New radiation-resistant mortar developed for safer nuclear plants

Scientists at IIT Guwahati have developed an enhanced mortar designed to improve safety in nuclear facilities by combining traditional cement mortar with microparticles of Boron oxide, Lead oxide, Bismuth oxide, and Tungsten oxide. This innovative mortar serves dual functions as a structural material and a radiation shield, capable of blocking harmful gamma rays and neutrons. The research team, led by Professor Hrishikesh Sharma, tested the effects of these microparticles on the mortar’s strength and radiation shielding capacity, finding that each additive influenced the mortar differently. Their goal is to create a material that enhances the durability and radiation resistance of containment structures in nuclear power plants, including emerging technologies like small modular reactors (SMRs) and microreactors, as well as medical radiation facilities. The development addresses ongoing safety concerns surrounding nuclear energy, which, despite its advantages as a low-carbon and reliable energy source, faces public apprehension due to the potential risks of radiation leaks. By improving the mortar’s resistance to heat, mechanical