The use of transition joints can be found in marine constructions. A permanent, maintenance free joint between aluminium and steel is essential. Aluminium is being used in shipbuilding to reduce weight. However, it is quite expensive and therefore not used for the complete hull. The hull is mainly steel. Transition joints are used to join aluminium superstructures to steel decks or to joint aluminium decks to steel hulls.
When the tankers are in use, the transition joints will bear both the weight of the filled cargo tanks and the dynamic forces created by the ship's motion at sea. The aluminum skirt supporting each DNVGL-CP-0245 Clad steel and steel-aluminium RU SHIP Pt.2 Ch.2 Sec.4  Clad steel plates RU SHIP Pt.2 Ch.2 Sec.4  Steel-aluminium transition joints The product(s) used for approval testing (see Sec.3) will place limitations on the range of approval. The approval will be limited to (see App.A):each process each combination of materials (steel type groups) each condition of
Jul 03, 1991 · Aluminum-to-steel explosion-welded transition joints are used to attach aluminum superstructures to steel hulls. Transition joint bond separation sometimes occurs during ship construction. Ingalls Shipbuilding conducted a long-term study to determine causes and corrective action for these separations. Aluminum/steel transition joints are manufactured by the explosion-bonding Shipbuilding aluminum steel bi metal transition joints Aluminum steel transition joints installation process:The aluminum steel clad plate is composed of three layers of different material structures. The base layer is welded with the marine joint steel, the composite layer and the aluminum alloy plate are welded, and the intermediate layer plays a role of transitional connection.
Feb 28, 2010 · Steel/Aluminium Transition Joint & repairs/patches to the superstructure. Heres a random one for the more technical minded! As we all know, the superstructure of QE2 is made of welded aluminium, and the hull of welded steel. At the point where the two meet was a transition joint required to stop the two metals reacting with each other, this Transition Joint for dissimilar metals - CCJCCJTM. Asahi Kasei's bimetallic transition joint, CCJTM, is used to connect aluminum to stainless steel pipe. With its high reliability under the cryogenic condition and leakage resistance, it has been installed in many equipment all over the world. CCJTMis manufactured specifically for connection of dissimilar metals for use in cryogenic or high-vacuum lines, by machining explosion-bonded multi-layered
TriClad® is a structural transition joint that helps shipbuilders build the most solid ship possible. When problems arise with joining dissimilar metals, this structural transition joint is the perfect solution. TriClad is used for joining structures that are made from dissimilar metals, like an aluminium structure to a steel structure. TriClad® is the best product to save money on both construction and maintance. Triplate aluminium/steel transition jointTriplate aluminium/steel transition joint is a high-quality material that uses explosive welding technology to weld aluminum and steel, most commonly used in shipbuilding as a transition joint for hull structures. Triplate aluminium/steel transition joint is generally composed of a three-layer structure:steel, pure aluminum and seawater resistant aluminum alloy.
Compared with traditional rivets or bolted connections, the use of aluminum-steel structural transition joints can directly achieve the connection between aluminum alloys and steel structures by welding, without the need for drilling and other tasks.
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