Mechanical Properties and Fabrication of Nanostructured Al2TiO5 Compound by Pulsed Current Activated Sintering

被引：2

作者：

Kang, Hyun-Su ^{[1
,2
]}

Park, Hyun-Kuk ^{[1
,2
]}

Doh, Jung-Mann ^{[3
]}

Yoon, Jin-Kook ^{[3
]}

Park, Bang-Ju ^{[4
]}

Shon, In-Jin ^{[1
,2
]}

机构：

[1] Chonbuk Natl Univ, Div Adv Mat Engn, Coll Engn, Chonju 561756, South Korea

[2] Chonbuk Natl Univ, Coll Engn, Res Ctr Adv Mat Dev, Chonju 561756, South Korea

[3] Korea Inst Sci & Technol, Interface Control Res Ctr, Seoul 130650, South Korea

[4] Gachon Univ, Coll BioNano Tech, Songnam 461701, Gyeonggi Do, South Korea

来源：

KOREAN JOURNAL OF METALS AND MATERIALS | 2012年 / 50卷 / 11期

关键词：

compound; nanostructure; sintering; Al2TiO5; mechanical properties; THERMAL-EXPANSION; COMPOSITE; CONSOLIDATION;

D O I：

10.3365/KJMM.2012.50.11.817

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nano powders of Al2O3 and TiO2 compounds made by high energy ball mining were pulsed current activated sintered for studying their sintering behaviors and mechanical properties. The advantage of this process is that it allows very quick densification to near theoretical density and inhibition of grain growth. Nano-structured Al2TiO5 with small amount of Al2O3 and TiO2 was formed by sintering at 1300 degrees C for 5 minute, in which average grain size was about 96 nm. Hardness and fracture toughness of the nano-structured Al2TiO5 compound with a small amount of Al2O3 and TiO2 were 602 kg/mm(2) and 2.6 MPa.m(1/2), respectively.

引用

页码：817 / 822

页数：6

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