Search NASA⌕ Search
Home/Archive/DOE OSTI

DOE OSTI · 3024206

Tunable PA6 Polymer System for Thermoplastic Reinforced Body Panels

Rognerud, Erik [National Laboratory of the Rockies, Golden, CO (United States)]
View original source ↗Read source document ↗Export metadata ↓

Abstract

Project Goal: Overall, a redesigned polyamide system will combine the ductility and processing of a PA6 matrix, the strength and modulus of CF, and the facile recyclability of esters. Approach: PEA can be synthesized under conventional, industrially relevant pathways. Material properties and processing will be analyzed and compared to commercial PA6 material. Results: Polycondensation, traditional for polyesters, was successful in synthesized a PEA. PEA exhibited fast crystallization and bimodal melting behavior suggesting beneficial crystallization kinetics. PEA exhibit reduced melting temperatures owed to the incorporation of ester units in the polymer structure.

Explore related subjects

42 ENGINEERING59 BASIC BIOLOGICAL SCIENCEScarbon fiber reinforced compositesmethanolysispolyester-amidepolymer recyclingvehicle body panels

Keep this discovery

Explore connections, maps & timelines

BibTeXRIS

Rognerud, Erik [National Laboratory of the Rockies, Golden, CO (United States)]. 2026-03-16. Tunable PA6 Polymer System for Thermoplastic Reinforced Body Panels. https://doi.org/10.2172/3024206

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related reports

DOE OSTI2026

Large language models for transportation research: Methodologies, state of the art, and future opportunities

The rapid rise of large language models (LLMs) is transforming transportation research, with significant advancements emerging between 2023 and 2025, a period marked by the inception and swift growth of adopting and adapting LLMs for various transportation applications. Despite these significant advancements, however, a systematic review and synthesis of the existing literature remains lacking. This paper aims to fill this gap by providing a comprehensive review of the methodologies and applications of LLMs in transportation. We explore key applications, including autonomous driving, travel behavior prediction, and general transportation-related queries, alongside LLM methodologies such as zero- or few-shot learning, prompt engineering, and fine-tuning. From the review, critical research gaps are identified. From the methodological perspective, many of the research limitations can be addressed by integrating LLMs with existing tools and refining LLM architectures. From the application perspective, research opportunities for LLMs to address various transportation challenges are also explored. By synthesizing these findings, this review not only presents the state-of-the-art LLM adoption and adaptation in transportation, but also proposes future research directions as well as insights and recommendations for policymakers and practitioners, paving the way for greater LLM-driven research innovations in transportation in the future.

42 ENGINEERING↗