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Effects of tungsten...
Effects of tungsten and aluminum additions on the formation of molybdenum disilicide by mechanically-induced self-propagating reaction
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- Wang, Xiaohong (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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- Feng, Peizhong (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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- Akhtar, Farid (författare)
- Department of Metallurgical and Materials Engineering, University of Engineering and Technology, Lahore
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- Wu, Jie (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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- Liu, Weisheng (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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- Qiang, Yinghuai (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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- Wang, Zhenzhong (författare)
- School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: Journal of Alloys and Compounds. - : Elsevier BV. - 0925-8388 .- 1873-4669. ; 490:1, s. 388-392
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The effects of tungsten and aluminum additions to Mo–Si system on the formation of MoSi2 by mechanically-induced self-propagating reaction in a high-energy ball mill were investigated by X-ray diffraction. The incubation time for mechanically-induced self-propagating reaction to form MoSi2 was 90 min in Mo–Si system. With the addition of tungsten to Mo–Si system, the incubation time of mechanically-induced self-propagating reaction of (Wx,Mo1−x)Si2 system was prolonged. It was due to the decrease of adiabatic temperature with increase in x, and the mechanically-induced self-propagating reaction was not observed until 150 min of high-energy milling in (Wx,Mo1−x)Si2 powder sample with x equals to 0.4. Conversely, the minor aluminum (y < 0.2 in Mo(Si1−y,Aly)2 system) substituting for silicon had shorten the incubation period and accelerated the reaction. When tungsten and aluminium were added simultaneously to Mo–Si system, the mechanically-induced self-propagating reaction was observed in (W0.1,Mo0.9)(Si0.9,Al0.1)2 sample, but it was not observed in (W0.2,Mo0.8)(Si0.8,Al0.2)2 and (W0.3,Mo0.7)(Si0.7,Al0.3)2 samples.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Engineering Materials
- Materialteknik
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