4y

Rapid sintering of nanocrystalline zro_2 ( 4y ) powder under high pressure

纳米ZrO2（4Y）的快速高压烧结研究

Influences of High Gravity on Al_2O_3 / ZrO_2 ( 4Y ) Prepared by Combustion Synthesis

超重力对燃烧合成Al2O3/ZrO2（4Y）的影响

Practice of Change-pole Winding by 3Y / 4Y Phase Changing Method

3Y/4Y换相法变极绕组的实际应用

Characterization and Preparation of Nanometer ZrO_2 ( 4Y ) Powder by Precursor Solid Phase Reaction

前驱体固相法制备纳米ZrO2（4Y）粉体

Large bulk solidified Al_2O_3 / ZrO_2 ( 4Y ) prepared by combustion synthesis under high gravity

超重力下燃烧合成大体积凝固态Al2O3/ZrO2（4Y）研究

Study of Laser Clad Ni-base Alloy / ZrO_2 ( 4Y ) Ceramic Layer on the Surface of 45 Steel

钢表面激光熔覆Ni基ZrO2（4Y）陶瓷层的研究

Composition , microstructures and mechanical properties of ZrO_2 ( 4Y ) / Al_2O_3 prepared by combustion synthesis under high gravity

超重力下燃烧合成ZrO2（4Y）/Al2O3的成分、显微组织与力学性能

The color of ZrO 2 ( 4Y ) is brown , dark gray and black .

高压快速烧结ZrO2（4Y）陶瓷为棕色、深灰色或黑色。

Microstructures , Strengthening and Toughening Mechanisms of Al_2O_3 / ZrO_2 ( 4Y ) Composites Prepared by Combustion Synthesis

燃烧合成Al2O3／ZrO2（4Y）复合陶瓷显微结构与强韧化机理

The Densification and Conductivity of Nano ZrO_2 ( 4Y ) by Airpressure Sintering Using Continuous Compacting

纳米ZrO2（4Y）两次成型常压烧结致密特性及其电导率

Simulation results of a three phase and a twelve phase ( 4Y shifting 15 degrees ) synchronous motors are given , and a comparison between both of them is made .

给出了三相和十二相（4Y移15o）同步电动机的仿真结果，并对两者进行了比较。

N this paper the microstructure and hardness of laser clad Ni-base / ZrO_2 ( 4Y ) ceramic layer on the surface of 45 steel are examined by SEM 、 EDAX 、 XRD and microdurometer .

本文用SEM、EDAX、XRD和显微硬度计分析了45钢表面激光熔覆Ni基ZrO2（4Y）陶瓷层的组织结构与性能。

A number of low energy interface in a nano-micron scale distance between Al_2O_3 / ZrO_2 ( 4Y ) and compressive residual stress in the sapphires results in the reinforcement of the rod-shaped sapphires and ceramics matrix , which exerts the crack to propagate along the rod-shaped sapphires .

分布于蓝宝石棒晶上大量的面间距为纳微米尺度的Al2O3/ZrO2两相低能界面及残余压应力，使蓝宝石棒晶与陶瓷基体得以强化，迫使裂纹沿蓝宝石棒晶边界偏转；