Mechanical Properties of Zirconia Coating Deposited by Solution Precursor Plasma Spraying [溶液等离子喷涂氧化锆涂层力学性能的研究] - 文章详情页

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摘要：

Thermal　barrier　coatings　(TBCs)　were　produced　by　solution　precursor　plasma　spraying(SPPS)　that　used　aqueous　solution　of　zirconium　and　yttrium　salt　as　raw　materials.　The　failure　of　thermal　barrier　coatings　involves　many　factors.　Furthermore,　the　mechanical　properties　of　ceramics　are　related　to　these　factors.　The　mechanical　properties　of　the　sprayed　coatings　were　characterized　by　SEM,　XRD　and　Hardness　Tester.　The　Young＇s　modulus　and　microhardness　of　the　segmented　coating　were　measured　to　be　about　58　GPa　and　7　GPa,　relatively　higher　than　15%　with　those　of　the　traditional　coating　respectively.　The　fracture　toughness　is　1.8-2　MPa•m1/2　and　tensile　strength　is　25　MPa　by　an　indentation　technique.　The　lower　porosity　and　better　lamellar　bonding　of　the　segmented　coating　could　be　responsible　for　the　improvement　of　the　mechanical　properties.　©　2017,　Chinese　Ceramic　Society.　All　right　reserved.

关键词：

Fracture toughness; Segmentation crack; Solution precursor plasma spraying(SPPS); Tensile strength; Zirconium thermal barrier coatings (TBCs)

作者机构：

[ 1 ] [Chen, L.-J.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Wang, Y.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Hao, S.-P.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Suo, H.-L.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Li, H.-Z.]The Capital Aerospace Machinery Company, Beijing, 100076, China
[ 6 ] [Jia, Q.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 7 ] [Lu, D.-Q.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 8 ] [He, D.-Y.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China

通讯作者信息：

[Wang, Y.]Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of TechnologyChina

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