Optimization of effective parameters on oxidation resistance of ZrB2 ceramics

مهندسی متالورژی و مواد

Article 4, Volume 31, Issue 1 - Serial Number 21, March 2020, Pages 37-48   

Document Type: Original Articles

DOI: 10.22067/ma.v31i1.63544

Authors

zohre balak^{* 1}; mahdi azizieh¹; Hosein Kafashan²

¹islamic azad university, ahvaz,branch

²Islamic Azad University, Ahvaz, Iran

Abstract

In this research, the effective parameters on the oxidation of ZrB2 ceramics were investigated. Temperature, time and pressure in addition of different additives (SiC, Cf, MoSi2, HfB2 and ZrC) were investigated. Taguchi method was applied for experimental design. Oxidation test was conducted on box furnace at 1600 C for one hour. It was cleared that the HfB2 resulted to better oxidation resistance. At the presence of ZrC, oxidation resistance was damaged. SiC improves the oxidation resistance by borosilicate layer formation. Finally, among the SPS parameters, temperature is the most.

Keywords

ZrB2-SiC; Spark plasma sintering; oxidation resistance

Supplementary Files

4-balak - Revised.pdf

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