Multi-phase nanocrystalline Al alloy with superior strength and modulus at elevated temperatures

H. Luo; L. C. Zhang; L. Shaw

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Multi-phase nanocrystalline Al alloy with superior strength and modulus at elevated temperatures

机译：高温下具有优异强度和模量的多相纳米晶铝合金

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A multiphase nanocrystalline Al93Fe3Cr2Ti2 alloy containing 30 vol% intermetallic particles was prepared via mechanical alloying, followed by hot extrusion. Systematic compressive tests and modulus measurements were performed as a function of temperature and strain rate. High strengths and moduli at both ambient and elevated temperatures were demonstrated. The results clearly indicated that the multiphase nanocrystalline Al93Fe3Cr2Ti2 alloy has great potential for structural applications. Furthermore, the strength of the multiphase nanocrystalline Al alloy at both room and elevated temperatures increased with the decrease in the grain size, suggesting that diffusional creep is suppressed in this alloy, even though the grain size of the alloy is below 100 nm.

机译：通过机械合金化，然后热挤压，制备了含有30％（体积）金属间化合物的多相纳米晶Al93 Fe3 Cr2 Ti2 合金。根据温度和应变率进行系统的压缩测试和模量测量。证明了在环境温度和高温下均具有高强度和模量。结果清楚地表明，多相纳米晶Al93 Fe3 Cr2 Ti2 合金具有广阔的结构应用潜力。此外，多相纳米晶体铝合金在室温和高温下的强度都随着晶粒尺寸的减小而增加，这表明即使该合金的晶粒尺寸小于100nm，该合金中的扩散蠕变也得到抑制。

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来源
《Journal of Materials Engineering and Performance》 |2005年第4期|441-447|共7页
作者
H. Luo; L. C. Zhang; L. Shaw;
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作者单位

Department of Materials Science and Engineering Institute of Materials Science University of Connecticut Storrs CT;

Department of Materials Science and Engineering Institute of Materials Science University of Connecticut Storrs CT;

Department of Materials Science and Engineering Institute of Materials Science University of Connecticut Storrs CT;

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正文语种 eng
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aluminum alloy; elevated temperature; nanostructured materials; strength;

机译：铝合金;高温;纳米结构材料;强度;

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1. Multi-Phase Nanocrystalline Al Alloy with Superior Strength and Modulus at Elevated Temperatures [J] . H. Luoa, L.C. Zhang, L. Shaw Journal of Materials Engineering and Performance . 2005,第4期

机译：高温下具有优异强度和模量的多相纳米晶铝合金
2. Superior strength and ductility of the Al-Cu alloys inoculated by Zr-based metallic glass at elevated temperatures [J] . Zhihao Bai, Feng Qiu, Yingying Liu, Materials Science and Engineering . 2015,第OCTa1期

机译：Zr基金属玻璃在高温下接种Al-Cu合金的优异强度和延展性
3. Superior magnetic softness at elevated temperature of Si-rich Fe-based nanocrystalline alloy [J] . Rui-min Shi, Zhi Wang, Yun-yun Jia, Journal of Applied Physics . 2012,第8期

机译：富硅铁基纳米晶合金在高温下的优异磁软度
4. Nanocrystalline Copper-Based Alloys for High Strength at Elevated Temperatures [C] . Richard L. Schalek, Robert J. DeAngelis World Congress on Powder Metallurgy Particulate Materials . 1996

机译：纳米晶体铜基合金，高强度高温下
5. Oxidation behavior of nickel-base superalloys and High Strength Low Alloy (HSLA) steels at elevated temperatures. [D] . Talekar, Anjali S. 2008

机译：镍基高温合金和高强度低合金（HSLA）钢在高温下的氧化行为。
6. Plasticity of nanocrystalline alloys with chemical order: on the strength and ductility of nanocrystalline Ni–Fe [O] . Jonathan Schäfer, Karsten Albe 2013

机译：具有化学顺序的纳米晶合金的可塑性：关于纳米晶镍铁的强度和延展性
7. Correction to: Structure and magnetic properties of mechanically alloyed nanocrystalline Fe-46 at. Co-34 at. Ni-20 at. alloy powder from cryogenic to elevated temperatures [O] . Ganesh Varma Thotakura, Anuj Rathi, Tanjore V. Jayaraman 2019

机译：校正：机械合金纳米晶Fe-46的结构和磁性。％Co-34。％Ni-20。％合金粉末来自低温至升高的温度

Multi-phase nanocrystalline Al alloy with superior strength and modulus at elevated temperatures

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