Compatibility of carbon filaments with a carbide coating and an aluminum matrix

Isaikin, A. S.; Чубаров, В. М.; Trefilov, B. F.; Silaev, V. A.; Gorelov, Yu. A.

doi:10.1007/bf00779433

Cited by 37 publications

(3 citation statements)

References 3 publications

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“…The change in free energy (ΔG) for this reaction is given by the following equation [17]: (3) where a Si is the silicon chemical activity in molten aluminium, R the universal gas constant and T the absolute temperature (K). Eq.…”

Section: -Results and Discussionmentioning

confidence: 99%

Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites

et al. 2015

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Section: -Results and Discussionmentioning

confidence: 99%

Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites

et al. 2015

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“…The change in free energy (Δ G ) for this reaction is given by the following equation: ( Isaikin et al ., 1980 )…”

Section: Introductionmentioning

confidence: 99%

Scanning and transmission electron microscopy study of the microstructural changes occurring in aluminium matrix composites reinforced with SiC particles during casting and welding: interface reactions

Ureña¹,

Jm²,

Gil³

et al. 1999

Journal of Microscopy

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Processing of aluminium matrix composites (AMCs), especially those constituted by a reactive system such as Al-SiC, presents great difficulties which limit their potential applications. The interface reactivity between SiC and molten Al generates an aluminium carbide which degrades the composite properties. Scanning and transmission electron microscopes equipped with energy-dispersive X-ray spectroscopes are essential tools for determining the structure and chemistry of the Al-SiC interfaces in AMCs and changes occurring during casting and arc welding. In the present work, an aluminium-copper alloy (AA2014) reinforced with three different percentages of SiC particles was subjected to controlled remelting tests, at temperatures in the range 750-900 degrees C for 10 and 30 min. Arc welding tests using a tungsten intert gas with power inputs in the range 850-2000 W were also carried out. The results of these studies showed that during remelting there is preferential SiC particle consumption with formation of Al4C3 by interface reaction between the solid SiC particle and the molten aluminium matrix. The formation of Al4C3 by the same mechanism has also been detected in molten pools of arc welded composites. However, in this case there was formation of an almost continuous layer of Al4C3, which protects the particle against further consumption, and formation of aciculate aluminium carbide on the top weld. Both are formed by fusion and dissolution of the SiC in molten aluminium followed by reaction and precipitation of the Al4C3 during cooling.

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“…When the Si addition exceeded some content, which is called the equilibrium Si content, the G value becomes zero or positive, meaning that the degree of reaction can become slight or even stop with the increase of Si content in the aluminum. In recent years, many researcher have made an attempt to find the equilibrium Si content required to prevent the interfacial reaction at various processing temperatures both using the experimental methods and theoretical calculation [8,9,[15][16][17][18]. In our previous work, the effect of the Si content on the interfacial reaction between SiC and Al was also studied by X-ray and TEM, as shown in Fig.…”

Section: Tem Of the Interface Between Sic And Al Matrixmentioning

confidence: 98%

Effect of controlled interfacial reaction on the microstructure and properties of the SiCp/Al composites prepared by pressureless infiltration

Ren

et al. 2008

Journal of Alloys and Compounds

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Compatibility of carbon filaments with a carbide coating and an aluminum matrix

Cited by 37 publications

References 3 publications

Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites

Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites

Scanning and transmission electron microscopy study of the microstructural changes occurring in aluminium matrix composites reinforced with SiC particles during casting and welding: interface reactions

Effect of controlled interfacial reaction on the microstructure and properties of the SiCp/Al composites prepared by pressureless infiltration

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