電伸縮現象 的英文怎麼說
中文拼音 [diànshēnsuōxiànxiàng]
電伸縮現象
英文
electrostriction-
In general, polycrystal or twin magnetostrictive materials are used as the drive unit in micro - displacement actuator. however, the displacement output of the actuator under low magnetic field is small and its precision is limited, as a result of motion restriction of magnetic domain walls by grain boundaries in polycrystal or twin magnetostrictve materials
磁致伸縮是一種磁?機械耦合現象,以tb - dy - fe為代表的稀土超磁致伸縮材料,其伸縮量為普通壓電陶瓷的30 - 50倍,響應時間低於10 . 6秒,是理想的位移致動材料。
分享友人