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首页> 外文期刊>Journal of Materials Research >Effective grain alignment in bismuth titanate ceramic by centrifugal force
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Effective grain alignment in bismuth titanate ceramic by centrifugal force

机译：钛酸铋陶瓷在离心作用下的有效晶粒取向

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摘要

Effective grain alignment in bismuth titanate ceramic was successfully realized by a novel pressure sintering technology, centrifugal sintering, in which centrifugal force is introduced by high-speed rotation of materials during the process of sintering. X-ray diffraction analyses indicated a very high orientation degree with a Lotgering factor f of similar to 0.96 in centrifugal sintered samples. Scanning electron micrographs revealed that the platelike grains are well oriented with their c axes parallel to centrifugal force. The mechanism responsible for grain alignment with introduction of centrifugal force was tentatively proposed.
机译：通过一种新型的压力烧结技术，即离心烧结，成功地实现了钛酸铋铋陶瓷的有效晶粒排列，该技术通过在烧结过程中材料的高速旋转来引入离心力。 X射线衍射分析表明，在离心烧结样品中，取向度非常高，其Lotgering因子f接近0.96。扫描电子显微镜照片显示，板状晶粒取向良好，其c轴平行于离心力。初步提出了利用离心力引入晶粒取向的机理。

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