Detecting porosity of 3D printed ti6al4v by nonlinear elastic wave spectroscopy

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F19%3A00519739" target="_blank" >RIV/61388998:_____/19:00519739 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Detecting porosity of 3D printed ti6al4v by nonlinear elastic wave spectroscopy
Original language description
Selective Electron Beam Melting (SEBM) is a powder bed technology for the production of metallic parts. In order to achieve nominal mechanical properties, microstructural defects have to bendetected and avoided. The porous microstructure can contain voids, weak bonds, sharp interfaces and loose particles, all of which was linked with the occurrence of nonlinear elastic wavenpropagation. A set of Ti-6Al-4V samples with defined internal volume with porosity ranging from 0.2 % to 20 % is experimentally investigated. An Impact Modulation Spectroscopy experiment wasnperformed on the sample set and experimental results were analysed for linear and nonlinear indicators of material porosity. Porosity was indicated by means of Resonant UltrasoundnSpectroscopy and its nonlinear counterpart, by a measure of attenuation and by nonlinear modulation.
Czech name
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Czech description
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Project
<a href="/en/project/TK01030108" target="_blank" >TK01030108: Innovative methods for nuclear plant safety evaluation based on SHM technologies and related procedures -NEMENUS (NEw MEthods for NUclear Safety)</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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