An Investigation on the Hydrogen Content in Al-12Si Alloy Melt

Abstract:

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This present work investigate the hydrogen content in Al-12Si alloy at different holding temperatures of 993K, 1023K, and 1053K and under different ambient relative humidity 30%RH, 50%RH, 80%RH. The relationship of the hydrogen content with atmosphere relative humidity and the reaction time was investigated. A HYSCAN II analyzer was used to evaluate the hydrogen content in aluminum melts. The experimental results show that the hydrogen content increased with the holding temperature and the relative humidity. At the temperature 1053K, the hydrogen content has an inverse change. The hydrogen content is more depend on the liquid structure than physical mass transfer and chemical reaction because of the sudden change in liquid microstructure. A group of kinetic regression equations of the hydrogen absorption in Al-12Si melts was obtained.

Info:

Periodical:

Advanced Materials Research (Volumes 97-101)

Edited by:

Zhengyi Jiang and Chunliang Zhang

Pages:

785-788

DOI:

10.4028/www.scientific.net/AMR.97-101.785

Citation:

Z. B. Xu et al., "An Investigation on the Hydrogen Content in Al-12Si Alloy Melt", Advanced Materials Research, Vols. 97-101, pp. 785-788, 2010

Online since:

March 2010

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Price:

$35.00

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