Adhesives hold huge catamaran together
A
Huntsman Advanced Materials product story
Edited by the Engineeringtalk editorial team
Jul 1, 2008
To achieve the levels of component endurance and performance required in one of the world's toughest yacht races, Marstrom Composite's engineers used Araldite products to complete the boat.
Marstrom Composite has been working with Huntsman Advanced Materials, ABIC Kemi and GA Lindberg, to build the largest catamaran in the world for Roman Paszke, a famous Polish yachtsman.
The boat will be used to try and establish a new speed record around the world in the Jules Verne Trophy competition.
The catamaran is approximately 30m long and 15m wide with a deck area of 405m2.
The boat is is made from epoxy prepregs and honeycomb, weighing only 8ton.
To achieve the levels of component endurance and performance required in one of the world's toughest yacht races, Marstrom Composite's engineers used a range of Araldite products to complete the boat.
Araldite 420, a two component epoxy adhesive which is particularly moisture-resistant, has been used as a primer to get better adhesion with the Araldite LY 5052/Aradur 5052 laminating system, which has been used to bond the deck to the hull body.
The Araldite 2014 and Araldite 2015 high-performance structural adhesives have been used to bond many other details on the boat and Araldite 204 epoxy has been used to fill up and reinforce the honeycomb cells.
"We use Araldite for such a wide range of applications because we have always had very good results from these products", said Per Warn, CEO of Marstrom Composites.
"All the materials we used have to meet very tough criteria".
"Not only do they have to obviously be waterproof - and salt water resistant too - but temperature is always an issue for us".
"Many black carbon fibre parts reach very high temperatures in the sun".
"Component and joint strength are also critical, the stress in joints often reaches maximum levels due to bending or shear strength".
Araldite LY 5052/Aradur 5052 is a cold curing epoxy system.
It offers low viscosity and long pot life (two hours at ambient temperature), allowing ample time for processing large components.
Laminates produced using this system show outstanding mechanical and dynamic properties, making them ideal for high-stress environments such as marine and aerospace applications.
Araldite 204 is a one-component foaming adhesive which come is an extrudable paste form.
It is designed to bond and fill segments of honeycomb material.
Once cured, Araldite 204 provides excellent shear strength and helps maintain the integrity of the honeycomb structure.
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