The mechanical properties and oxidation resistance of the Al₂O₃-C refractories are of critical importance for iron and steel making processes. However, the evaporation of antioxidants related phases such as Al(g), Si(g), and SiO(g) would deteriorate these properties, especially during high-temperature treatment/application. Therefore, in the present work, a small amount of Ti₃AlC₂ compared with Al was introduced to overcome these problems. The phase compositions, microstructures, mechanical properties, and oxidation resistance of Ti₃AlC₂ containing refractories were investigated. The partial oxidation of Ti₃AlC₂ led to inherited lamellar structures such as Ti₃Al_1-xC₂, TiC, and granular Al₂TiO₅ phases. The controlled oxidation of Ti₃AlC₂ and its volume expansion contributed to the compact-structure, thereby limiting the escape of Si and SiO vapors at high temperatures. Consequently, the mechanical properties and oxidation resistance of Ti₃AlC₂ containing Al₂O₃-C refractories treated at 1600 ℃ were improved.

Al ₂ O ₃ -C耐火材料的机械性能和抗氧化性对钢铁制造工艺至关重要。但是，与抗氧化剂相关的相（如Al（g），Si（g）和SiO（g））的蒸发会降低这些性能，尤其是在高温处理/应用过程中。因此，在本工作中，引入了与Al相比少量的Ti ₃ AlC ₂来克服这些问题。研究了含Ti ₃ AlC ₂的耐火材料的相组成，显微组织，力学性能和抗氧化性。Ti ₃ AlC ₂的部分氧化导致了继承的层状结构，例如Ti ₃ Al _1-x C ₂，TiC和颗粒状的Al ₂ TiO ₅相。Ti ₃ AlC ₂的受控氧化及其体积膨胀有助于结构紧凑，从而限制了高温下Si和SiO蒸气的逸出。因此，改善了在1600℃下处理的含Al ₂ O ₃ -C耐火材料的Ti ₃ AlC ₂的力学性能和抗氧化性。