In recent years, environmental pollution and carbon emissions caused by fossil fuels have accelerated the development of nuclear energy. After the Fukushima accident in Japan, the safety requirements of nuclear energy system are increasing.

In order to achieve the goals of higher safety, better economy, less nuclear waste discharge and sustainable development, the materials used are very demanding. Among the many alternative materials, carbide ceramic materials are the focus of attention at present.

Control rods are important components used to regulate and control reactivity changes in a reactor. Boron carbide has large neutron absorption cross section, good corrosion resistance, wear resistance and thermal stability. It is commonly used as neutron absorption material, control material and shielding material in nuclear reactors.