Research Progress of Ag-In-Cd alloy Rod Materials of Nuclear Grade
Author of the article:CHEN Hao;ZHAO Tao;XING Jian;SUN Haixia
Author's Workplace：Xi’an Noble Metal Materials Co.,Ltd.,Xi’an 710065,China
Key Words：nuclear reactor control rod Ag-In-Cd alloy
Abstract：
Nuclear reactor control rod materials are the key functional materials of nuclear power plant core component control module,which has the characteristics of large neutron absorption cross section.The control rod materials can control the nuclear fission chain reaction by absorbing thermal neutrons and changing the number of neutrons in the core.Hafnium,silver,cadmium and boron elements are used to prepare control rod materials due to their excellent neutron absorption cross sections.The finished products include hafnium rod,silver indium cadmium control rod and BN rod.Nuclear Ag-In-Cd control rod is widely used as neutron absorber material In PWR due to its low price and easy processing.The physical and chemical properties,mechanical properties,creep properties,reaction mechanism and failure mechanism of nuclear grade silver indium cadmium control rod are reviewed.
