%0 Journal Article
%T In-situ Synthesis of Ti3AlC2/TiC-Al2O3 Composite from TiO2-Al-C System
%A Jixin CHEN
%A Jialin LI
%A Yanchun ZHOU
%A <br>Jixin CHEN
%A Jialin LI and Yanchun ZHOU Shenyang National Laboratory for Materials Science
%A Institute of Metal Research
%A Chinese Academy of Sciences
%A Shenyang
%A China
%J 材料科学技术学报
%D 2006
%I 
%X Ti3AlC2/TiC-Al2O3 composite was synthesized by a combustion reaction in TiO2-Al-C system. The effect of the compositions in raw materials on the products was investigated. Ti3AlC2/TiC-Al2O3 composite was obtained at the molar ratio of TiO2:Al:C=3.0:5.0～5.1:1.8～2.0. The reaction path for the 3TiO2-5Al-2C system was proposed. Al3Ti, Ti2O3, TiO, and δ-Al2O3 are found to be transitional phases. Finally,Ti3AlC2/TiC-Al2O3 composite forms at ～900℃ of furnace temperature. The measured Vickers hardness,fracture toughness, and flexural strength of the nearly dense sample from 3TiO2-5Al-2C are 13.3±1.1 GPa,5.8±0.3 MPa.m1/2, and 466±39 MPa, respectively.
%K Ti3AlC2
%K TiC
%K Al2O3
%K TiO2-Al-C
%K Reaction path<br>Ti3AlC2/TiC-Al2O3复合物
%K 原位合成
%K 碳化钛
%K 三氧化二铝
%K 二氧化钛
%K 反应途径
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=324DC3CAB22330DB19158AE0A9B7BFA5&aid=2339209589FBDC56F0E48B8DF209099D&yid=37904DC365DD7266&vid=BC12EA701C895178&iid=E158A972A605785F&sid=366B1248A15658C5&eid=D9202C57BAB9096F&journal_id=1005-0302&journal_name=材料科学技术学报&referenced_num=0&reference_num=17