Characterization of PA12/PBT specimens prepared by selective laser sintering

被引：29
|
作者：
Salmoria, G. V. [1 ]
Lauth, V. R. [1 ]
Cardenuto, M. R. [1 ]
Magnago, R. F. [1 ,2 ]
机构：
[1] Univ Fed Santa Catarina, Dept Engn Mecan, Lab CIMJECT, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Sul Santa Catarina, BR-88704900 Tubarao, SC, Brazil
来源：
OPTICS AND LASER TECHNOLOGY | 2018年 / 98卷
关键词：
Polymeric specimens; PA12/PBT; Laser sintering; MECHANICAL-PROPERTIES; MICROSTRUCTURAL CHARACTERIZATION; REACTIVE COMPATIBILIZATION; BLEND SPECIMENS; POLYMER BLENDS; ENERGY DENSITY; PARTS; RESIN; PBT;
D O I：
10.1016/j.optlastec.2017.07.044
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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.
引用
收藏
页码：92 / 96
页数：5
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