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http://dx.doi.org/10.7777/jkfs.2021.41.6.516

Experimental of Gas Emissions of Furan Binder According to Temperature Using TG-MS  

Kwak, Si-Young (Smart Liquid Processing R&D Department, Korea Institute of Industrial Technology (KITECH))
Cho, In-Sung (Smart Liquid Processing R&D Department, Korea Institute of Industrial Technology (KITECH))
Lee, Heekwon (Department of Research & Development, DAESHIN METAL LTD.)
Publication Information
Journal of Korea Foundry Society / v.41, no.6, 2021 , pp. 516-520 More about this Journal
Abstract
During sand casting, the binders produces gases in cores because high temperature molten metals dissolve the binders into gases and causes gas defects in the casting products. In the present study, quantitative analysis of inorganic binder gas generation was performed using Thermo Gravimetry (TG) and Mass Spectrometer (MS) analyses. The specimen was prepared using organic binders in liquid and solid state, and a mixture of sand and binders. Moisture loss by catalysts was calculated by TG results from liquid and solid binder specimens; it was found that components of gases were different. Quantitative analysis was discussed for generated gases with individual gas component results obtained using TG and MS. It is expected that gas generation can be predicted in the casting simulation using the technique proposed in the present study.
Keywords
Gas emission; Sand Casting Process; Furan binder; Thermo Gravimetry and Mass Spectrometer;
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