Published 06/10/2021 at 602 × 561 in Microstructures and mechanical properties of 4 wt%TiB2/Al-Si-Cu-Zn (T6) composite thin-walled shell housing fabricated by high pressure die casting Figure 1. Schematic diagram of (a) the preparation of 4 wt%TiB2/Al-9Si-3Cu-0.8Zn composite; (b) HPDC mold; (c)HPDC casting. Figure 1. Schematic diagram of (a) the preparation of 4 wt%TiB2/Al-9Si-3Cu-0.8Zn composite; (b) HPDC mold; (c)HPDC casting.