Published December 2010 | Version v1
Journal article Metadata-only

Vacuum plasma sprayed FeAl/Al2O3 functionally graded coatings for fusion reactor applications

Creators

  • 1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031 (China)
  • 2. School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027 (China)
  • 3. Guangzhou Research Institute of Non-ferrous Metals, Guangzhou, Guangdong 510651 (China)

Description

In the design of liquid-metal fusion blankets, Al2O3 ceramic is one of the most promising coating materials. In this study, functionally graded FeAl/Al2O3 coatings were deposited on China Low Activation Martensitic (CLAM) steel substrates with vacuum plasma spraying (VPS) method. The SEM investigation revealed that the adhesion between adjacent layers in the coatings was sound. X-ray diffraction showed that stable alpha alumina dominated in the top alumina layers, while γ-Al2O3 and β-Al2O3 were also detected. The coating/substrate adhesive tensile strength test showed that adhesive strength of graded coatings was about 2.5 times that of duplex FeAl/Al2O3 coatings. Thermal shock resistance test indicated that the graded coatings could tolerate more thermal shock cycles than duplex coatings.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.fusengdes.2010.04.039

Additional details

Identifiers

DOI
10.1016/j.fusengdes.2010.04.039;
PII
S0920-3796(10)00180-8;

Publishing Information

Journal Title
Fusion Engineering and Design
Journal Volume
85
Journal Issue
7-9
Journal Page Range
p. 1542-1545
ISSN
0920-3796
CODEN
FEDEEE

Conference

Title
9. international symposium on fusion nuclear technology
Acronym
ISFNT-9
Dates
11-16 Oct 2009
Place
Dalian (China)

INIS

Country of Publication
Netherlands
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43020413
Subject category
S36: MATERIALS SCIENCE; S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ADHESION; ALUMINIUM OXIDES; BREEDING BLANKETS; CERAMICS; COATINGS; MARTENSITIC STEELS; PLASMA ARC SPRAYING; SCANNING ELECTRON MICROSCOPY; SUBSTRATES; TENSILE PROPERTIES; THERMAL SHOCK; THERMONUCLEAR REACTORS; X-RAY DIFFRACTION
Descriptors DEC
ALLOYS; ALUMINIUM COMPOUNDS; CARBON ADDITIONS; CHALCOGENIDES; COHERENT SCATTERING; DEPOSITION; DIFFRACTION; ELECTRON MICROSCOPY; IRON ALLOYS; IRON BASE ALLOYS; MECHANICAL PROPERTIES; MICROSCOPY; OXIDES; OXYGEN COMPOUNDS; REACTOR COMPONENTS; SCATTERING; SPRAY COATING; STEELS; SURFACE COATING; TRANSITION ELEMENT ALLOYS

Optional Information

Copyright
Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.