In this study, we prepared a Zn-0.8Mg-0.2Sr (wt. %) alloy and processed it by ECAP. The evolution of the microstructure during the processing was observed and discussed in detail. The obtained results revealed the continuous dynamic recrystallization as the prevailing recrystallization mechanism. It affected all the aspects of the microstructure, namely the grain size, residual stresses, and dislocation arrangement. The obtained grain size was in good agreement with both empirical and theoretical relations predicting the minimal (0.4–0.6 μm) and average (2.5 μm) grain size. The compressive tests revealed the relations between alignment of the intermetallic regions, texture of the Zn matrix, and resulting mechanical performance of the material. The compressive yield strength of the material ranged from 230 to 250 MPa in the individual directions, and the tensile yield strength reached the value of approximately 200 MPa. The resulting mechanical properties were almost isotropic in the individual directions and fulfilled the basic requirements for applications in implantology, particularly, for maxillofacial, cranial or orthopaedic implants.

在本研究中，我们制备了 Zn-0.8Mg-0.2Sr（重量百分比）合金并通过 ECAP 对其进行了加工。观察并详细讨论了加工过程中微观结构的演变。所得结果表明连续动态再结晶是主要的再结晶机制。它影响微观结构的所有方面，即晶粒尺寸、残余应力和位错排列。获得的晶粒尺寸与预测最小 (0.4-0.6 μm) 和平均 (2.5 μm) 晶粒尺寸的经验和理论关系非常一致。压缩试验揭示了金属间化合物区域的排列、锌基体的织构和材料的机械性能之间的关系。材料的压缩屈服强度在各个方向上从 230 到 250 MPa 不等，拉伸屈服强度达到200MPa左右。由此产生的机械性能在各个方向上几乎是各向同性的，满足了种植学应用的基本要求，特别是颌面、颅骨或骨科植入物。