Mechanical synthesis and rapid consolidation of a nanocrystalline 5.33Fe0.37Cr0.16Al0.4Si0.07-Al2O3 composite by high-frequency induction heating

被引：2
|
作者：
Shon, In-Jin [1 ,2 ,3 ]
Du, Song-Lee [1 ,2 ]
Ko, In-Yong [1 ,2 ]
Kim, Tae-Wan [1 ,2 ]
Doh, Jung-Mann [4 ]
Yoon, Jin-Kook [4 ]
Park, Sang-Whan [4 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, Coll Engn, Res Ctr Adv Mat Dev, Jeonju 561756, South Korea
[3] Chonbuk Natl Univ, Specialized Grad Sch, Dept Hydrogen & Fuel Cells Engn, Jeonju 561756, South Korea
[4] Korea Adv Inst Sci & Technol, Adv Funct Mat Res Ctr, Seoul 130650, South Korea
来源：
CERAMICS INTERNATIONAL | 2011年 / 37卷 / 04期
关键词：
Nanostructured materials; Sintering; Mechanical alloying; Mechanical properties; Composite materials; ALLOY; POWDERS; WC;
D O I：
10.1016/j.ceramint.2010.12.008
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanopowders of 5.33Fe(0.37)Cr(0.16)Al(0.4)Si(0.07) and Al2O3 were synthesized from Fe2O3, Cr, Si, and Al powders by high-energy ball milling. A high-density nanocrystalline 5.33Fe(0.37)Cr(0.16)Al(0.4)Si(0.07)-Al2O3 composite was consolidated by a high-frequency, induction-heated sintering (HFIHS) method within three minutes from mechanically synthesized powders of Al2O3 and 5.33Fe(0.37)Cr(0.16)Al(0.4)Si(0.07). The advantage of this process is that it allows very quick densification to near theoretical density and prohibits grain growth in nano-structured materials. The average grain sizes of Al2O3 and 5.33Fe(0.37)Cr(0.16)Al(0.4)Si(0.07) were 99 nm and 14 nm, respectively. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1353 / 1357
页数：5
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