GRAIN REFINEMENT OF ALUMINIUM USING NIOBIUM ADDITIONS.

被引：0
|
作者：
Clyne, T.W.
Nazar, A.M.M.
Prates, M.
Davies, G.J.
机构：
来源：
| 1978年 / 5卷 / pt 9期
关键词：
NIOBIUM AND ALLOYS;
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学科分类号：
摘要：
An investigation was made into the behavior of niobium as a grain-refining agent in aluminum. It was found that highly effective refinement could be obtained at moderate overall Nb levels of around 0. 1 wt-% and above. These satisfactory results were obtained, however, when inoculation was carried out using additions of a master alloy (Al-5Nb), which contained about 5 vol. -% of Al//3Nb intermetallic particles embedded in the matrix. Other forms of addition were found to be less effective.
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页码：302 / 308
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