Revisiting Safe Temperature for Environmental Accelerated Aging of Additively Manufactured Polymers

[2608.12288] Revisiting Safe Temperature for Environmental Accelerated Aging of Additively Manufactured Polymers Skip to main content Search Submit Donate Log in Condensed Matter > Soft Condensed Matter arXiv:2608.12288 (cond-mat) [Submitted on 12 Aug 2026 ( v1 ), last revised 27 Aug 2026 (this version, v3)] Title: Revisiting Safe Temperature for Environmental Accelerated Aging of Additively Manufactured Polymers Authors: Kevin LoGiudice , Keven Alkhoury , Nikash Long , Justin Moustouka , Nour Mousbah , Irine Chenwi , James LeBlanc , Vikas Srivastava View PDF HTML (experimental) Abstract: Accelerated aging is widely used to study the long-term behavior of materials within laboratory time scales, particularly for materials exposed to solvent environments over extended periods. This is especially important for additively manufactured (AM) polymers, whose increasing use in naval and commercial undersea applications requires reliable methodologies for assessing durability under in-service conditions. A common approach relies on elevating the temperature below the glass transition or melting temperature to accelerate degradation. However, the temperature limits for accelerated aging of AM polymers remain poorly understood, particularly because temperatures beyond a threshold may activate deformation and degradation mechanisms that are absent under service conditions. To address this gap, this paper investigates fused deposition modeling (FDM) Acrylonitrile Butadiene Styrene (ABS) exposed to saltwater and deionized (DI) water to establish a temperature threshold for accelerated aging in aqueous environments and propose a methodology for determining such thresholds. Controlled geometries and varying print directions were employed to explicitly probe the underlying mechanisms. We show that samples exposed to temperatures above the threshold exhibit pronounced shrinkage and warping along the printing direction due to the relaxation of process-induced internal stresses. These observations establish an accelerated-aging temperature threshold of 50$^\circ$C for ABS, beyond which additional mechanisms absent under service conditions become active. Additionally, the resulting geometric distortions are masked in thick geometries but become highly pronounced in thin structures. Moreover, solvent ionic content strongly influences water uptake, with saltwater reaching saturation in 1 day, whereas DI water did not reach saturation even after 30 days and exhibited greater mass uptake. Subjects: Soft Condensed Matter (cond-mat.soft) Cite as: arXiv:2608.12288 [cond-mat.soft] (or arXiv:2608.12288v3 [cond-mat.soft] for this version) https://doi.org/10.48550/arXiv.2608.12288 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Vikas Srivastava [ view email ] [v1] Wed, 12 Aug 2026 17:33:50 UTC (2,239 KB) [v2] Tue, 18 Aug 2026 14:23:13 UTC (2,239 KB) [v3] Thu, 27 Aug 2026 20:33:33 UTC (2,239 KB) Full-text links: Access Paper: View PDF HTML (experimental) TeX Source view license Current browse context: cond-mat.soft < prev | next > new | recent | 2026-08 Change to browse by: cond-mat References & Citations SciX Google Scholar Semantic Scholar export BibTeX citation Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer ( What is the Explorer? ) Connected Papers Toggle Connected Papers ( What is Connected Papers? ) Litmaps Toggle Litmaps ( What is Litmaps? ) scite.ai Toggle scite Smart Citations ( What are Smart Citations? ) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv ( What is alphaXiv? ) Links to Code Toggle CatalyzeX Code Finder for Papers ( What is CatalyzeX? ) DagsHub Toggle DagsHub ( What is DagsHub? ) GotitPub Toggle Gotit.pub ( What is GotitPub? ) Huggingface Toggle Hugging Face ( What is Huggingface? ) ScienceCast Toggle ScienceCast ( What is ScienceCast? ) Demos Demos Replicate Toggle Replicate ( What is Replicate? ) Spaces Toggle Hugging Face Spaces ( What is Spaces? ) Spaces Toggle TXYZ.AI ( What is TXYZ.AI? ) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower ( What are Influence Flowers? ) Core recommender toggle CORE Recommender ( What is CORE? ) IArxiv recommender toggle IArxiv Recommender ( What is IArxiv? ) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. 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