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R&D STATUS ON INTERMETALLICS IN CHINA

CHEN Guoliang(State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 , China)SHI Changxu (Academia Sinica , Beijing 100864 , China)

金属学报(英文版)

This paper briefiy introduces the R&D of intermetallics in China. R&D on intermetallics in a national scale in China began near ten years ago. The investigation in past years focused on the fundamental research and materials development. A significant progress has been made. Various components that made of Ti3Al Ni3Al, TiAl and Fe3Al have been successfully manufactured Some of them have been evaluted. It is expected that some intermetallic alloys will be produced in an industrial scale in the near future.

关键词: :intermetallic alloys , null , null , null

煤矸石在高温材料中的应用研究进展

段锋 , 马爱琼 , 肖国庆 , 尹洪峰

硅酸盐通报

围绕煤矸石在高温材料领域的应用和研究现状,概述了煤矸石的分类、化学组成及主要矿物成分高岭石的结构特征.分析了煤矸石经过氧化和非氧化气氛下的高温煅烧过程和反应机理,可以充分利用煤矸石中Al2O3、SiO2、有机碳三种主要成分合成耐火材料和陶瓷.阐述了煤矸石通过碳热还原氮化反应合成Saloon材料及其Sialon复相材料的研究成果和进展,为煤矸石的综合利用、提高产品附加值和品位提供了一个重要途径和研究方向.

关键词: 煤矸石 , 高温材料 , Sialon材料 , 碳热还原氮化反应

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