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	Electrochemical performance of differential pressure casting Mg-Ni-Pr based amorphous hydrogen alloy
	Peng Hao ; Li Shuangshou ; Huang Tianyou ; Tang Bin
	2010-10-12 ; 2010-10-12
关键词	Experimental/ casting electrochemical analysis magnesium alloys nickel alloys praseodymium alloys/ differential pressure casting electrochemical performance amorphous hydrogen alloy hydrogen absorption capacity copper mold spraying MgNiPr/ E1710 Engineering materials E1520G Forming processes/ MgNiPr/ss Mg/ss Ni/ss Pr/ss
中文摘要	Electrochemical performance of differential pressure casting Mg-Ni-Pr amorphous storage hydrogen alloy was investigated. The results indicate that differential pressure casting can significantly improve the glass formation ability, and critical size of amorphous Mg/sub 65/Ni/sub 21/Pr/sub 14/ alloy is increased from 3 mm in conventional copper mold spraying to 4 mm in differential pressure casting. The maximum hydrogen absorption capacity and effective hydrogen absorption capacity of the amorphous alloy reach 3.62% and 3.48% (weight percentage), respectively, at 573 K. The highest electrochemical capacity makes about 342.6 mA ldr h ldr g/sup -1/ , and it is 302.2 mA ldr h ldr g/sup -1/ after 20 cycles, 88. 2% of the maximum electrochemical capacity, so the cycle stability is higher than other Mg-Ni- Pr based amorphous hydrogen storage alloys.
语种	中文
出版者	Editorial Board of Special Casting & Nonferrous Alloys ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80607]
专题	清华大学
推荐引用方式 GB/T 7714	Peng Hao,Li Shuangshou,Huang Tianyou,et al. Electrochemical performance of differential pressure casting Mg-Ni-Pr based amorphous hydrogen alloy[J],2010, 2010.
APA	Peng Hao,Li Shuangshou,Huang Tianyou,&Tang Bin.(2010).Electrochemical performance of differential pressure casting Mg-Ni-Pr based amorphous hydrogen alloy..
MLA	Peng Hao,et al."Electrochemical performance of differential pressure casting Mg-Ni-Pr based amorphous hydrogen alloy".(2010).

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