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"Ultrahigh electrostrictive strain and its response to mechanical loadi" by Qinghu Guo, Xiangyu Meng et al.

Electrostrictive materials play an important role in the development of high precision actuators, due to the advantages of high resolution, low power dissipation and fast response time. However, the practical application of electrostrictive materials has been hindered by their limited displacement output. To address this, we conducted a study where we doped Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) ceramics with Nd2O3, aiming to significantly improve the electrostrictive effect by enhancing local structural heterogeneities that disrupt the formation of long-range ordered ferroelectric domains. We obtained an optimized electrostrictive strain of 0.231 % with negligible hysteresis at an electric field of 50 kV/cm in 4 %Nd-doped PMN-PT ceramic, surpassing the performance of state-of-the-art lead-based electrostrictive ceramics. Of particular significance is that a high electrostrictive coefficients M33 = 12.2 × 10−16 m2/V2, together with a high mechanical work density of 0.035 J/cm3 and a low p ....

Ocal Structural Heterogeneity , Elaxor Ferroelectric ,

New Belimo Retrofit Program Designed to Boost Efficiency

RetroFIT+ is the next iteration of the Belimo retrofit program, which offers online resources, including a product-selection tool, as well as personal support to provide quick and easy access to HVAC replacement solutions for actuators, valves, and sensors. ....

Daniel Caldwell , Energy Valve , Belimo Energy Valve , Belimo Room , Room Sensors , Retrofitting And Hvacr , Sensor Technology For Hvacr , Energy Efficiency ,