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Cavitation erosion behavior of nitinol coating sealed by epoxy resinKavitationserosionsverhalten einer mit Epoxidharz versiegelten Nitinolbeschichtung
Shi, Z. P.1,2; Wang, Z. B.2; Qiao, Y. X.3
Corresponding AuthorQiao, Y. X.(yxqiao@just.edu.cn)
2020-11-01
Source PublicationMATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
ISSN0933-5137
Volume51Issue:11Pages:1507-1514
AbstractThe nitinol coating against cavitation erosion was prepared by air plasma spraying and sealed with epoxy resin successfully. After the coating sealed with epoxy resin, the pores and cracks of the coating were filled with the epoxy resin and then the cohesiveness between the lamellae was improved, the hardness increased from 3.68 GPa to 7.49 GPa, the energy recovery ratio (superelasticity) was improved from 41.9 % to 49.0 % and the toughness was enhanced from 0.011 GPa to 0.045 GPa. During the cavitation erosion test, the epoxy resin reduced the cavitation resources and absorbed the impact energy from the micro-jet or shock waves. Meanwhile, the high hardness and superelasticity can help the coating to resist cavitation erosion and the high toughness can delay the expansion of cracks during the cavitation erosion test. As a result, after cavitation erosion for 300 min the cumulative mass loss of the coating sealed by epoxy resin was 1/5 times as much as that of the nitinol coating without sealing. Therefore, the cavitation erosion resistance of the nitinol coating can be improved by sealed with epoxy resin.
KeywordCavitation erosion nitinol coating sealing epoxy resin air plasma spraying
DOI10.1002/mawe.202000102
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000587728300006
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141251
Collection中国科学院金属研究所
Corresponding AuthorQiao, Y. X.
Affiliation1.China Acad Railway Sci, Met & Chem Res Inst, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
3.Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Shi, Z. P.,Wang, Z. B.,Qiao, Y. X.. Cavitation erosion behavior of nitinol coating sealed by epoxy resinKavitationserosionsverhalten einer mit Epoxidharz versiegelten Nitinolbeschichtung[J]. MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK,2020,51(11):1507-1514.
APA Shi, Z. P.,Wang, Z. B.,&Qiao, Y. X..(2020).Cavitation erosion behavior of nitinol coating sealed by epoxy resinKavitationserosionsverhalten einer mit Epoxidharz versiegelten Nitinolbeschichtung.MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK,51(11),1507-1514.
MLA Shi, Z. P.,et al."Cavitation erosion behavior of nitinol coating sealed by epoxy resinKavitationserosionsverhalten einer mit Epoxidharz versiegelten Nitinolbeschichtung".MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK 51.11(2020):1507-1514.
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