TY - JOUR AU - Zhu, Jun AB - Abstract The irradiation-induced hardening and softening of CLAM steel irradiated with 3.5 MeV Fe13+ ions at temperatures of 300 °C and 550 °C were investigated by nanoindentation tests in combination with microstructures. Irradiation- induced hardening occurred in the steel irradiated at 300 °C to doses of 0.46 dpa, 0.94 dpa, and 2.79 dpa. The hardening occurred at 300 °C is mainly attributed to the formation of irradiation-produced dislocation loops and a network of tangled dislocations in the irradiated steel samples. Significant hardening was found in the steel irradiated at 550 °C to 0.38 dpa. On the contrary, irradiation-induced softening occurred in the steel irradiated at 550 °C to both 0.76 dpa and 2.75 dpa. Irradiation-produced dislocation loops are not dominant effect on the irradiation hardening of the steel samples irradiated at 550 °C. The hardening and softening of the irradiated steel were explained in terms of the irradiation-produced defects and recovery process occurred during the irradiation. TI - Irradiation-induced hardening and softening of CLAM steel under Fe ion irradiation JO - "Metals and Materials International" DO - 10.1007/s12540-017-7156-0 DA - 2017-11-01 UR - https://www.deepdyve.com/lp/springer-journals/irradiation-induced-hardening-and-softening-of-clam-steel-under-fe-ion-d0lUnBY2m0 SP - 1106 EP - 1111 VL - 23 IS - 6 DP - DeepDyve ER -