The paper studied the microstructure and properties of (Al₃Zr + ZrB₂)_p/Al-Zn-Mg-Cu composite by mixed salt reaction (MSR) in different states. The results show that the grain sizes of the aluminum matrix composite are similar and very small, and the average grain size of which is around 3.257 μm. Besides, the precompression and pre-recovery treatment can further improve the mechanical properties and the corrosion resistance. In the pre-recovery, solution, precompression and T6 aging process, the composite material has the best mechanical properties, the hardness and tensile strength of which reaches up to 258 HV and 666 MPa, respectively. Meanwhile, T76 aging is more effective on the exfoliation and intergranular corrosion resistance of the composite material than T6 aging.

研究了（Al ₃ Zr + ZrB ₂）_p的组织和性能/ Al-Zn-Mg-Cu复合盐在不同状态下的混合盐反应（MSR）。结果表明，铝基复合材料的晶粒尺寸相似且非常小，平均晶粒尺寸约为3.257μm。此外，预压缩和预恢复处理可以进一步改善机械性能和耐腐蚀性。在预恢复，固溶，预压缩和T6时效过程中，复合材料具有最佳的机械性能，其硬度和抗拉强度分别达到258 HV和666 MPa。同时，与T6时效相比，T76时效对复合材料的抗剥落和抗晶间腐蚀性能更有效。