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Microstructural evo...
Microstructural evolution of Al-Ni-Y powders an with different sizes
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Liu, Y. (författare)
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Guo, Sheng, 1981 (författare)
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Liu, Z. M. (författare)
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visa fler...
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Du, Y. (författare)
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Huang, B. Y. (författare)
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Huang, J. S. (författare)
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Chen, S. Q. (författare)
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Liu, F. X. (författare)
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visa färre...
- 2005
- 2005
- Engelska.
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Ingår i: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques. - 0044-3093. ; 96:1, s. 83-88
- Relaterad länk:
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https://research.cha...
Abstract
Ämnesord
Stäng
- An Al-10Ni-8Y (at.%) alloy was atomized by Ar gas atomization in a close-coupled nozzle atomizer. The microstructure, phase composition, and thermal stability of the as-atomized powder were investigated by scanning electron microscopy, transmission electron microscopy, X-ray diffraction analysis and differential scanning calorimetry. Activation energies for different crystallization reactions were calculated using both Kissinger and Ozawa methods. The supercooled liquid region DeltaT(x) (= T(x) - T(g), where T(x) and T(g) are crystallization onset temperature and glass transition temperature, respectively) was detected to be in the range of 14-24 K. Also presented were attempts to determine the critical particle size for amorphous structure.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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