3D-printed polyether ether ketone samples mechanical properties estimation

Sviridov, A. S.; Lopatina, I. V.; Курганова, Ю. А.

doi:10.1088/1757-899x/589/1/012021

Cited by 12 publications

(10 citation statements)

References 20 publications

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“…These tendencies were observed in the static three-point bending and uniaxial tensile tests. According to [31][32][33], our results obtained for amorphous-form samples are similar. The tensile strength had the same level of value, at about 40 MPa, but the modulus of elasticity was different due to the filling ratio.…”

Section: Discussionsupporting

confidence: 77%

“…An analysis of literature sources [ 31 , 32 , 33 ] also showed the possibility of correcting the exemplary printing modes with the aim to improve their mechanical properties. However, the conducted research provided new information on the influence of the printing positions, structure, and chemical parameters of specimens on the properties of the printed PEEK.…”

Section: Discussionmentioning

confidence: 99%

“…However, in order to clearly determine whether this material is suitable for 3D printing and whether it is possible to improve its biological properties, a series of experiments involving standard test methods [ 29 , 30 ] must be carried out. There are known studies focused on the analysis of printed PEEK samples [ 31 , 32 , 33 ]. Most of them concerned the parameters of the printing process, such as printing speed and temperature, layer thickness, and the degree of filling and laying of layers.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical, Chemical, and Processing Properties of Specimens Manufactured from Poly-Ether-Ether-Ketone (PEEK) Using 3D Printing

et al. 2021

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As part of the experiments herein, the mechanical properties of specimens made of poly-ether-ether-ketone (PEEK) material using 3D printing technology were determined. Two populations of specimens were investigated, the first of which contained an amorphous structure, while the other held a crystal structure. The studies also investigated the influence of the print directionality on the mechanical properties obtained. Static tensile, three-point bending, and impact tests were carried out. The results for the effect of the structure type on the tensile properties showed that the modulus of elasticity was approximately 20% higher for the crystal than for the amorphous PEEK form. The Poisson’s ratios were similar, but the ratio was slightly higher for the amorphous samples than the crystalline ones. Furthermore, the studies included a chemical PEEK modification to increase the hydrophilicity. For this purpose, nitrite and hydroxyl groups were introduced into the chain by chemical reactions. The results demonstrate that the modified PEEK specimens had worse thermoplastic properties than the unmodified specimens.

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Section: Discussionsupporting

confidence: 77%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mechanical, Chemical, and Processing Properties of Specimens Manufactured from Poly-Ether-Ether-Ketone (PEEK) Using 3D Printing

et al. 2021

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“… Void fraction calculated from CT Scan as a function of the printing orientation and scan location [ 110 ]. …”

Section: Figurementioning

confidence: 99%

Fused Filament Fabrication of PEEK: A Review of Process-Structure-Property Relationships

et al. 2020

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Poly (ether ether ketone) (PEEK) is a high-performance engineering thermoplastic polymer with potential for use in a variety of metal replacement applications due to its high strength to weight ratio. This combination of properties makes it an ideal material for use in the production of bespoke replacement parts for out-of-earth manufacturing purposes, in particular on the International Space Station (ISS). Additive manufacturing (AM) may be employed for the production of these parts, as it has enabled new fabrication pathways for articles with complex design considerations. However, AM of PEEK via fused filament fabrication (FFF) encounters significant challenges, mostly stemming from the semi crystalline nature of PEEK and its associated high melting temperature. This makes PEEK highly susceptible to changes in processing conditions which leads to a large reported variation in the literature on the final performance of PEEK. This has limited the adaption of FFF printing of PEEK in space applications where quality assurance and reproducibility are paramount. In recent years, several research studies have examined the effect of printing parameters on the performance of the 3D-printed PEEK parts. The aim of the current review is to provide comprehensive information in relation to the process-structure-property relationships in FFF 3D-printing of PEEK to provide a clear baseline to the research community and assesses its potential for space applications, including out-of-earth manufacturing.

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“…Other works have demonstrated potential in the manufacturing industry for FFF parts. 159 To obtain PEEK parts with the highest tensile strength, it was suggested that they be printed with 100% inll and at an inll direction of AE45 . If PEEK were adapted to the manufacturing industries in FF, modications would be required since the current strength of cast materials are 1.3 times greater.…”

Section: Polyether-derived Polymersmentioning

confidence: 99%

Recent advances in additive manufacturing of engineering thermoplastics: challenges and opportunities

2020

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3D-printed polyether ether ketone samples mechanical properties estimation

Cited by 12 publications

References 20 publications

Mechanical, Chemical, and Processing Properties of Specimens Manufactured from Poly-Ether-Ether-Ketone (PEEK) Using 3D Printing

Mechanical, Chemical, and Processing Properties of Specimens Manufactured from Poly-Ether-Ether-Ketone (PEEK) Using 3D Printing

Fused Filament Fabrication of PEEK: A Review of Process-Structure-Property Relationships

Recent advances in additive manufacturing of engineering thermoplastics: challenges and opportunities

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