Properties and consolidation of nanocrystalline 3Cu-Al2O3 composite by rapid sintering

被引：1
|
作者：
Ko, In-Yong [1 ]
Kim, Na-Ri [1 ]
Lee, Jin-Yeoung [1 ]
Park, Na-Ra [1 ]
Doh, Jung-Mann [2 ]
Shon, In-Jin [1 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Res Ctr Adv Mat Dev, Coll Engn, Jeonju 561756, South Korea
[2] Korea Inst Sci & Technol, Adv Funct Mat Res Ctr, Seoul 130650, South Korea
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2010年 / 36卷 / 6-7期
关键词：
Rapid sintering; Composite; Nanophase; Mechanical properties; Cu-Al2O3; COMBUSTION;
D O I：
10.1007/s11164-010-0181-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nanopowders of Cu and Al2O3 were synthesized from 3CuO and 2Al powders by high-energy ball milling. Nanocrystalline Al2O3 reinforced composite was consolidated by pulsed-current activated sintering method within 2 min from mechanically synthesized powders of Al2O3 and Cu. The relative density of the composite was 96%. The average hardness and fracture toughness values obtained were 540 kg/mm(2) and 6.3 MPa m(1/2), respectively.
引用
收藏
页码：775 / 784
页数：10
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