Determination of Binder Content in Traditional Sandmixes by Microwave Method

Daniel Nowak

Abstract


This paper presents preliminary research on the possibility of determining the binder content in traditional sandmixes by the microwave method. The research included examinations of three kinds of bentonite. The presented measurements were carried-out with the use of a special stand – the so-called slot line. The concentration of the binder in molding sand was determined on the grounds of measurements of a parameter; i.e., absorbed power or output power of the electromagnetic wave. One of the main advantages of the suggested new method is the short time of the measurement.


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References


Lewandowski J.L. (1998). Tworzywa na formy odlewnicze. Kraków: Akapit.

Żymankowska-Kumon S., Holtzer M., Olejnik E., & Bobrowski A. (2012). Influence of the changes of the structure of foundry bentonites on their binding properties. Materials Science (Medžiagotyra), 18(1) 57–61.

Pigiel M., Granat K., Nowak D. & Florczak W. (2006). Utilisation of microwave energy in foundry processes. Archives of Foundry Engineering, 6(21), 443–452.

Granat K., Nowak D., Pigiel M., Stachowicz M. & Wikiera R. (2008). Measurement of standing wave ratio for efficiency assessment of microwave absorption by moulding materials. Archives of Foundry Engineering, 8(spec. iss. 3), 31–34.

Granat K., Stachowicz M. & Nowak D. (2010). Application of innovative method of microwave hardening in manufacturing processes of cast steel castings for machine-building industry. Archives of Mechanical Technology and Automation, 30, 19–27.

Wang J., Fan Z., Zan X., Pan D. (2009). Properties of sodium silicate bonded sand hardened by microwave heating. China Foundry, 6(3), 191–196.

Che G., Liu X. & Li J. (2006). Effects of water-glass tensile strength and collapsibility of water-glass cured by microwave heating. China Foundry Machinery and Technology, 6, 18–19.

Li H. & Xie W. (2002). Study on the materials used for making models of sodium silicate bonded sand core heating by microwave energy. Journal of Chongqing University (Natural Science Edition), 25(1), 116–119.

Galwas B. (1985). Miernictwo mikrofalowe. Warszawa: Wydawnictwo Komunikacji i Łączności.

Litwin R. & Suski M. (1972). Technika mikrofalowa. Warszawa: Wydawnictwa Naukowo-Techniczne.

Garczyński W. (2003). Podstawy techniki mikrofalowej. Wrocław: Oficyna Wydawnicza Politechniki Wrocławskiej.

Thomas H.E. (1978). Techniki i urządzenia mikrofalowe. Warszawa: Wydawnictwa Naukowo-Techniczne.

Holtzer M., Bobrowski A. & Żymankowska-Kumon S. (2011). Temperature influence on structural changes of foundry bentonites. Journal of Molecular Structure. 1004(1), 102–108 . DOI: 10.1016/j.molstruc.2011.07.040




DOI: https://doi.org/10.7494/jcme.2017.1.4.80

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