1) 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。
2) 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。
3) screen-printing grain oriented technique
丝网印刷晶粒定向技术
4) grain oriented growth mechanism
晶粒定向生长机理
1.
Using XRD and SEM, grain oriented growth mechanism of screen-printing tech.
利用XRD和SEM等手段探讨了丝网印刷工艺的晶粒定向生长机理,认为丝网印刷可获得极薄的颗粒层,层间存在间隙,各层内的颗粒由于在平行界面方向生长不受限制,使其该界面方向的晶粒尺寸大于其它方向,从而最终得到晶粒高度定向的陶瓷。
5) cold-rolled grain oriented silicon steel sheet
冷轧晶粒定向硅钢片
6) grain orientation
晶粒取向
1.
EBSD study of CVD-W grain orientation and grain boundary;
CVD-W晶粒取向和晶界结构的EBSD研究
2.
Analysis of the grain orientation and texture of friction stir welded magnesium alloy lap joints;
镁合金搅拌摩擦焊接头晶粒取向和织构分析
3.
Effect of nitrogen ion implantation on grain orientation in surface layer of 6061 aluminum;
离子注N对6061铝合金表层晶粒取向的影响
补充资料:Assembly晶粒封装
以树酯或陶瓷材料,将晶粒包在其中,以达到保护晶粒,隔绝环境污染的目的,而此一连串的加工过程,即称为晶粒封装(assembly)。封装的材料不同,其封装的作法亦不同,本公司几乎都是以树酯材料作晶粒的封装,制程包括:芯片切割→晶粒目检→晶粒上「架」(导线架,即lead frame)→焊线→模压封装→稳定烘烤(使树酯物性稳定)→切框、弯脚成型→脚沾锡→盖印→完成。以树酯为材料之ic,通常用于消费性产品,如计算机、计算器,而以陶瓷作封装材料之ic,属于高性赖度之组件,通常用于飞弹、火箭等较精密的产品上。
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