硅酸盐通报 ›› 2026, Vol. 45 ›› Issue (6): 2104-2112.DOI: 10.16552/j.cnki.issn1001-1625.2025.1200
张宏佳1(
), 冯晋阳1(
), 程凯新1, 张强1, 郝小勇2
收稿日期:2025-12-01
修订日期:2026-01-26
出版日期:2026-06-15
发布日期:2026-07-14
通信作者:
冯晋阳,博士,副研究员。E-mail:fjy@whut.edu.cn作者简介:张宏佳(1990—),男,硕士研究生。主要从事复合陶瓷材料方面的研究。E-mail:982922328@qq.com
基金资助:
ZHANG Hongjia1(
), FENG Jinyang1(
), CHENG Kaixin1, ZHANG Qiang1, HAO Xiaoyong2
Received:2025-12-01
Revised:2026-01-26
Published:2026-06-15
Online:2026-07-14
摘要:
氧化钇稳定氧化锆(YSZ)陶瓷因高强度、耐高温和生物相容性优异而成为机械、电子等领域的重要材料,但其烧结温度过高导致能耗与成本攀升,在保证性能前提下降低烧结温度已成为当前研究的热点。本文采取常压烧结法在不同烧结温度下制备了不同TiO2掺量的YSZ陶瓷,系统研究了在不同烧结温度下TiO2掺量对YSZ陶瓷致密性、相组成和力学性能的影响。结果表明,TiO2的掺入可以降低YSZ陶瓷的烧结温度,促进晶粒生长和烧结致密化,有利于四方相氧化锆的稳定。在较低烧结温度(1 350、1 400 ℃)时,YSZ陶瓷的抗折强度随TiO2掺量(0.5%~0.7%,摩尔分数)的提高呈先降低后增强趋势,7.0%TiO2掺量的YSZ陶瓷的抗折强度最高,分别为530.4和576.3 MPa。在较高烧结温度(1 450、1 500 ℃)时,微量TiO2(0.5%~1.0%)的掺入可提高YSZ陶瓷的抗折强度,而随着TiO2掺量的提高,YSZ陶瓷的抗折强度总体呈逐渐下降的趋势。其中1 450 ℃下1.0% TiO2掺量的YSZ陶瓷抗折强度为660.7 MPa,1 500 ℃下0.5% TiO2掺量的YSZ陶瓷抗折强度为633.1 MPa。
中图分类号:
张宏佳, 冯晋阳, 程凯新, 张强, 郝小勇. 不同烧结温度下TiO2掺杂对YSZ陶瓷强度的影响[J]. 硅酸盐通报, 2026, 45(6): 2104-2112.
ZHANG Hongjia, FENG Jinyang, CHENG Kaixin, ZHANG Qiang, HAO Xiaoyong. Effect of TiO2 Doping on Strength of YSZ Ceramics at Different Sintering Temperatures[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2026, 45(6): 2104-2112.
图5 不同烧结温度下不同TiO2掺量的TiO2-YSZ陶瓷XRD局部放大谱
Fig.5 Local magnified XRD patterns of TiO2-YSZ ceramics with different TiO2 content at different sintering temperatures
图6 不同烧结温度下不同TiO2掺量的TiO2-YSZ陶瓷的断面形貌SEM照片
Fig.6 SEM images of cross-sectional morphology of TiO2-YSZ ceramics with different TiO2 content at different sintering temperatures
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