摘要
综述了表面纳米化催化渗氮、稀土催化渗氮、激光催化渗氮、预氧化催化渗氮等气体渗氮的催渗机理、特点与研究进展。同时介绍了本课题组提出的纳米稀土原位界面催化渗氮原理,提出了气体渗氮界面氮势的概念,阐述了界面催渗机理,对未来催化渗氮的进行了展望。
The catalytic diffusion mechanism,characteristics,and research progress of gas nitriding such as surface nano catalytic nitriding,rare earth catalytic nitriding,laser catalytic nitriding and pre-oxidation catalytic nitriding are reviewed.At the same time,the principle of in-situ interfacial catalytic nitriding of nano-rare earth proposed by our research group is introduced,the concept of interfacial nitrogen potential of gas nitriding is put forward,the mechanism of interfacial catalytic nitriding is expounded,and the future of catalytic nitriding is prospected.
作者
于群
时垌
林威
孙金全
黄鑫
鲍建齐
王东瑞
杨洁
李福杰
谢鲲
李文生
陈蕴博
YU Qun;SHI Tong;LIN Wei;SUN Jin-quan;HUANG Xin;BAO Jian-qi;WANG Dong-rui;YANG Jie;LI Fu-jie;XIE Kun;LI Wen-sheng;CHEN Yun-bo(Jereh Environmental Protection Technology Co Ltd,Yantai 264003,China;School of Materials Science and Engineering,Shandong University of Science and Technology,Qingdao 266590,China;Beijing National Innovation Institute of Lightweight Ltd,Beijing 100083,China)
出处
《材料热处理学报》
CAS
CSCD
北大核心
2022年第9期12-19,共8页
Transactions of Materials and Heat Treatment
关键词
催化渗氮
纳米化
稀土
预氧化
催化剂
catalytic nitriding
nano crystallization
rare earth
pre-oxidation
catalyst
