Investigation of Molding Characteristics of Acacia Gum Arabic Grade 1 for Making Green Sand Cores

Authors(4) :-Zhengwuvi L. B., Hassan M. A., Godi N. Y., Dasin D. Y.

Investigation of moulding characteristics of Acacia gum arabic grade 1 was carried out. On addition of 0.50-2.50% Acacia gum arabic, the green moulding characteristics such as compression, shear strength, shatter index, compactability, bulk density, permeability number and flowability are in the range of 36.40-53.90 kPa, 0-9.80 kPa, 13.90-38.50%, 20.00-32.00%, 1300.00-1360.00 kg/m3, 112.00-80.00 and 96.60-74.50% respectively. The moulding characteristics show that the compression and shear strengths, shatter index, bulk density and compactability increased with percentage addition of acacia gum arabic, while the permeability number and flowability decreased with percentage addition of the gum. The moulding characteristics of the gum were found to be within accepted standard sand core characteristics. To validate the results, cores were produced with 2% gum arabic and used to produce simple bushings. It was observed that the sand cores were strong enough to withstand the molten metal pressure; they maintained location and collapsed only after molten metal solidification. The bushings were seen to be sound. Thus, acacia gum arabic grade 1 can be used as a binder in green sand core making for non-ferrous metal castings.

Authors and Affiliations

Zhengwuvi L. B.
Department of Mechanical Engineering, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
Hassan M. A.
Department of Mechanical Engineering, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
Godi N. Y.
Department of Mechanical Engineering, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
Dasin D. Y.
Department of Mechanical Engineering, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria

Acacia Gum Arabic, Characteristics, Green Sand Cores, Investigation, Moulding

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Publication Details

Published in : Volume 3 | Issue 6 | September-October 2017
Date of Publication : 2017-10-31
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 135-141
Manuscript Number : IJSRSET1734163
Publisher : Technoscience Academy

Print ISSN : 2395-1990, Online ISSN : 2394-4099

Cite This Article :

Zhengwuvi L. B., Hassan M. A., Godi N. Y., Dasin D. Y., " Investigation of Molding Characteristics of Acacia Gum Arabic Grade 1 for Making Green Sand Cores, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 6, pp.135-141, September-October-2017.
Journal URL : http://ijsrset.com/IJSRSET1734163

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