infrared heating Archives

Influence of Heating and Room-Temperature Aging on Prepreg Ply Adhesion in Automated Fiber Placement

Author: [Bruce Zhou]Affiliation: [Jota Machinery Composites Material Prepreg Solution]Corresponding Author: [jotamachinery@gmail.com]Published : December 17 , 2025 Abstract Prepreg ply adhesion prior to cure is a governing factor in the stability and quality of Automated Fiber Placement (AFP) processes for thermoset composite structures. In industrial practice, AFP parameters such as heating, compaction force, and layup speed

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Thermoplastic Composite Sandwich Structures with CF/PEEK Skins and PEI Foam Cores for Aerospace Applications

Author: [Bruce Zhou]Affiliation: [Jota Machinery Composites Material Prepreg Solution]Corresponding Author: [jotamachinery@gmail.com]Published : November 28 , 2025 Abstract This study investigates the development, processing, and mechanical assessment of thermoplastic composite (TPC) sandwich structures designed for structural helicopter components. The work explores a fully thermoplastic architecture in which carbon fibre-reinforced PEEK skins are joined to a PEI

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Reinforcement Learning–Based Temperature Control for Automated Tape Laying of Thermoplastic Prepregs

Author: [Bruce Zhou]Affiliation: [Jota Machinery Composites Material Prepreg Solution]Corresponding Author: [jotamachinery@gmail.com]Published : November 28 , 2025 Abstract Automated tape laying (ATL) of thermoplastic unidirectional (UD) tapes is highly sensitive to temperature fluctuations at the nip point, where tape, substrate and consolidation roller meet. Classical open-loop heater settings and model-based controllers often struggle to compensate for

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