TY - GENERIC DO - 10.20944/preprints201712.0017.v1 UR - http://dx.doi.org/10.20944/preprints201712.0017.v1 TI - Investigation into Forming Limits of Multi-Layer Hybrid Sheets with different Materials in the Middle T2 - Preprints AU - Liu, Shichen AU - Lang, Lihui AU - Guan, Shiwei AU - Alexandrov, Sergei AU - Zeng, Yipan PY - 2017 DA - 2017/12/04 PB - Preprints