SINTERING BEHAVIOR, MICROSTRUCTURE AND PROPERTIES OF FINE SILICON NITRIDE CERAMICS

机译：细氮化硅陶瓷的烧结行为，显微组织和性能

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Fine "in situ" reinforced Si_3N_4 materials with improved thermal and mechanical properties were produced by hot pressing with the addition of Y_2O_3+La_2O_3 as sintering aids. Si_3N_4-SiC nanocomposites were obtained by the addition of 30 wt% of ultrafine Si/C/N powders to silicon nitride powder.rnThe influence of the amount of sintering aids and of the powder processing methods was evaluated. Densification behaviour, microstructure, thermal and mechanical properties were related to the starting composition and to the microstructural characteristics.

机译：通过热压并添加Y_2O_3 + La_2O_3作为烧结助剂，生产出具有改善的热性能和机械性能的细“原位”增强Si_3N_4材料。通过向氮化硅粉末中加入30 wt％的超细Si / C / N粉末获得Si_3N_4-SiC纳米复合材料。评价了烧结助剂用量和粉末加工方法的影响。致密化行为，微观结构，热和机械性能与起始组成和微观结构特征有关。

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来源
《Ceramic microstructures : Control at the atomic level》|1996年|263-275|共13页
会议地点 Berkeley CA(US)
作者
Alida Bellosi; Frederic Monteverde; Cesare Melandri; Stefano Guicciardi;
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作者单位

CNR - IRTEC, Research Institute for Ceramics Technology Via Granarolo 64 - 48018 Faenza (Italy);

CNR - IRTEC, Research Institute for Ceramics Technology Via Granarolo 64 - 48018 Faenza (Italy);

CNR - IRTEC, Research Institute for Ceramics Technology Via Granarolo 64 - 48018 Faenza (Italy);

CNR - IRTEC, Research Institute for Ceramics Technology Via Granarolo 64 - 48018 Faenza (Italy);

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原文格式 PDF
正文语种 eng
中图分类 TQ174.01;
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机译：用稀土氧化物烧结的氮化硅的设计，微观结构和高温行为。

SINTERING BEHAVIOR, MICROSTRUCTURE AND PROPERTIES OF FINE SILICON NITRIDE CERAMICS

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