Institute of Fundamental Technological Research
Polish Academy of Sciences


G. Hannema

Recent publications
1.  Zieliński T.G., Opiela K.C., Pawłowski P., Dauchez N., Boutin T., Kennedy J., Trimble D., Rice H., Van Damme B., Hannema G., Wróbel R., Kim S., Ghaffari Mosanenzadeh S., Fang N.X., Yang J., Briere de La Hosseraye B., Hornikx M.C.J., Salze E., Galland M.-A., Boonen R., Carvalho de Sousa A., Deckers E., Gaborit M., Groby J.-P., Reproducibility of sound-absorbing periodic porous materials using additive manufacturing technologies: round robin study, Additive Manufacturing, ISSN: 2214-8604, DOI: 10.1016/j.addma.2020.101564, Vol.36, pp.101564-1-24, 2020

The purpose of this work is to check if additive manufacturing technologies are suitable for reproducing porous samples designed for sound absorption. The work is an inter-laboratory test, in which the production of samples and their acoustic measurements are carried out independently by different laboratories, sharing only the same geometry codes describing agreed periodic cellular designs. Different additive manufacturing technologies and equipment are used to make samples. Although most of the results obtained from measurements performed on samples with the same cellular design are very close, it is shown that some discrepancies are due to shape and surface imperfections, or microporosity, induced by the manufacturing process. The proposed periodic cellular designs can be easily reproduced and are suitable for further benchmarking of additive manufacturing techniques for rapid prototyping of acoustic materials and metamaterials.

porous materials, designed periodicity, additive manufacturing, sound absorption

Zieliński T.G. - IPPT PAN
Opiela K.C. - IPPT PAN
Pawłowski P. - IPPT PAN
Dauchez N. - Sorbonne University Alliance (FR)
Boutin T. - Sorbonne University Alliance (FR)
Kennedy J. - Trinity College (IE)
Trimble D. - Trinity College (IE)
Rice H. - Trinity College (IE)
Van Damme B. - other affiliation
Hannema G. - other affiliation
Wróbel R. - other affiliation
Kim S. - other affiliation
Ghaffari Mosanenzadeh S. - other affiliation
Fang N.X. - other affiliation
Yang J. - Clemson University (US)
Briere de La Hosseraye B. - other affiliation
Hornikx M.C.J. - other affiliation
Salze E. - other affiliation
Galland M.-A. - École Centrale de Lyon (FR)
Boonen R. - other affiliation
Carvalho de Sousa A. - other affiliation
Deckers E. - Katholieke Universiteit Leuven (BE)
Gaborit M. - other affiliation
Groby J.-P. - other affiliation

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