静压下扩散反应形成块状Al-Fe(Mo,Si,B)纳米合金

金属学报

1995, Vol. 31

Issue (17): 220-225

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静压下扩散反应形成块状Al-Fe(Mo,Si,B)纳米合金

姚斌;丁炳哲;李冬剑;王爱民;胡壮麒

中国科学院金属研究所快速凝固非平衡合金国家重点实验室;四平师范学院

PREPARATION OF BULK Al-Fe(MO, Si, B)NANOSTRUCTURED ALLOY BY DIFFUSION REACTION UNDER HIGH PRESSURE

YAO Bin; (Institute of Metal Research; Chinese A cademy of Sciences; Shenyang 110015）DING Bingzhe; LI Dongjian; WANG Aimin; HU Zhuangqi (State Key Laberatory for RSA; Institute of Metal Research; Chinese Acadeimy of Sciences; Shenyang 110015)(Siping Normal College; Siping 136000)

引用本文:

姚斌;丁炳哲;李冬剑;王爱民;胡壮麒. 静压下扩散反应形成块状Al-Fe(Mo,Si,B)纳米合金[J]. 金属学报, 1995, 31(17): 220-225.
, , , , . PREPARATION OF BULK Al-Fe(MO, Si, B)NANOSTRUCTURED ALLOY BY DIFFUSION REACTION UNDER HIGH PRESSURE[J]. Acta Metall Sin, 1995, 31(17): 220-225.

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摘要: 在静压３ＧＰａ，５７０－８５０℃下、对熔融Ａｌ与固态非晶（Ｆｅ０．９９，Ｍｏ０．０１）７８Ｓｉ９Ｂ１３进行界面扩散反应，于８００－８３０℃：加热２０ｍｉｎ。制备出单相Ａｌ－Ｆｅ（Ｍｏ，Ｓｉ，Ｂ）纳米合金块，其晶体结构属正交晶系，平均晶粒度为２２ｎｍ。具有较好的热稳定性，ＨＶ为６．９ＧＰａ．

关键词 ：扩散反应, 纳米合金, 静高压

Abstract：A study on the diffusion reaction of melted Al and (Fe0.99, Mo0.01)78Si9B13 amopohous alloy was carried out under a pressure of 3 GPa at temperature ranging from 570 to 850℃. A bulk Al-Fe(Mo,Si,B) nanostructured alloy composed of a single phase was prepared by heating alternate layers of (Fe0.99, M0.01)78S9B13 amorphous ribbons and pure Al sheets for 20 min under a pressure of 3 GPa at temperatures of 800 to 830℃. Its mean grain size is 22 nm and its lattice is orthorhombic. Its thermostability is fairly good and its hardness is 6.9 GPa.

Key words： diffusion reaction nanostructured alloy high pressure

基金资助:国家自然科学基金

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