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[1]吕柳明,董琦,陈云富,等.热压制备TiCx/SiC复合材料的微观结构及力学性能[J].浙江理工大学学报,2025,53-54(自科六):743-752.
　LÜ Liuming,DONG Qi,CHEN Yunfu,et al.Microstructure and mechanical properties of TiCx/SiC composites prepared by hot pressing[J].Journal of Zhejiang Sci-Tech University,2025,53-54(自科六):743-752.
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热压制备TiCx/SiC复合材料的微观结构及力学性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第53-54卷
期数:
2025年自科第六期
页码:
743-752
栏目:
出版日期:
2025-11-10

文章信息/Info

Title:
Microstructure and mechanical properties of TiCx/SiC composites prepared by hot pressing
文章编号:
1673-3851(2025)11-0743-10
作者:
吕柳明; 董琦; 陈云富; 李浩林
1.浙江理工大学材料科学与工程学院,杭州310018;2.浙江工业大学教育学院,杭州310014
Author(s):
LÜ Liuming;  DONG Qi;  CHEN Yunfu;  LI Haolin
1. School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China;
2. College of Education, Zhejiang University of Technology, Hangzhou 310014, China
关键词:
SiC陶瓷; 原位TiCx; 烧结温度; 力学性能; 烧结机理
分类号:
TB383
文献标志码:
A
摘要:
为了提升SiC陶瓷的强韧性,采用Ti3AlC2 层状陶瓷颗粒作为前驱体原料,将其与SiC粉体混合,并通过热压烧结工艺,原位引入一种具有特殊结构、尺寸以及表面润湿特性的第二相陶瓷增强体TiCx。探究不同烧结温度(1550~1950℃)对复合材料致密度、物相分布、微观组织及力学行为的影响,优化制备工艺并筛选出具备组织结构和力学性能最优的TiCx/SiC复合材料。结果表明:烧结温度为1850℃的样品综合力学性能最佳,其抗弯强度、断裂韧性及维氏硬度分别高达575.67MPa、8.83MPa·m1/2 和28.59GPa。复合材料的烧结机理及强韧化机制与多种因素密切相关,包括Ti3AlC2 特殊结构在不同温度下的分解状态,原位自生 TiCx 的弥散,单质 Al的扩散、转化和逃逸等。该研究对改进陶瓷及其复合材料的固相烧结方法以及拓宽SiC材料的工程应用具有借鉴和指导意义。

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备注/Memo

备注/Memo:
收稿日期:2025-02-20 网络出版日期:2025-04-29基金项目:浙江省自然科学基金项目(LQ23E020008);浙江理工大学科研启动基金项目(22212153-Y)作者简介:吕柳明(1999— ),男,浙江丽水人,硕士研究生,主要从事先进陶瓷及其复合材料方面的研究。通信作者:李浩林,E-mail:haolinli@zstu.edu.cn
更新日期/Last Update: 2025-11-21