Oxidation behavior and residual stress in thermally grown oxides of detonation and high velocity VxygenFuel sprayed NiCrAlY coatings

被引：1
作者：
Chen, Z. X. [1 ]
Yuan, F. H. [1 ]
Zhu, S. J. [2 ]
Wang, Z. G. [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Sci & Technol, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
[2] Fukuoka Inst Technol, Dept Intelligent Mech Engn, Fukuoka 8110295, Japan
来源：
2006 BIMW: 2006 BEIJING INTERNATIONAL MATERIALS WEEK, PTS 1-4: MAGNESIUM | 2007年 / 546-549卷
关键词：
coatings; oxidation; residual stress; HVOF;
D O I：
10.4028/www.scientific.net/MSF.546-549.1707
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiCrAlY coatings were prepared by the detonation spraying (DS) and high velocity oxygen fuel (HVOF) spraying processes, respectively. The DS NiCrAlY coating has higher oxidation rate than the HVOF NiCrAlY coating at 1100 degrees C due to its rougher surface and more mixed oxides. The residual compressive stress in thermally grown oxides (TGO) on the DS NiCrAlY coating is higher than that on the HVOF coating because the O-Al(2)O(3)A to? alpha-A(12)O(3) transformation causes the tensile stress in the TGO on the HVOF coating.
引用
收藏
页码：1707 / +
页数：2
相关论文
共 15 条
[1]   Oxidation behavior of HVOF sprayed nanocrystalline NiCrAlY powder [J].
Ajdelsztajn, L ;
Picas, JA ;
Kim, GE ;
Bastian, FL ;
Schoenung, J ;
Provenzano, V .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2002, 338 (1-2) :33-43
[2]   High temperature oxidation of HFPD thermal-sprayed MCrAlY coatings [J].
Belzunce, FJ ;
Higuera, V ;
Poveda, S .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 297 (1-2) :162-167
[3]   The characteristics of alumina scales formed on HVOF-sprayed MCrAlY coatings [J].
Brandl, W ;
Toma, D ;
Grabke, HJ .
SURFACE & COATINGS TECHNOLOGY, 1998, 108 (1-3) :10-15
[4]  
Brindley WJ, 1997, J THERM SPRAY TECHN, V6, P3, DOI 10.1007/BF02646305
[5]   The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure [J].
Clarke, DR ;
Christensen, RJ ;
Tolpygo, V .
SURFACE & COATINGS TECHNOLOGY, 1997, 94-5 (1-3) :89-93
[6]   Stress development in alumina scales formed upon oxidation of (111)NiAl single crystals [J].
Lipkin, DM ;
Clarke, DR ;
Hollatz, M ;
Bobeth, M ;
Pompe, W .
CORROSION SCIENCE, 1997, 39 (02) :231-242
[7]  
Peng X, 2003, ACTA METALL SIN, V39, P1060
[8]   The influence of bond coat surface roughness and structure on the oxidation of a thermal barrier coating system [J].
Taylor, MP ;
Evans, HE .
HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 5, PTS 1 AND 2, 2001, 369-3 :711-717
[9]   Determination of the growth stress and strain in α-Al2O3 scales during the oxidation of Fe-22Cr-4.8Al-0.3Y alloy [J].
Tolpygo, VK ;
Dryden, JR ;
Clarke, DR .
ACTA MATERIALIA, 1998, 46 (03) :927-937
[10]   Alumina scale failure resulting from stress relaxation [J].
Tolpygo, VK ;
Clarke, DR .
SURFACE & COATINGS TECHNOLOGY, 1999, 120 :1-7
12