The fracture behavior of unpoled and electrically poled Ka 0.5 Na 0.5 NbO 3 (KNN)-and Na
1/2 Bi 1/2 TiO 3 (NBT)-based lead-free piezoceramics were characterized using the Vicker's …

Relaxor‐ferroelectric materials find application in a broad range of technological devices,
including ultrasonic imaging transducers, nanopositioning, and high‐performance …

Ceramics, often exhibiting important functional properties like piezoelectricity,
superconductivity, and magnetism, are usually mechanically brittle at room temperature and …

The fracture toughness in the lead‐free relaxor ferroelectric (1− x)(Na1/2Bi1/2) TiO3–xBaTiO
3 was investigated utilizing the surface crack in flexure method. To allow a comprehensive …

Crack opening displacements were evaluated on semi‐elliptical indentation cracks in lead‐
free (1− x)(Na1/2Bi1/2) TiO3–xBaTiO 3 piezoceramics and a commercially available PZT …

Doping effects of CuO on the sintering behavior and electrical properties of 0.94 (Bi 0. 5 Na
0. 5) TiO3–0.06 (BaTiO 3)–x CuO (BNT–BT6–x Cu) lead-free piezoceramic obtained by the …

The mechanical properties of Mn-and Fe-doped Na0. 5Bi0. 5TiO3 ceramics in unpoled and
poled states were examined and analyzed for the first time through measurements of …

In this work, we report the influence of synthesis conditions on the (1− x) Na 0.5 Bi 0.5 TiO 3–
xBaTiO 3 (BNT–BT) system, obtained by the conventional solid-state reaction method with a …

A typic BLSF ceramics: bismuth titanate (Bi 4 Ti 3 O 12), whose failure mode, ferroelastic
behavior and toughening effect under uniaxial compression load were comprehensively …

Structural, microstructural, dielectric, ferroelectric and piezoelectric properties of the (0.95-x)
Bi 0.5 Na 0.5 TiO 3–0.05 BaTiO 3-xK 0.5 Na 0.5 NbO 3 (BNT-BT-KNN) lead-free ceramics …