Structural and tribological properties of supersonic sprayed Fe-Cu-Al-Al2O3 nanostructured cermets

被引：16

作者：

Georgiou, E. P. ^{[1
]}

Achanta, S. ^{[2
]}

Dosta, S. ^{[3
]}

Fernandez, J. ^{[3
]}

Matteazzi, P. ^{[4
]}

Kusinski, J. ^{[5
]}

Piticescu, R. R. ^{[6
]}

Celis, J-P ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept MTM, B-3001 Louvain, Belgium

[2] Falex Tribol NV, B-3110 Rotselaar, Belgium

[3] Univ Barcelona, Thermal Spray Ctr CPT, Dpt Ciencia Mat & Engn Met Lurg, E-08028 Barcelona, Spain

[4] CSGI & MBN Nanomat, Vascon Di C, TV, Italy

[5] Stanislaw Staszic Univ Min & Met, Fac Met Engn & Ind Comp Sci, PL-30059 Krakow, Poland

[6] Natl Inst Nonferrous & Rare Met, Pantelimon, Ilfov, Romania

来源：

APPLIED SURFACE SCIENCE | 2013年 / 275卷

关键词：

Nanostructured cermets; Cold spraying; Microstructure; Wear; Coatings; SLIDING WEAR BEHAVIOR; MECHANICAL-PROPERTIES; ALLOY COATINGS; HVOF; CORROSION; STEEL;

D O I：

10.1016/j.apsusc.2013.01.072

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A nanostructured cermet coating consisting of alumina dispersed in a Fe-Cu-Al matrix was deposited by supersonic spraying. The experiments revealed a strong effect of deposition parameters and chemical composition of the powders on the structural characteristics of the Fe-Cu-Al + Al2O3 sprayed cermet. This cermet is made up of complex metallurgical phases as revealed by electron microscopy and X-ray diffraction. The mechanical properties of the different phases detected were determined by nanoindentation. Finally, the friction and wear behavior of this nanostructured sprayed cermet were compared to the ones of benchmark materials. It was found that the Fe-Cu-Al + Al2O3 cermet coating exhibit better tribological properties than the benchmark materials thanks to an appropriate balance of hard and soft phases, and a nanostructuring. The wear mechanism was investigated to establish a 'structure-property' relationship for this type of nanostructured cermet coatings. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：142 / 147

页数：6

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