A Review Study of the Microstructural Behavior and Mechanical Properties of ZrB2 Ultra-High Temperature Ceramic

Ultra high temperature ceramics are known for their good wear resistance, good oxidation resistance, high mechanical strength, extreme hardness, high thermal conductivity & good fracture toughness properties. These characteristics of ultra-high temperature ceramics made them ideal for high temperature applications. Therefore, ultra-high temperature ceramics are mostly used in aerospace application, thermal protection systems and for making sharp leading edges or nose tips in hypersonic re-entry vehicles. So, this paper reviews changes in microstructural behavior of ZrB2& ZrB2 based composites & their effects on mechanical strength, Flexural strength & oxidation resistance.