Complex architecture fabrication with photosensitive PEEK-based ink via vat photopolymerization and two-step thermal treatment
Source abstract
Abstract
As a semi-crystalline high-performance engineering plastic, Polyetheretherketone (PEEK) has demonstrated significant potential since its inception. However, the ability to fabricate complex structures with PEEK has been constrained by the inherent limitations of extrusion-based 3D printing technologies, such as low resolution, poor surface quality, and insufficient interlayer bonding. We propose a novel photosensitive PEEK-based ink processing method using vat photopolymerization, which leverages high solid-content PEEK ink to achieve high-precision green body fabrication, followed by two-step thermal treatment to enhance the overall performance of the PEEK ink. This study optimizes process parameters focusing on moldability, printing accuracy, material thermal properties, and PEEK crystallinity. Additionally, the material and structural performance were comprehensively evaluated in terms of thermal performance, mechanical strength, and corrosion resistance. This method represents an innovative expansion of PEEK-based composite material processing, allowing the exceptional properties of PEEK to be utilized in more flexible and efficient application scenarios.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Additive Manufacturing and 3D Printing Technologies · Photopolymerization techniques and applications · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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