|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Energy Materials 2017: Materials for Nuclear Energy
||C-18: Effects of Irradiation on Thermal Conductivity of Nickel Alloys
||Mandeep Singh, Linu Malakkal, Aseem K Chauhan, Jerzy Szpunar, Michael P Bradely, M Chicoine
|On-Site Speaker (Planned)
Thermal conductivity is a critical property in the design of reactor core and the effect of irradiation on thermal conductivity is of keen interest. The thermal conductivity measurement after irradiation of Inconel X-750 and Inconel 600 were not investigated. Therefore, we prepared square samples of ½ inch width with a thickness of 1.5 mm to simulate the effect of irradiation by neutron using helium implantation. We implanted helium using a 1.7 MV Tandem accelerator with a beam current of 3 μA for around 20 minutes. This produced 1800 atomic parts per million (appm) of He. The analysis of our results clearly shows that the irradiated nickel alloys did not have significant changes in thermal conductivity. The negligible effect of irradiation on thermal conductivity for the nickel alloys is attributed to the recovery of the irradiation-induced defects.
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