|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Energy Materials 2017: Materials for Nuclear Energy
||C-17: Effect of Heat Treatments on the Microstructure and Mechanical Properties of Zr-1NB-1SN-0,1Fe Alloy used in the Nuclear Industry
||Dielle Costa, Daniele Baeta, Monica Costa Rezende, Neil Medeiros
|On-Site Speaker (Planned)
Zirconium alloys are widely used in the nuclear industry, principally as the fuel cladding tubes and other structural components for PWR reactors (Pressurized Water Reactor). This is due to their high corrosion resistance at elevated temperatures in combination with a transparency to thermal energy neutrons. Currently, the Zr-1NB-1SN-0,1Fe has highlighted between alloys zirconium . The main advantage of using this alloy is that it shows better resistance to corrosion and higher dimensional stability higher than others. Dimensional stability is a key factor associated to wear resistance and influences directly the insertion of control rods. In this context, the aims of this work is to perform various heat treatments routes in the Zr-1NB-1SN-0,1Fe alloy in order to improve mechanical properties and consequently increase lifetime. It was made microstructural analysis in SEM and TEM. Tensile tests and hardness were performed. Results indicate the best route to optimize mechanical properties.
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