AC complex impedance spectroscopy technique has been used to obtain the electrical parameters of polycrystalline sample of (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 in a wide frequency range at different temperatures.
Ahcène Chaouchi, Sadia Kennour
doaj
Doping effect of SrZrO3 on KNLN ceramics structure and their dielectric properties [PDF]
Journal of Advanced Dielectrics, 2018 In this work, lead-free systems; (1−x) (K0.465Na0.465Li0.07) NbO3–xSrZrO3 (x=0, 0.005, 0.050, 0.095 and 0.14) were synthesized by the conventional solid-state reaction technique.
Emad Ewais +3 more
doaj +1 more source
Fabrication of transparent lead-free KNN glass ceramics by incorporation method [PDF]
, 2012 The incorporation method was employed to produce potassium sodium niobate [KNN] (K0.5Na0.5NbO3) glass ceramics from the KNN-SiO2 system. This incorporation method combines a simple mixed-oxide technique for producing KNN powder and a conventional melt ...
Ploypailin Yongsiri +5 more
core +1 more source
Frontiers in Materials, 2021 Environment-friendly lead-free piezoelectric ceramics with great properties and high thermal stability are desired in the industry. In this work, the Sm3+-modified lead-free 0.915(K0.45Na0.5Li0.05)NbO3–0.075BaZrO3–0.01(Bi0.5Na0.5)TiO3 (KNLN-BZ-BNT ...
Yi Quan +9 more
doaj +1 more source
Ring-Type Rotary Ultrasonic Motor Using Lead-free Ceramics [PDF]
, 2015 Ultrasonic motors provide high torques and quick responses compared to their magnetic counterparts; therefore, they are widely used in small-scale applications such as mobile phones, microrobots, and auto-focusing modules in digital cameras. To determine
Gwon, Jung-Ho +9 more
core +1 more source
Journal of Asian Ceramic Societies, 2023 New lead-free (1-y)[0.995Bi0.5(Na0.80K0.20)0.5TiO3-0.005LiNbO3]-y[(Ba0.7Sr0.3)TiO3] or (1-y)[0.995BNKT-0.005LN]-y[BST] (where y = 0, 0.01, 0.02, 0.03, 0.04 and 0.05 mol fraction) ceramics were fabricated by a conventional sintering method with two ...
Pimpilai Wannasut +5 more
doaj +1 more source
Technology and Electrophysical Properties of the (K0.44Na0.52Li0.04) NbO3 Ceramics Doped by Cr3+, Zn2+, Sb3+ or Fe3+ [PDF]
Archives of Metallurgy and Materials, 2018 In the work five ceramic compounds based on the (K0.44Na0.52Li0.04)NbO3 (KNLN) material modified with oxides: Cr2O3, ZnO, Sb2O3 or Fe2O3 (in an amount of 0.5 mol.%) were obtained.
D. Bochenek +5 more
doaj +1 more source
Enhanced bipolar fatigue resistance in CaZrO3-modified (K,Na) NbO3 lead-free piezoceramics [PDF]
, 2014 The bipolar fatigue behavior of (K,Na) NbO3 (KNN)-based lead-free piezoceramics was investigated. A comparative analysis demonstrated that CaZrO3-modified KNN ceramics exhibited highly enhanced bipolar fatigue resistance due to the reduced lattice ...
Jo, Wook +5 more
core +1 more source
Temperature Stable and Fatigue Resistant lead-free ceramics for actuators [PDF]
, 2016 Lead-free ceramics with the composition 0.91K1/2Bi1/2TiO3–0.09(0.82BiFeO3-0.15NdFeO3-0.03Nd2/3TiO3) were prepared using a conventional solid state, mixed oxide route. The ceramics exhibited a high strain of 0.16% at 6 kV mm1, stable from room temperature
Acosta M. +9 more
core +1 more source