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基于團(tuán)簇和膠粘原子模型的(Fe-Ni)-B-Y-Nb塊體非晶合金
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遼寧省教育廳高??蒲许?xiàng)目(2008030);國家自然科學(xué)基金資助項(xiàng)目(50671018,50631010,50401020)


(Fe-Ni)-B-Y-Nb Bulk Metallic Glasses Based on the Model of Clusters and Glue Atoms
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    摘要:

    應(yīng)用團(tuán)簇+膠粘原子模型在三元Fe-B-Y合金系中設(shè)計(jì)三元合金成分,選擇最密堆的CN10 Archimedes八面體反棱柱Fe8B3作為基本團(tuán)簇,Y為膠粘原子。在此基礎(chǔ)上添加3at%Nb作為微合金化元素形成四元合金。以適量的Ni替換Fe,形成五元合金[(Fe100-xNix)8B3-Y]97-Nb3。結(jié)果表明,當(dāng)Ni的含量小于30at%時(shí),均可形成直徑為2 mm的塊體非晶合金,其中,合金[(Fe94Ni6)8B3-Y]97-Nb 3具有最大的Tg、Tx和Trg值,分別為:884 K、972 K和0.634。

    Abstract:

    Using the model of cluster + glue atom, the ternary bulk metallic glasses (BMG) in Fe-B-Y system was designed, choosing the close-packed Archimedes octahedral antiprism CN-10 Fe8B3 as basic cluster and Y as glue atom. 3at%Nb was added as minor alloying element to form quaternary BMG. Ni was used to substitute for Fe, and a quinary BMG, [(Fe100-xNix)8B3-Y]97-Nb3, was formed. Results show that when Ni is less than 30at% the BMG with diameter of 2 mm can be obtained and the alloy [(Fe94Ni6)8B3-Y]97-Nb3 has the biggest Tg, Tx and Trg which are 884 K, 972 K and 0.634, respectively.

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陳偉榮,韓 光,陳季香,朱春雷,王 清,王英敏,董 闖.基于團(tuán)簇和膠粘原子模型的(Fe-Ni)-B-Y-Nb塊體非晶合金[J].稀有金屬材料與工程,2011,40(2):236~238.[Chen Weirong, Han Guang, Chen Jixiang, Zhu Chunlei, Wang Qing, Wang Yingmin, Dong Chuang.(Fe-Ni)-B-Y-Nb Bulk Metallic Glasses Based on the Model of Clusters and Glue Atoms[J]. Rare Metal Materials and Engineering,2011,40(2):236~238.]
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  • 收稿日期:2010-03-11
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