Effects of physical and chemical ageing on 3D printed poly (ether ether ketone)/poly (ether imide) [PEEK/PEI] blend for aerospace applications

被引：17

作者：

El Magri, Anouar ^{[1
]}

Vaudreuil, Sebastien ^{[1
]}

机构：

[1] Euromed Univ Fes, Euromed Res Ctr, Euromed Polytech Sch, Route Meknes Rond Point Bensouda, Fes 30000, Morocco

来源：

JOURNAL OF MATERIALS SCIENCE | 2023年 / 58卷 / 03期

关键词：

POLY(ETHER IMIDE); CRYSTALLIZATION BEHAVIOR; MECHANICAL-PROPERTIES; MISCIBILITY; PERFORMANCE; KINETICS; GLASS;

D O I：

10.1007/s10853-022-08068-w

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

During service in outdoor environments, or in some application fields, 3D printed polymer-based materials are exposed to various environmental conditions such as moisture, heat, and chemical solvents that may cause significant degradation in properties. The durability of 3D printed high-performance polymer materials under environmental conditions has become an ongoing concern for the industry and researchers due to their increasing use. This study aims to evaluate the effects of physical and chemical aging on the properties of a 3D printed blend of PEEK/PEI. The structural, morphological and mechanical properties of as-printed and aged samples were studied by multiple methods, including FTIR, SEM and tensile tests. Thermal properties of samples were also evaluated through TGA, DSC and DMA analysis. Except for a slight decrease in elastic properties, the PEEK/PEI blend does not exhibit significant changes in tensile strength, degree of crystallinity and thermal properties after 1000 h of physical and chemical aging. The PEEK/PEI blend remained stable after aging under severe conditions similar to those found in a reactor nacelle, conditions to which parts produced by additive manufacturing could be subjected.

引用

页码：1465 / 1479

页数：15

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