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In Prototype Fast Breeder Reactor (PFBR), Kalpakkam, India, there are three Diverse Safety Rod Drive Mechanisms (DSRDM) in the control plug, which hold the diverse safety rods (DSR). During normal operation, DSR is held outside the active core region by an electromagnet. On receiving Safety Control Rod Accelerated Motion (SCRAM) signal, the electromagnet de-energizes and drops the DSR, which falls...
The aim of the study is to investigate the effect of aging of solution annealed M250 grade maraging steel on the microstructure, room temperature hardness and eddy current (EC) parameters. Specimens of M250 maraging steel were subjected to solution annealing at 1093K for 1h followed by aging at 755K for various durations in the range of 0.25–100h. The hardness was found to increase continuously with...
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