Effect of Starting Powders on the Sintering Behavior and Microstructure of Sr_(0.4)Ba_(0.6)Nb_2O_6 Ceramics
Source abstract
Abstract
The sintering behaviors and microstructures of reaction-sintered Sr0.4Ba0.6Nb2O6 (RSBN40) using mixture of SrNb2O6 and BaNb2O6 as the starting powders were compared with that of normal sintered Sr0.4Ba0.6Nb2O6 (SBN40) with single-phase Sr0.4Ba0.6Nb2O6 powders as starting powders. The experimental results show that the densification rate of SBN40 is faster than that of RSBN40. Densities of samples SBN40 and RSBN40 reach the maximum, 5.21 and 5.27g·cm-3 at 1250 and 1300℃, respectively. In addition, abnormal grain growth occurs more easily in sample SBN40 than in sample RSBN40 at the sintering temperatures above 1300℃.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Ferroelectric and Piezoelectric Materials · Advanced materials and composites
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