Fatigue Behavior of FDM Parts Manufactured with Ultem 9085

M. Fischer, V. Schoeppner, in: 27th Annual International Solid Freeform Fabrication Symposium , 2016, pp. 563–568.

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Conference Paper | English
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Abstract
The mechanical characterization of fused deposition modeling (FDM) parts is mostly done by static tests. In many applications, parts are also dynamically loaded. Here, fatigue tests can help to identify the expected lifetime of a part. This article discusses the fatigue behavior of FDM specimens manufactured with Ultem 9085. For this, tensile bars are manufactured according to ASTM D638 in different build orientations. Tests are performed in a range of pulsating tensile stresses, and S-N curves are documented for different build orientations. For higher loads, the FDM anisotropy characterizes the lifetime of used specimens, which is similar to static tensile bars. For lower loads, including a higher number of cycles to failure, S-N curves of different build orientations converge. In further tests, tensile bars were chemically smoothed with chloroform vapor. Chemical smoothing reduces surface roughness and increases tensile strength of specimens in the upright build direction. Fatigue tests of chemically treated specimens show no significant lifetime increase.
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Proceedings Title
27th Annual International Solid Freeform Fabrication Symposium
Volume
27
Page
563–568
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Fischer M, Schoeppner V. Fatigue Behavior of FDM Parts Manufactured with Ultem 9085. In: 27th Annual International Solid Freeform Fabrication Symposium . Vol 27. ; 2016:563–568. doi:10.1007/s11837-016-2197-2
Fischer, M., & Schoeppner, V. (2016). Fatigue Behavior of FDM Parts Manufactured with Ultem 9085. In 27th Annual International Solid Freeform Fabrication Symposium (Vol. 27, pp. 563–568). https://doi.org/10.1007/s11837-016-2197-2
@inproceedings{Fischer_Schoeppner_2016, title={Fatigue Behavior of FDM Parts Manufactured with Ultem 9085}, volume={27}, DOI={10.1007/s11837-016-2197-2}, booktitle={27th Annual International Solid Freeform Fabrication Symposium }, author={Fischer, M. and Schoeppner, V.}, year={2016}, pages={563–568} }
Fischer, M., and V. Schoeppner. “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085.” In 27th Annual International Solid Freeform Fabrication Symposium , 27:563–568, 2016. https://doi.org/10.1007/s11837-016-2197-2.
M. Fischer and V. Schoeppner, “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085,” in 27th Annual International Solid Freeform Fabrication Symposium , 2016, vol. 27, pp. 563–568.
Fischer, M., and V. Schoeppner. “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085.” 27th Annual International Solid Freeform Fabrication Symposium , vol. 27, 2016, pp. 563–568, doi:10.1007/s11837-016-2197-2.

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