Aufsatz
Overmoulding of Additively Manufactured Titanium Inserts Using Polyoxymethylene (POM)—Evaluation of Bond Quality as a Function of Process Parameters
Zusammenfassung
Due to their process-induced porous surfaces, additively manufactured structures are not optimized for applications in which friction is a key factor. To improve the frictional properties of additively manufactured titanium inserts of various thicknesses, two tribologically optimized POM materials, which differ in terms of filler composition and contents, were used to overmould the inserts. The titanium inserts were manufactured in two different building directions, resulting in a variation in surface roughness. The main challenge with respect to overmoulding is to maintain an even, thin plastic layer on the titanium insert. In order to evaluate the adhesion between plastic and metal, the interface is examined by optical microscopy and assessment of the peeling resistance. The peeling test shows that the overmoulded titanium inserts with a higher surface roughness are characterized by a higher peeling resistance. It is further revealed that the POM material with a special filler concept shows superior peeling resistance.
Zitierform
In: Journal of Composites Science Volume 5 / Issue 6 (2021-06-15) eissn:2504-477XZitieren
@article{doi:10.17170/kobra-202307288528,
author={Liese, Teresa and Richter, Julia and Niendorf, Thomas and Ries, Angela},
title={Overmoulding of Additively Manufactured Titanium Inserts Using Polyoxymethylene (POM)—Evaluation of Bond Quality as a Function of Process Parameters},
journal={Journal of Composites Science},
year={2021}
}
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2023-08-01T13:57:25Z 2023-08-01T13:57:25Z 2021-06-15 doi:10.17170/kobra-202307288528 http://hdl.handle.net/123456789/14960 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ hybrid material mechanical testing microstructure injection moulding 3D-printing 620 Overmoulding of Additively Manufactured Titanium Inserts Using Polyoxymethylene (POM)—Evaluation of Bond Quality as a Function of Process Parameters Aufsatz Due to their process-induced porous surfaces, additively manufactured structures are not optimized for applications in which friction is a key factor. To improve the frictional properties of additively manufactured titanium inserts of various thicknesses, two tribologically optimized POM materials, which differ in terms of filler composition and contents, were used to overmould the inserts. The titanium inserts were manufactured in two different building directions, resulting in a variation in surface roughness. The main challenge with respect to overmoulding is to maintain an even, thin plastic layer on the titanium insert. In order to evaluate the adhesion between plastic and metal, the interface is examined by optical microscopy and assessment of the peeling resistance. The peeling test shows that the overmoulded titanium inserts with a higher surface roughness are characterized by a higher peeling resistance. It is further revealed that the POM material with a special filler concept shows superior peeling resistance. open access Liese, Teresa Richter, Julia Niendorf, Thomas Ries, Angela 15 Seiten doi:10.3390/jcs5060159 Hybridwerkstoff Mechanische Prüfung Spritzgießen 3D-Druck publishedVersion eissn:2504-477X Issue 6 Journal of Composites Science Volume 5 false 159
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