Investigation of Solidification Process of As-Cast ADC12 in Sand Molds with Different Pouring Conditions by Temperature Field

Pham Mai Khanh; Nguyen Hong Hai; Dang Quoc Khanh; Dao Hong Bach

doi:10.4028/www.scientific.net/KEM.682.212

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Investigation of Solidification Process of As-Cast ADC12 in Sand Molds with Different Pouring Conditions by Temperature Field
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Investigation of Solidification Process of As-Cast ADC12 in Sand Molds with Different Pouring Conditions by Temperature Field

Abstract:

An investigation of solidification process of as-cast ADC12 aluminum alloy in sand molds with different pouring conditions by temperature field was discussed in the present study. The ADC12 aluminum alloy was investigated in quarzt sand mold and chromite mold using sodium silicate binder with hardening by CO₂gas under atmospheric and low vacuum conditions. Mechanical properties results indicated that a chromites mold under low vacuum condition has the optimal value. Thermal diffusivity was determined by finite difference method. The maximum thermal diffusivity was obtained in a chromite mold under low vacuum condition and correspondence to the minimum solidification time field.

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Periodical:

Key Engineering Materials (Volume 682)

Pages:

212-219

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.682.212

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Online since:

February 2016

Authors:

Pham Mai Khanh*, Nguyen Hong Hai, Dang Quoc Khanh, Dao Hong Bach

Keywords:

ADC12, Low Vacuum, Mechanical Properties, Quartz/Chromite Molds, Temperature Field, Thermal Diffusivity

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