Study on Interfacial Tension and Flammability of Mg-Ca-Ce Alloy Melt

Xian Kuo Meng; Wei Min Zhao; Jian Ding

doi:10.4028/www.scientific.net/AMR.418-420.383

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Study on Interfacial Tension and Flammability of Mg-Ca-Ce Alloy Melt

Abstract:

The Mg-Ca-Ce ignition-proof Mg-alloy with high ignition temperature was developed based on the synergy of flame retardant role of Ca element and Re element ,and the flame retardant mechanism were investigated. The interfacial tension of Mg-Ca-Ce alloy melt was measured with the maximum bubble method. The interfacial tension is found to be remarkably lowered with the increase of Ce element that is a kind of surface active element to Mg-Ca alloy. The results also showed that the compact composite film composed of Ce2O3,CaO and MgO could be formed and reduce the flammability significantly when the Ca content and Re content were 1.2wt.% and 1.5 wt.% respectively, which prevented alloys from oxidation further and raised the ignition point nearly 150°C.

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

383-386

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.383

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Online since:

December 2011

Authors:

Xian Kuo Meng, Wei Min Zhao, Jian Ding

Keywords:

Flame Retardant, Interfacial Tension, Mg Alloy, Oxidation Film

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