Oxidation Kinetics of ZrB2-SiC Composites

Ting Yan Tian; Chang Ling Zhou; Feng Sun; Zhi Qiang Cheng; Chong Hai Wang; Yu Jun Zhang

doi:10.4028/www.scientific.net/KEM.368-372.1750

Paper Titles

Microstructure and Mechanical Properties of ZrB₂-Based UHTC via Reactive Hot Pressing
p.1737

Effect of the Rare Earth Oxides on Sintering Behavior and Microstructure of ZrB₂-SiC Ceramics
p.1740

Microstructure of ZrB₂–SiC Composite Fabricated by Spark Plasma Sintering
p.1743

Pressureless Sintering of Ultra-High Temperature ZrB₂-SiC Ceramics
p.1746

Oxidation Kinetics of ZrB₂-SiC Composites
p.1750

Oxidation of Short Carbon Fiber Reinforced ZrB₂-SiC Ceramics under Atmospheric and Oxyacetylene Torch Conditions
p.1753

Preparation and Characterization of Stable ZrB₂-Based Ultra-High Temperature Ceramics Slurry by Aqueous Gelcasting
p.1756

Reactive Synthesis and Mechanical Properties of ZrB₂-SiC-ZrC Composites
p.1758

Properties and Microstructure of an HfB₂-HfC-SiC Ultra High Temperature Ceramics
p.1761

HomeKey Engineering MaterialsKey Engineering Materials Vols. 368-372Oxidation Kinetics of ZrB2-SiC Composites

Oxidation Kinetics of ZrB₂-SiC Composites

Abstract:

An oxidation kinetics model of hot-pressed ZrB2-SiC composites was established and then proved by experiments. The relationship between oxidation rate and temperature was attained by reaction activation energy and frequency factor at the different oxidation stages. Results showed that the relations between the oxidation gain of unit area and the oxidation time are linear, conic and parabolic, respectively, during the stage of the oxidation prophase, midterm and anaphase.