Ultrasonic-Assisted Impregnation Control in Calendering: A Process Development Approach

Institut

Lehrstuhl für Carbon Composites

Typ

Bachelorarbeit / Semesterarbeit /

Inhalt

 

Beschreibung

Pre-impregnated fiber material, known as towpreg, is increasingly used in Automated Fiber Placement (AFP) processes. Towpregs are manufactured in several stages: First, the fibers are stretched and passed through a drum-type resin bath. As the drum rotates, it applies a thin layer of resin onto the fibers. This resin is then evenly distributed across the fiber surface using heated roller systems. In the next step, the impregnated fibers pass through a calendering system, which further ensures uniform resin distribution. The final product is a spool of pre-impregnated fiber, commonly referred to as towpreg rovings. This process offers several advantages. The improved resin distribution enhances the mechanical strength of the final product. Additionally, the homogeneous impregnation contributes to improved structural stability and better fiber retention.

In this research project, a process will be developed for the ultrasonic treatment of impregnated glass fibers using a calender. The aim is to control the viscosity and improve fiber wetting in subsequent impregnation steps. To identify suitable approaches, an extensive review of current literature on ultrasonic treatment methods will be conducted. When selecting the most appropriate processes, key factors such as implementation time, costs and available resources will be carefully considered. Based on these findings, a concept for integrating ultrasonic treatment into the towpreg manufacturing process will be developed. A concept for experimental validation and optimization of the subsequent fiber impregnation will also be developed.

Research focus of the thesis

• Research on impregnation with ultrasonic treatment
• Evaluation of Feasibility and Associated Costs of ultrasonic treatment
• Creation of an experimental setup
• Selection of testing methods for the analysis of Impregnation
• Analysis of the impregnation of Glass fibers

 

Voraussetzungen

• Reliable and independent way of working

Tags

LCC

Möglicher Beginn

sofort

Kontakt

Christoph Kohler
Raum: 5504.01.426
christoph.kohlertum.de

Ausschreibung