INCORPORATION OF SIC PARTICULATE INTO ALUMINUM MELT

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TAHERI NASAJ E.

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Journal Paper

Paper Information

Journal: MODARES TECHNICAL AND ENGINEERING Year:2001 | Volume:- | Issue:5 Page(s): 50-40

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Title

INCORPORATION OF SIC PARTICULATE INTO ALUMINUM MELT

Author(s)

TAHERI NASAJ E. | Issue Writer Certificate

Keywords

COMPOSITE

SILICON CARBIDE PARTICLE

WETTABILITY

INCORPORATION

ALLOYING ELEMENTS

Abstract

In this article the effects of ALLOYING ELEMENTS on dispersion of α- SiC particulates into aluminum melt were investigated. The time required for INCORPORATION of α - SiC particulate into aluminum melt was defined as INCORPORATION time. The INCORPORATION time of SiC can be shortened by adding Mg or by adding Ti and Sn. These ALLOYING ELEMENTS have a strong affinity for SiC and are able to form silicide as a result of reaction with SiC. Magnesium silicide was detected by EPMA, although the existence of .titanium silicide could not be confirmed. The INCORPORATION time of SiC was prolonged by adding Zn, Cu and Sn which have no affinity for SiC. Moreover, particulate dispersion is considerably influenced by surface - active elements. The INCORPORATION time of SiC particulate was shortened by adding Li which is a surface - active element with strong affinity for SiC, whereas it was prolonged by adding surface - active elements with weak affinity for SiC such as Pb and Bi. This is probably because Pb and Bi adsorb at the interface and hinder the wetting of SiC particulate by aluminum melt. The addition of Si to aluminum prolonged the INCORPORATION time of SiC, because the dissociation of SiC, that might be necessary for good wetting, was retarded by the existence of Si.

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APA: Copy

TAHERI NASAJ, E.. (2001). INCORPORATION OF SIC PARTICULATE INTO ALUMINUM MELT. MODARES TECHNICAL AND ENGINEERING, -(5), 50-40. SID. https://sid.ir/paper/534572/en

Vancouver: Copy

TAHERI NASAJ E.. INCORPORATION OF SIC PARTICULATE INTO ALUMINUM MELT. MODARES TECHNICAL AND ENGINEERING[Internet]. 2001;-(5):50-40. Available from: https://sid.ir/paper/534572/en

IEEE: Copy

E. TAHERI NASAJ, “INCORPORATION OF SIC PARTICULATE INTO ALUMINUM MELT,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 5, pp. 50–40, 2001, [Online]. Available: https://sid.ir/paper/534572/en

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