Among Al alloys,particularly 5000 series Al Mg and 6000 series Al Mg Si often used as marine materials have excellent corrosion resistance,low melting point,and thereby showing recycling availability when compared to ...Among Al alloys,particularly 5000 series Al Mg and 6000 series Al Mg Si often used as marine materials have excellent corrosion resistance,low melting point,and thereby showing recycling availability when compared to other metals.Variety experiments were conducted to select the most suitable material for marine environments.All electrochemical experiments were conducted in natural seawater.The corrosion test was performed in many methods such as anodic/cathodic polarization and Tafel analysis using multi-channel potentio/galvanostat WMPG 1000.As results,anodic and cathodic polarization behaviors indicate the characteristics of passive state and concentration polarization by reduction reaction in dissolved oxygen,which shows excellent electrochemical behaviors.Tafel analysis results show no significant difference but 5052-O alloy of various alloy materials indicates the lowest corrosion current density.Therefore,5052-O Al alloy presents most anti-corrosion material in marine environment.展开更多
Through the analysis of field situation, combined with the design principle of golf cart and parameters of a cart at home and abroad, the overall plan and the high-strength aluminum truss performance as a vehicle fram...Through the analysis of field situation, combined with the design principle of golf cart and parameters of a cart at home and abroad, the overall plan and the high-strength aluminum truss performance as a vehicle frame are determined. Through the unique look and braking system integrated with brake and parking, finally a novel upscale golf cart is developed展开更多
基金Project supported by the Cooperative Promotion Center of Science & Technology of JEONNAM TECHNOPARKMinistry of Education,Science and Technology(MEST)through"The research & development support of JEONNAM southwest science park"
文摘Among Al alloys,particularly 5000 series Al Mg and 6000 series Al Mg Si often used as marine materials have excellent corrosion resistance,low melting point,and thereby showing recycling availability when compared to other metals.Variety experiments were conducted to select the most suitable material for marine environments.All electrochemical experiments were conducted in natural seawater.The corrosion test was performed in many methods such as anodic/cathodic polarization and Tafel analysis using multi-channel potentio/galvanostat WMPG 1000.As results,anodic and cathodic polarization behaviors indicate the characteristics of passive state and concentration polarization by reduction reaction in dissolved oxygen,which shows excellent electrochemical behaviors.Tafel analysis results show no significant difference but 5052-O alloy of various alloy materials indicates the lowest corrosion current density.Therefore,5052-O Al alloy presents most anti-corrosion material in marine environment.
文摘Through the analysis of field situation, combined with the design principle of golf cart and parameters of a cart at home and abroad, the overall plan and the high-strength aluminum truss performance as a vehicle frame are determined. Through the unique look and braking system integrated with brake and parking, finally a novel upscale golf cart is developed
