financial supports from the National Key Research and Development Program of China(No.2016-YFB0300801);the State Key Laboratory of High Performance Complex Manufacturing of Central South University,China(No.ZZYJKT2020-03);the National Key Laboratory of Science and Technology for National Defence on High-strength Lightweight Structural Materials of China(No.20190104)。
The correlations among the corrosion behaviour,grain-boundary microchemistry,and Zn content in Al-Zn-Mg-Cu alloys were studied using stress corrosion cracking(SCC)and intergranular corrosion(IGC)tests,combined with sc...