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	Electrodeposition and structure of Ni-W-B amorphous alloy
	Huang,L ; Yang,FZ ; Xu,SK ; Zhou,SM ; Niu,ZJ ; Cao,GM ; Yang FZ(杨防祖)
	2001-03
关键词	NICKEL-TUNGSTEN ALLOYS CHROMIUM
英文摘要	The electrodeposition of Ni-W-B alloy and the composition, structure and microhardness of the deposits were studied by means of electrochemical techniques. XPS, DSC and XRD. The results showed that Ni-W-B alloy electrodeposit has a lower electrochemical activity compared with Ni-W alloy. Ni-W-B allow electrodeposition was accompanied by th electroless deposition of Ni and incorporation of Na2B4O7 in the deposit. The composition of Ni-W-B alloy deposit was not remarkably affected by changes of sodium tungstate concentration and the maximum electrodeposition current efficiency was 49.9% in the electrolyte solution with [W]/[W]+[Ni] mole ratio at 0.65. The Ni-W allow obtained was present in a nanocrystalline structure, Ni-W-B was amorphous. Treatment at 400 degreesC for 2 hours caused coarsening of grain size, phase evolution for the Ni-W-B alloy and increase of microhardnesses.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/62424]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Huang,L,Yang,FZ,Xu,SK,et al. Electrodeposition and structure of Ni-W-B amorphous alloy[J],2001.
APA	Huang,L.,Yang,FZ.,Xu,SK.,Zhou,SM.,Niu,ZJ.,...&杨防祖.(2001).Electrodeposition and structure of Ni-W-B amorphous alloy..
MLA	Huang,L,et al."Electrodeposition and structure of Ni-W-B amorphous alloy".(2001).

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