摘要
稀土添加在铂及其合金中,不仅有细化晶粒的作用,还有提高铂及其合金组织稳定性和强度、助催化等作用。本文就以上方面对稀土RE-Pt材料的应用与研究进展进行概述,重点介绍汽车尾气催化剂的基本工作原理和性能、发展历程和国内外的研究状况,并指出:扩大稀土在铂及其合金中的应用范围具有十分重要的实际意义。
Addition of rare earth into platinum and its alloys not only can efficiently fine the grains, but also improve the stability of structure, increase strength and plasticity, and can accelerate catalysis. In this paper the progress of application and research in rare earths-platinum materials are described summarily. The basic principle of work, the performance, the development process and the research status of catalysts for controlling automotive emission are in the highlight. It is significant and potential to widen rare-earth applications in the platinum containing alloys.
出处
《金属功能材料》
CAS
2009年第1期45-48,58,共5页
Metallic Functional Materials
基金
国家自然科学基金(N0.50261002
No.50661002)资助项目
关键词
稀土
铂及其合金
催化剂
rare earth
platinum and its alloys
catalyst
