期刊
OPTICS AND LASER TECHNOLOGY
卷 98, 期 -, 页码 92-96出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2017.07.044
关键词
Polymeric specimens; PA12/PBT; Laser sintering
资金
- PRONEX/FAPESC
- CNPq
- FINEP
In this study the structure and properties of PA12 (Polyamide 12) and PBT (polybutylene terephthalate) blend specimens manufactured by SLS using a CO2 laser were investigated. The microstructures of PA12/PBT blend specimens were found to be dependent on the PBT content. The higher values for the flexural modulus and ultimate strength presented by 90/10 PA12/PBT specimens indicated the hardening effect of low quantities of PBT particles in the PA12 matrix, which provides higher stiffness. The visco-elastic and fatigue test result's for the PA12/PBT 90/10 blend also suggest an elastic characteristic for this blend composition. The potential application in the manufacturing of blend parts with a composition of 90/10 PA12/PBT with high stiffness and fatigue resistance using SLS was verified. (C) 2017 Elsevier Ltd. All rights reserved.
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