激光熔覆高强韧铁基涂层精细组织调控与性能研究  

Microstructure Controlling and Properties of Laser Cladded High Strength and High Toughness Fe-Based Coatings

作　　者：冯凯[1,2,3] 郭彦兵 冯育磊 姚成武 朱彦彦[1,2,3] 张群莉 李铸国[1,2,3] FENG Kai;GUO Yanbing;FENG Yulei;YAO Chengwu;ZHU Yanyan;ZHANG Qunli;LI Zhuguo(School of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Shanghai Key Laboratory of Materials Laser Processing and Modification,Shanghai Jiao Tong University,Shanghai 200240,China;Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai 200240,China;School of Materials Science,Shanghai DianJi University,Shanghai 201306,China;Institute of Laser Advanced Manufacturing,Zhejiang University of Technology,Hangzhou 310014,China)

机构地区：[1]上海交通大学材料科学与工程学院,上海200240 [2]上海交通大学上海市激光制造与材料改性重点实验室,上海200240 [3]高新船舶与深海开发装备协同创新中心,上海200240 [4]上海电机学院材料学院,上海201306 [5]浙江工业大学激光先进制造研究院,杭州310014

出　　处：《金属学报》2022年第4期513-528,共16页Acta Metallurgica Sinica

基　　金：国家重点研发计划项目No.2018YFB0407300。

摘　　要：激光熔覆作为一种高精度成形与低损伤控性的表面强化技术,可以赋予零部件表面更高的性能。铁基涂层作为一种低成本的涂层体系一直广泛地应用于各种机械零部件的表面强化领域。随着零部件对高性能和长寿命的追求,对激光熔覆涂层材料的设计及性能也提出了更高要求。本文综述了作者团队近年来设计和制备的纳米贝氏体铁基涂层、超细共晶增强铁基涂层、颗粒增强马氏体涂层及高硬度非晶铁基涂层,并从设计思路、涂层组织结构和力学性能等方面详细介绍了研究结果,并对未来发展方向进行了展望。Laser cladding is a powerful surface strengthening technology that combines with high precision forming and low substrate damage to endow components with high surface performance.Febased coatings have been widely used in the surface engineering of many mechanical components.As the demand for higher performance and longer service life for components increases,the design and fabrication of new laser cladded coatings are expected to improve.This paper reviews recent research results of our team on laser cladding of novel Fe-based coatings,such as nano-bainite Fe-based coating,ultra-fine eutectic Fe-based coating,particle reinforced martensite coating,and high-hardness amorphous Fe-based coating.The study results are presented from the perspectives of the design,microstructure,and mechanical properties of these novel coating materials.

关 键 词：激光熔覆 表面技术 铁基涂层 组织调控 高强韧 

分 类 号：TG178[金属学及工艺—金属表面处理]