Analysis of surface defects of aluminium components with hard anodized layers

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F15%3APU115385" target="_blank" >RIV/00216305:26620/15:PU115385 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.engfailanal.2015.01.013" target="_blank" >http://dx.doi.org/10.1016/j.engfailanal.2015.01.013</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.engfailanal.2015.01.013" target="_blank" >10.1016/j.engfailanal.2015.01.013</a>

Result language
angličtina
Original language name
Analysis of surface defects of aluminium components with hard anodized layers
Original language description
Final quality inspection regularly reveals surface defects on components after hard anodizing. The aim of the analysis was to identify the cause of the defects and unambiguously determine whether the defect is caused by the quality of the base material, manufacturing technology of the component, the heat treatment or by the final surface treatment technology (anodizing). Analysis of the chemical composition and hardness measurements were performed to eliminate the possibility of any errors during material selection and heat treatment process. The capillary test revealed two major defects and also small amount of minor defects. To determine cause of the defects, light and scanning electron microscopy including EDS chemical microanalysis was used. Detailed study of the major defect and EDS microanalysis of its interior confirmed existence of defect prior to coating formation. Further examination of the major defect and its surroundings led to conclusion, that the defect was formed during primary foundry processes when billet was manufactured.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20506 - Coating and films

Project
<a href="/en/project/ED1.1.00%2F02.0068" target="_blank" >ED1.1.00/02.0068: Central european institute of technology</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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