Components irradiation test no. 13- 2n2501 transistors, ti 551 diodes and various types of thermistors
Radiation environmental testing of diode, transistor, and thermistor for use in nuclear space vehicle
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Radiation environmental testing of diode, transistor, and thermistor for use in nuclear space vehicle
Control data on shear and tensile properties of structural alloys for comparison with postirradiation mechanical properties
Neutron and gamma radiation effects on field effect transistor and injection transistors
NERVA control drum actuator tests in cryogenic temperature, nuclear radiation, and vacuum environments
The purpose of this test was to determine the heavy ion-induced single-event effect (SEE) susceptibility of the Samsung solid state drive (SSD) containing the Vertical-NAND (VNAND) flash technology. This test was supported by the NASA Electronics Parts and Packaging (NEPP) Program.
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Review of design features and how fabrication will be completed for DRIFT Capsules, Big-BUSTER, and Moderator Assemblies for Big-BUSTER in TREAT.
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Summary of activities from NMDQi/AMMT to be presented to the annual AMMT program integration meeting
Four post-irradiation heating tests of fuel compacts from the U.S. Advanced Gas Reactor (AGR)-3/4 irradiation experiment were completed. In addition to tristructural isotropic (TRISO)-coated driver fuel, each compact contained designed-to-fail (DTF) particles with fuel kernels coated only in pyrocarbon so as to simulate exposed kernels. Tests at 1600/1700°C, 1400°C, and 1200°C were performed to measure fission product release as a function of time and temperature. Silver release was highest in the 1200°C test, supporting the observation that silver release rates are highest in the 1100–1300°C range. Compared to tests of AGR-1 compacts with no exposed kernels, the Cs-134 and Kr-85 releases were noticeably higher in AGR-3/4. The exposed kernels’ contributions to Eu and Sr release are inconclusive, due to the difficulty in distinguishing among the combined effects of higher irradiation temperatures in these particular AGR-3/4 compacts, the presence of the DTF particles, and the Fuel Accident Condition Simulator (FACS) test temperatures. These data can be used to make inferences about fission product retention in exposed kernels as a function of time and temperature.