Microstructural characteristics and mechanical behavior of microwave-assisted sintered ferromagnetic FeCoNi1.5CrCu HEAp/Al matrix composites

•The effect of microwave sintering temperature on microstructure and mechanical behavior of HEAp/Al composites is investigated.•Ferromagnetic FeCoNi1.5CrCu particles improve the microwave absorption capacity of composites and reinforce the composites under microwave conditions.•The evolution mechanism of interface bonding in the preparation of ferromagnetic HEAp/Al composites under the condition of microwave assisted sintering is elucidated.