Welding Test Investigation of Aluminum Alloy-Steel Transition Joint for Ship Craft

The relationship of interface temperature and interface integrative strength in welding is analyzed through simulative postweld heat treatment tests,and welding procedure tests of aluminum alloy-steel transition joint for ship craft are carried out based on the relationship above. The test results indicate that metallurgical structures and mechanical properties of aluminum alloy-steel transition joint are able to meet requirements of relevent standards and the customer.