Optimization of effective parameters on oxidation resistance of ZrB2 ceramics

Document Type : Original Articles

Authors

• zohre balak ¹
• mahdi azizieh ¹
• Hosein Kafashan ²

¹ islamic azad university, ahvaz,branch

² Islamic Azad University, Ahvaz, Iran

10.22067/ma.v31i1.63544

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

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