中文摘要：

对近年来金属材料梯度结构的研究进展作了简要综述,介绍了梯度结构的制备工艺,以及梯度结构对金属材料性能的影响。探讨了梯度结构在基础科学中存在的问题,并对其在工业中的应用做了展望。

英文摘要：

The research progress of gradient structure metal materials in recent years was reviewed. The preparation process of gradient structure and the influences of the gradient structure on the properties of metal material were introduced. Then, the existing problems of gradient structure in the basic science were discussed and its industrial applications were prospected.