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    Extrusion Process for 3D printer Application

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    Abstract (388.7Kb)
    Date
    2015
    Author
    Somthida Likhitlert
    Pimolpun Niamlang
    Teerin Kongpun
    Bawornkit Nekhamanurak
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    Abstract
    This research aims to study properties of PLA filament for 3D printer. Melt flow property and thermal properties were investigated. Melt flow index of PLA filament is 12.84±0.72 g/10min. The degradation temperature of PLA filament is approximately 365 ºC and the melting temperature (Tm) of PLA filament is 171 ºC. The melt flow property of commercialized PLA; PLA3025D, is nearby PLA filament. The single screw extruder was used to process PLA 3025D to PLA 3025D_F filament. Melt flow property of PLA 3025D_F filament is comparable to PLA filament. For glass transition temperature, cold crystallization temperature, melting temperature and degree of crystallization of PLA3025D_F are slightly lower than PLA filament. However, PLA3025D_F can be processed by 3D printer. The feature of PLA3025D_F prototype is similar to PLA filament. Moreover, cost of PLA3025D_F filament is lower than PLA filament about 10 times.
    URI
    http://repository.rmutr.ac.th/123456789/379
    http://localhost:8080/xmlui/handle/123456789/379
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