The Effect of Si3N4 on Microstructure, Mechanical Properties and Oxidation Resistance of HfB2-based Composite-Reference-Cited by-同舟云学术

The Effect of Si3N4 on Microstructure, Mechanical Properties and Oxidation Resistance of HfB2-based Composite

Published:2008-11-13 Issue:2 Volume:43 Page:113-123
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Ling Weng ¹,Xinghong Zhang ²,Jiecai Han ²,Wenbo Han ²

Affiliation:

1. College of Materials Science & Engineering, Harbin University of Science and Technology, Harbin 150040, P.R. China, Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150001, P.R. China,

2. Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150001, P.R. China

Abstract

HfB2—20vol% SiC composite was hot-pressed at 1900°C with silicon nitride (Si3N4) as sintering aid. Sinterability and mechanical properties were investigated and compared to the composite without the sintering aid. It was shown that the addition of Si3N 4 greatly improved the powder sinterability and enabled the production of nearly full dense composite. The flexural strength and fracture toughness were 590 MPa and 5.43 MPa m1/2, respectively. The oxidation resistance of composite doped with Si3N4 was evaluated by the oxyacetylene oxidation test and the oxidation mechanism was discussed.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998308098236

Reference16 articles.

1. Oxidation-based materials selection for 2000°C + hypersonic aerosurfaces: Theoretical considerations and historical experience

2. Scatteia, L., Borrelli, R. and Marino, G. (2005). AIAA/CIRA 13th International Space Planes and Hypersonics Systems and Technologies, pp. 3267-3272, Kyoto, Japan.

3. Effect of Fe and Cr Addition on the Sintering Behavior of ZrB2 Produced by Self-Propagating High-Temperature Synthesis

4. Pressureless Sintering of High-Density ZrB2?SiC Ceramic Composites

Cited by 12 articles. 订阅此论文施引文献订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献

1. A first-principles study of HfB₂ anisotropic surface stability and its oxygen adsorption behavior;Modelling and Simulation in Materials Science and Engineering;2024-05-07

2. Investigation on microstructure and mechanical properties of HfB2-SiC-HfC ternary system with different HfC content prepared by spark plasma sintering;International Journal of Refractory Metals and Hard Materials;2020-12

3. Thermal stability and optical properties of low emissivity multilayer coatings for energy-saving applications;Ceramics International;2020-04

4. Novel HfB2-SiC-MoSi2 composites by reactive spark plasma sintering;Journal of Alloys and Compounds;2019-11

5. EBSD Analysis for Orientation Relationship of Textured ZrB2-SiC Ultra-high Temperature Ceramics;Journal of Inorganic Materials;2018