Abstract
Gradient nanostructured materials are those polycrystalline materials in which spatial variation of microstructural sizes is graded from the nanometer-scale to the macro-scale. Because of a microstructure gradient, instead of a sharp interface, between the very strong nanostructures and the soft but ductile coarse-grained structures, gradient nanostructured materials exhibit fundamentally different, yet usually superior, functionalities compared with that of the homogeneous counterparts (either coarse-grained or ultrafine-grained or nanostructured). These appealing features provide plenty of rooms for greatly advancing structural and functional materials.In this talk, I will briefly summarize processing and the enhanced functionalities of gradient nanostructured metals together with analysis of principles. Major challenges for this new class of materials will be addressed including gradient controls, understanding of the plastic deformation mechanism and quantifying the structure-property relationship in gradient nanostructures, as well as exploration of technological applications in industries. Research opportunities and future developments of this emerging materials family will be highlighted.

CV
卢柯，中国科学院金属研究所研究员，沈阳材料科学国家（联合）实验室主任，2003年当选中国科学院院士,2005年当选德国国家科学院 (Leopoldina) 院士。研究领域为金属纳米材料的制备与性能。主要研究成果包括：（1）发现了纳米孪晶强化效应，开辟了纳米孪晶材料研究方向。提出了利用纳米孪晶强化金属的新原理和方法，在铜及铜合金、不锈钢等多种材料中实现了纳米孪晶结构并获得超高强度、高塑性和高导电性等优异性能。（2）开创了金属材料表面纳米化研究方向，发展了系列表面纳米化技术。揭示了金属材料表面纳米化过程机理和结构演化规律，纳米材料的本质结构特征和一些奇异性能。近年来发表学术论文360余篇，80余次在国际学术会议上做特邀报告。他现任美国Science周刊评审编辑（Reviewing editor）和Progress in Materials Science编辑（Editor）。先后荣获1998国际亚稳及纳米材料年会ISMANAM金质奖章，2000第三世界科学院TWNSO技术奖，2006 THERMEC 杰出成就奖，2010美国材料研究学会Fellow称号，2010英国剑桥大学Kelly讲座人，2011德国洪堡研究奖(AvH Research Award)等国际奖励及荣誉。