Energetic fabrication of polyimide gradient multilayer high-entropy composite films for aerospace applications: Synergistic optimization of interfacial robustness and residual stress - Yifan Zhang; Shunian Chen; Qian Li; Zeyu Yin; Jiangfeng Ren; Shengqi Dai; Zhiqiang Zhang; Lei Li; Qingyan Hou; Pan Pang; Lin Chen; Bin Liao (Chemical Engineering Journal, 2026)