Corrosion of lanthanum magnesium hexaaluminate as plasma-sprayed coating and as bulk material when exposed to molten V2O5-containing salt

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	Corrosion of lanthanum magnesium hexaaluminate as plasma-sprayed coating and as bulk material when exposed to molten V2O5-containing salt
	X. L.; Cao Chen, X. Q.; Zou, B. L.; Gong, J.; Sun, C.
	2015
发表期刊	Corrosion Science
ISSN	0010-938X
卷号	91 页码:185-194
摘要	Corrosion of LaMgAl11O19 (LaMA) bulk and plasma sprayed coating was studied in molten V2O5-containing salt at 710-1050 degrees C in air. Results indicate that the well crystallized LaMA bulk exhibited prior corrosion resistance to the plasma sprayed LaMA coating with amorphous phase and reduced chemical bond strength in its crystal structure. La-O chemical bonds with the lowest bond energies were the easiest bonds in the LaMA crystal to be broken by molten V2O5-containing salt attack to form LaVO4 at each temperature level for both LaMA bulk and coating. Corrosion products of the LaMA coating were much different at temperature below 900 degrees C. (C) 2014 Elsevier Ltd. All rights reserved.
部门归属	[chen, xiaolong ; gong, jun ; sun, chao] chinese acad sci, inst met res, shenyang 110016, peoples r china. [chen, xiaolong] natl inst mat sci, tsukuba, ibaraki 3050047, japan. [cao, xueqiang ; zou, binglin] chinese acad sci, changchun inst appl chem, state key lab rare earth resources utilizat, changchun 130022, peoples r china. ; chen, xl (reprint author), natl inst mat sci, 1-2-1 sengen, tsukuba, ibaraki 3050047, japan. ; xlchen@imr.ac.cn
关键词	Ceramic Molten Salt Hot Corrosion Oxide Coatings Thermal Barrier Coatings Sulfate-vanadate Salt Hot Corrosion Calcium Hexaluminate Vanadium-oxide Behavior Magnetoplumbite Mechanism Oxidation Alumina
URL	查看原文
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/73775
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. L.,Cao Chen, X. Q.,Zou, B. L.,et al. Corrosion of lanthanum magnesium hexaaluminate as plasma-sprayed coating and as bulk material when exposed to molten V2O5-containing salt[J]. Corrosion Science,2015,91:185-194.
APA	X. L.,Cao Chen, X. Q.,Zou, B. L.,Gong, J.,&Sun, C..(2015).Corrosion of lanthanum magnesium hexaaluminate as plasma-sprayed coating and as bulk material when exposed to molten V2O5-containing salt.Corrosion Science,91,185-194.
MLA	X. L.,et al."Corrosion of lanthanum magnesium hexaaluminate as plasma-sprayed coating and as bulk material when exposed to molten V2O5-containing salt".Corrosion Science 91(2015):185-194.