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非晶合金微觀結(jié)構(gòu)的不均勻性與塑性
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國家自然科學(xué)基金資助(50771064；50831003)


Correlation between Microscopically Structural Inhomogeneity and the Plasticity in Amorphous Alloy
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    摘要:

    塊體非晶合金用于工程結(jié)構(gòu)材料的優(yōu)勢在于其高強(qiáng)度和高彈性應(yīng)變，瓶頸在于其缺乏塑性。近期的研究進(jìn)展表明，在非晶合金中引入微觀結(jié)構(gòu)的不均勻性，可以獲得良好的室溫塑性。本文綜述了塊體非晶合金中各種微觀結(jié)構(gòu)不均勻性的形成條件、表征手段以及微觀結(jié)構(gòu)不均勻性與剪切帶行為和塑性的關(guān)系，討論了制備條件和合金成分對非晶合金微觀結(jié)構(gòu)和塑性的影響，并提出了非晶領(lǐng)域未來需要解決的幾個重要問題

    Abstract:

    The application of bulk amorphous alloys as structural materials is favored by their high strength and high elastic strain, but limited by their lack of plasticity. However, recent research advances show that the introduction of microscopically structural inhomogeneities results in excellent room-temperature plasticity of amorphous alloys. Various microstructural inhomogeneities in bulk amorphous alloys are reviewed in the present paper, with emphasis on their forming conditions, characterization techniques and correlations between shear banding behavior and plasticity. Influences of preparing conditions and chemical compositions on microstructure and plasticity of amorphous alloys are discussed. Finally, some unresolved fundamental issues in the amorphous field are highlighted

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盧斌峰,李金富,周堯和.非晶合金微觀結(jié)構(gòu)的不均勻性與塑性[J].稀有金屬材料與工程,2011,40(7):1305~1310.[Lu Binfeng, Li Jinfu, Zhou Yaohe. Correlation between Microscopically Structural Inhomogeneity and the Plasticity in Amorphous Alloy[J]. Rare Metal Materials and Engineering,2011,40(7):1305~1310.]
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  • 收稿日期:2010-07-18
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