Moulding Hollow Carbon Fibre Parts Using a LowMelt Metal Mandrel

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Product links ► https://www.easycomposites.co.uk/lear... • Further information ▼ • In this composites training video, we demonstrate how low-melting point metal alloys can be used as sacrificial cores/mandrels when manufacturing hollow composite structures. • The process can be used to produce complex hollow structures, such as tubes or frame components by laminating prepreg carbon fibre around a cast metal mandrel, which is then cured at elevated temperature before the temperature is increased further to melt-out the metal core, leaving the hollow composite structure. • For full details on the products used, as well as a step-by-step breakdown of the process, see the project page on the Easy Composites website: • Full Project Details • UK and World ► https://www.easycomposites.co.uk/lear... • EU ► https://www.easycomposites.eu/learnin... • 00:00 Introduction • 02:23 Making The Pattern • 03:05 Setting up Barriers for the Silicone Mould • 06:03 Pouring the Silicone Moulds • 07:52 Casting the Low-Melt Metal Mandrels • 13:37 Laminating the Components • 16:52 Curing the Prepreg • 19:04 Melting Out the Metal Mandrel/Core • 20:15 Finishing Work

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