sandwich structures

Thermoplastic Composite Sandwich Structures for Crash Energy Absorption: Failure Mechanisms and Structural Core Design

Author: [Bruce Zhou]Affiliation: [Jota Machinery Composites Material Prepreg Solution]Corresponding Author: [jotamachinery@gmail.com]Published : March 24 , 2026 Abstract Thermoplastic composite sandwich structures are increasingly adopted in lightweight vehicle architectures due to their high specific energy absorption and rapid manufacturing potential. However, their application in crash-critical components remains limited by unstable failure modes, particularly under dynamic loading […]

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Vacuum-Assisted Induction Welding of Thermoplastic Composite Sandwich Panels: A Process–Structure–Property Study

Author: [Bruce Zhou]Affiliation: [Jota Machinery Composites Material Prepreg Solution]Corresponding Author: [jotamachinery@gmail.com] Abstract This paper presents a comprehensive reconstruction and reinterpretation of the vacuum-assisted induction welding (Vac-IW) process for assembling all-thermoplastic composite sandwich panels. Building upon the experimental observations of localized interface heating, hysteresis-based susceptors, and dual-polymer bonding architectures, this study analyzes how welding speed, susceptor

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