Through wet chemical synthesis, ultrafine PZT powder can be obtained with high-purity, uniform grain size and precise control of composition.
通过湿化学法合成PZT陶瓷微粉可实现粉料的高纯、超细、粒度均匀及化学成分的精确控制。
The results show that the corrosion property of 5052 aluminium alloy with ultrafine-grained surface improves. The average corrosion rate is linearly related to surface grain size.
结果表明，5052铝合金表面晶粒超细化后抗蚀性能提高，其平均腐蚀速率与表面晶粒尺寸呈线性关系。
Ultrafine-grained 2J4 hysteresis alloy processed by equal-channel angular process(ECAP), has the average grain size approximate 0.
利用等通道弯曲挤压的方法得到的晶粒平均尺寸大约为0。
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