Mechanical Properties of PVB 3D Printed Output Fumigated with Ethanol

Eun-Young Kang; Ji-Ho Lim; Seunggon Choi; Jong Wook Mun; Yu Kyung Lee; Sun Kon Lee; Dae-Yong Jeong

doi:10.3740/MRSK.2020.30.7.369

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Mechanical Properties of PVB 3D Printed Output Fumigated with Ethanol 에탄올 훈증처리한 3D 프린팅 PVB 출력물의 기계적 특성

July 2020. pp. 369-375

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Abstract

FDM 3D printing structures have rough surfaces and require post-treatment to improve the properties. Fumigation is a representative technique for removing surface unevenness. Surface treatment by fumigation proceeds by dissolving the surface of the protruding structure using a vaporized solvent. In this study, 3D printed PVB outputs are surface-treated with ethyl-alcohol fumigation. As the fumigation time increases, the surface flattens as ethanol dissolves the mountains on the surface of PVB and the surface valleys are filled with dissolved PVB. Through the fumigation process, the mechanical strength tends to decrease, and deformation rate increases. Ethanol vapor permeates into PVB, widening the distance between chains and resulting in weak bonding strength between chains. In order to confirm the effect of fumigation only, an annealing process is performed at 80 oC for 1, 5, 10, 30, and 50 minutes and the results of the fumigation are compared.

Keywords

3D printing

fumigation

ethanol

mechanical properties

PVB

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 30
No :7
Pages :369-375
Received Date : 2020-03-15
Revised Date : 2020-06-19
Accepted Date : 2020-07-05
DOI :https://doi.org/10.3740/MRSK.2020.30.7.369

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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