Influences of Al2O3 grain size on high-temperature oxidation of nano-Ni/Al2O3 composites

被引：15

作者：

Hai Vu Pham ^{[1
]}

Maruoka, Daisuke ^{[2
]}

Nanko, Makoto ^{[3
]}

机构：

[1] Nagaoka Univ Technol, Grad Sch Engn, 1603-1 Kamitomioka, Nagaoka, Niigata 9402188, Japan

[2] Tohoku Univ, Dept Frontier Sci Adv Environm, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan

[3] Nagaoka Univ Technol, Dept Mech Engn, 1603-1 Kamitomioka, Nagaoka, Niigata 9402188, Japan

来源：

JOURNAL OF ASIAN CERAMIC SOCIETIES | 2016年 / 4卷 / 01期

基金：

日本科学技术振兴机构;

关键词：

Nanocomposite; High-temperature oxidation; Grain size; Al2O3; CRACK DISAPPEARANCE; DISPERSED AL2O3; STRENGTH; BEHAVIOR; RECOVERY; DIFFUSION;

D O I：

10.1016/j.jascer.2016.01.003

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：

Two 5 vol% Ni/Al2O3 composites with the difference in Al2O3 grain size were fabricated by pulsed electric current sintering technique to investigate the influence of Al2O3 grain size on oxidation behavior of the composites. Average Al2O3 grain sizes of two fabricated composites were 1.1 mu m and 0.5 tim after sintering. Oxidation tests were conducted at temperatures ranging from 1100 to 1350 degrees C for 1-48 h in air. A thin NiAAl(2)O(4) layer was observed in exposed surface of samples after oxidation. An oxidized zone that consisted of Al2O3 matrix and NiAl2O4 grains was defined. Growth of the oxidized zone obeyed the parabolic law. Influences of Al2O3 grain size on high -temperature oxidation of the composites were discussed. (C) 2016 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V.

引用

页码：120 / 123

页数：4

共 19 条

[1] Crack-healing and mechanical behaviour of Al2O3/SiC composites at elevated temperature [J].

Ando, K ;

Kim, BS ;

Chu, MC ;

Saito, S ;

Takahashi, K .

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2004, 27 (07) :533-541

[2] Crack healing behaviour and high-temperature strength of mullite/SiC composite ceramics [J].

Ando, K ;

Chu, MC ;

Tsuji, K ;

Hirasawa, T ;

Kobayashi, Y ;

Sato, S .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2002, 22 (08) :1313-1319

[3]

[Anonymous], J EURO CERAM SOC

[4]

CHU MC, 1995, FATIGUE FRACT ENG M, V18, P1019, DOI 10.1111/j.1460-2695.1995.tb00924.x

[5] High-temperature fatigue strength of crack-healed Al2O3 toughened by SiC whiskers [J].

Lee, SK ;

Takahashi, K ;

Yokouchi, M ;

Suenaga, H ;

Ando, K .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2004, 87 (07) :1259-1264

[6] Recovery of mechanical strength by surface crack disappearance via thermal oxidation for nano-Ni/Al2O3 hybrid materials [J].

Maruoka, Daisuke ;

Nanko, Makoto .

CERAMICS INTERNATIONAL, 2013, 39 (03) :3221-3229

[7] Recovery of Mechanical Property on Nano-Co Particles Dispersed Al2O3 via High-Temperature Oxidation [J].

Maruoka, Daisuke ;

Itaya, Tsuyoshi ;

Misaki, Tai ;

Nanko, Makoto .

MATERIALS TRANSACTIONS, 2012, 53 (10) :1816-1821

[8] Crack-Healing Effectiveness of Nano Ni plus SiC Co-Dispersed Alumina Hybrid Materials [J].

Maruoka, Daisuke ;

Sato, Yoku ;

Nanko, Makoto .

THERMEC 2009 SUPPLEMENT: 6TH INTERNATIONAL CONFERENCE ON PROCESSING & MANUFACTURING OF ADVANCED MATERIALS, 2010, 89-91 :365-+

[9] Crack Healing of Nano-Ni/Al2O3 Hybrid Materials via High-Temperature Oxidation [J].

Maruoka, Daisuke ;

Nanko, Makoto .

HIGH-TEMPERATURE OXIDATION AND CORROSION 2010, 2011, 696 :378-+

[10] Influence of Si-Doping of Nano-Ni Dispersed Al2O3 Composites on High-Temperature Oxidation [J].

Maruoka, Daisuke ;

Nanko, Makoto .

MATERIALS TRANSACTIONS, 2010, 51 (09) :1570-1573

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