海洋工程用钛合金研究与应用现状

钛合金因其比强度高、耐海水腐蚀、耐高温等优异性能,被广泛应用于海洋工程装备领域.简要介绍了海洋服役环境的特点,综述了钛合金在海洋工程上的应用现状,并从疲劳强度、蠕变性能、焊接性能、断裂韧性等方面分析了海洋工程用钛的选材要素.俄罗斯、美国已建立完整的海洋工程装备用钛合金体系,并成功将钛合金应用于潜艇、海底管道、深潜器耐压...

Research and Application Status of Titanium Alloys for Marine Engineering

Titanium alloy is widely used in the field of marine engineering equipment because of its excellent properties such as high specific strength,excellent corrosion resistance and high temperature resistance.The characteristics of marine service environment is briefly introduced,and the application status of titanium alloy in marine engineering is reviewed.The material selection elements of titanium alloy for marine engineering are analyzed,which included fatigue strength,creep resistance,welding performance and fracture toughness.Russia and United States have established complete titanium alloy system for marine engineering equipment.And titanium alloy has been successfully applied to submarines,submarine pipelines,pressure shells of deep submersibles and so on.Although China has initially established titanium alloy systems with different strength levels for marine engineering,there is still a big gap compared with foreign countries.In the future,the basic research of titanium alloy should be strengthening and gradually improve titanium alloy system for marine engineering in our country.