1) grain orientation techniques
晶粒定向技术
1.
Several basic scientific issues related to multi-layer piezoelectric ceramics,including lead-free piezoelectric ceramics,high-Curie piezoelectric ceramics,grain orientation techniques,as well as hysteresis and fatigue of multi-layer piezoelectric ceramics are discussed in this paper.
本文概述了多层压电陶瓷的几个基础科学问题,包括:无铅压电陶瓷材料、高温压电陶瓷材料、晶粒定向技术以及多层压电陶瓷常见的迟滞、疲劳等问题,并总结了各个方面的研究现状和发展前景。
2) screen-printing grain oriented technique
丝网印刷晶粒定向技术
3) crystal orientation technology
晶体定向技术
4) grain orientation
晶粒定向
1.
It is proved that the electrostatic effect induced by polar crystallites on the grain orientation is an important impetus for the isothermal orientating crystallization process.
Halliyal和R櫣ｓｓｅｌ认为 ,极性微晶玻璃的晶粒定向生长是由于高温梯度场驱动的。
2.
Randomly orientated ceramics grains were aligned along a certain direction and piezoelectric properties can be greatly enhanced without changing the Curie temperature after grain orientation.
压电陶瓷晶粒定向技术是利用压电材料性能各向异性的特点,将无规则取向的陶瓷晶粒定向排列,能够在不改变材料居里点的前提下大幅度提高陶瓷的压电性能。
5) directional technology
定向技术
1.
Using directional technology, the ground pre-grouting holes were bored into the goal strata along the "S" track to give room for freezing holes boring.
利用定向技术使得地面预注浆钻孔沿“S”形轨迹进入注浆目的层,让出井盘空间施工冻结钻孔,并应用高精度测斜技术和定向技术,使得冻结钻孔有效避开注浆套管,从而实现地面预注浆与冻结造孔工程完全平行作业,缩短建井准备工期。
6) grain refinement technology
晶粒细化技术
1.
The current research status on the grain refinement technology of zirconium free case magnesium alloys and zirconium containing cast magnesium alloys are reviewed from the aspects of grain refinement methods and theories of grain refinement.
从晶粒细化方法和晶粒细化机理两个方面总结了不含锆铸造镁合金和含锆铸造镁合金晶粒细化技术的研究进展 ,并指出新型高效晶粒细化剂的开发和晶粒细化机理的研究是镁合金晶粒细化技术研究的重点。
补充资料：晶粒
grain：多晶体金属材料内的每个晶体，由于它们在形核后的长大过程中都受到相邻的、也在长大着的晶体的妨碍，以致都不能在三维空间自由地长大，所以最后长到相互接触时都没有规则的外形，故称晶粒。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条