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Corrosion and discharge performance of Mg-9%Al-2.5%Pb alloy as anode for seawater activated battery 被引量:2
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作者 Min DENG Ri-chu WANG +2 位作者 Yan FENG Nai-guang WANG Lin-qian WANG 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2016年第8期2144-2151,共8页
To obtain a new kind of Mg?Al?Pb alloy anode material with low content of Pb, the corrosion and discharge behavior of Mg?9%Al?2.5%Pb (hereafter in mass fraction) alloy were investigated by immersion tests and electroc... To obtain a new kind of Mg?Al?Pb alloy anode material with low content of Pb, the corrosion and discharge behavior of Mg?9%Al?2.5%Pb (hereafter in mass fraction) alloy were investigated by immersion tests and electrochemical techniques, and compared with those of Mg?6%Al?5%Pb alloy. The results indicate that Mg?9%Al?2.5%Pb alloy exhibits a lower self-corrosion rate and higher utilization efficiency in contrast with Mg?6%Al?5%Pb alloy because of the higher content of Al. As the result of the decrease of Pb content, the discharge activity of Mg?9%Al?2.5%Pb alloy is relatively weaker but still meets the requirement of anode. These results reveal that Mg?9%Al?2.5%Pb alloy with a low content of Pb can serve as a good candidate for the anode material used in seawater activated battery. 展开更多
关键词 mg.al.Pb alloy anode material self-corrosion rate utilization efficiency discharge activity
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Weibull analysis of effect of T6 heat treatment on fracture strength of AM60B magnesium alloy 被引量:2
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作者 A.H.SHEVIDI R.TAGHIABADI A.RAZAGHIAN 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2018年第1期20-29,共10页
The effect of T6heat treatment on the fracture strength and reliability of AM60B alloy was studied.The tensile specimens were poured at three different temperatures of670,685and700?C for different holding times of5,10... The effect of T6heat treatment on the fracture strength and reliability of AM60B alloy was studied.The tensile specimens were poured at three different temperatures of670,685and700?C for different holding times of5,10and15min.The fluidity test was also conducted to determine the fluidity length under different pouring temperatures and holding times.According to the results,the optimum pouring temperature and holding time were determined as685?C and10min,respectively.SEM fractography of the tensile specimens reveals that the entrained oxides and oxide-related porosities are the main factors responsible for the reduction of fracture strength under the non-optimal casting conditions.The Weibull statistical approach was used to quantify the scatter of fracture strength in as-cast and heat-treated conditions.For this purpose,T6schedule was applied to the specimens prepared under the optimal casting condition.It is found that,despite minor effect on the average fracture strength,T6heat treatment improves the reliability of castings,where the Weibull modulus is increased by75%.According to the microstructural and fractography observations,this improvement is related to the evolution of more uniform microstructure and the elimination of coarse brittleβ-particles in heat-treated samples. 展开更多
关键词 mg.al alloy AM60B alloy DIE-CAST Weibull analysis fracture strength FLUIDITY
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