Uniaxial die compaction of food powders

This paper presents a study of uniaxial die compaction of food powders for typical food powders such as maize powder and maize grits as well as a universal binder known as microcrystalline cellulose or Avicel. This method of compaction is widely applied in the industry as it can investigate the comp...

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Main Authors: Yusof, Yus Aniza, Smith, Andrew C., Briscoe, Brian J.
Format: Article
Language:English
Published: Institution of Engineers, Malaysia 2009
Online Access:http://psasir.upm.edu.my/id/eprint/17521/1/Uniaxial%20die%20compaction%20of%20food%20powders.pdf
http://psasir.upm.edu.my/id/eprint/17521/
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spelling my.upm.eprints.175212015-11-03T01:41:45Z http://psasir.upm.edu.my/id/eprint/17521/ Uniaxial die compaction of food powders Yusof, Yus Aniza Smith, Andrew C. Briscoe, Brian J. This paper presents a study of uniaxial die compaction of food powders for typical food powders such as maize powder and maize grits as well as a universal binder known as microcrystalline cellulose or Avicel. This method of compaction is widely applied in the industry as it can investigate the compressibility and compactability characteristics of powders prior to handling, storage, packaging, and transportation. In the current context, a cylindrical uniaxial die of 20 mm was used to compress the powders into compact. Pressures ranging of 30 and 160 MPa were applied to the uniaxial die using a universal testing machine. It was found that Avicel powder showed the highest compactability characteristic, ability to form bonding easily. Whereas, compactability of both the coarse maize and fine maize were quite similar, which may be due to the similar chemical composition. The data were then validated using an established compression equation. The asymptotic residual modulus value reduced as the ability of the food powders to form plastic junctions - assuming that they existed - increased. For the tensile strength test, Avicel compact showed the greatest tensile strength, many times that of fine maize and coarse maize compacts. However, between the fine maize and coarse maize, fine maize had higher tensile strength which may be due to its smaller particle size, as well as the fact that the contact area may be increased, and consequently may form a more coherent compact. The results indicate that this simple approach can be used to understand the compressibility and compactability characteristics of food powders which are essential for engineering and technology application. Institution of Engineers, Malaysia 2009-12 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/17521/1/Uniaxial%20die%20compaction%20of%20food%20powders.pdf Yusof, Yus Aniza and Smith, Andrew C. and Briscoe, Brian J. (2009) Uniaxial die compaction of food powders. Journal of the Institution of Engineers, Malaysia, 70 (4). pp. 41-48. ISSN 0126-513X
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description This paper presents a study of uniaxial die compaction of food powders for typical food powders such as maize powder and maize grits as well as a universal binder known as microcrystalline cellulose or Avicel. This method of compaction is widely applied in the industry as it can investigate the compressibility and compactability characteristics of powders prior to handling, storage, packaging, and transportation. In the current context, a cylindrical uniaxial die of 20 mm was used to compress the powders into compact. Pressures ranging of 30 and 160 MPa were applied to the uniaxial die using a universal testing machine. It was found that Avicel powder showed the highest compactability characteristic, ability to form bonding easily. Whereas, compactability of both the coarse maize and fine maize were quite similar, which may be due to the similar chemical composition. The data were then validated using an established compression equation. The asymptotic residual modulus value reduced as the ability of the food powders to form plastic junctions - assuming that they existed - increased. For the tensile strength test, Avicel compact showed the greatest tensile strength, many times that of fine maize and coarse maize compacts. However, between the fine maize and coarse maize, fine maize had higher tensile strength which may be due to its smaller particle size, as well as the fact that the contact area may be increased, and consequently may form a more coherent compact. The results indicate that this simple approach can be used to understand the compressibility and compactability characteristics of food powders which are essential for engineering and technology application.
format Article
author Yusof, Yus Aniza
Smith, Andrew C.
Briscoe, Brian J.
spellingShingle Yusof, Yus Aniza
Smith, Andrew C.
Briscoe, Brian J.
Uniaxial die compaction of food powders
author_facet Yusof, Yus Aniza
Smith, Andrew C.
Briscoe, Brian J.
author_sort Yusof, Yus Aniza
title Uniaxial die compaction of food powders
title_short Uniaxial die compaction of food powders
title_full Uniaxial die compaction of food powders
title_fullStr Uniaxial die compaction of food powders
title_full_unstemmed Uniaxial die compaction of food powders
title_sort uniaxial die compaction of food powders
publisher Institution of Engineers, Malaysia
publishDate 2009
url http://psasir.upm.edu.my/id/eprint/17521/1/Uniaxial%20die%20compaction%20of%20food%20powders.pdf
http://psasir.upm.edu.my/id/eprint/17521/
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score 13.154949