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American Journal of Materials Engineering and Technology
Number of Followers: 6

This is an Open Access Journal

Open Access journal
ISSN (Print) 2333-8903 - ISSN (Online) 2333-8911
Published by Science and Education Publishing

[75 journals]

Influence of the Sawdust on the Behavior of Clay Soils
- Authors: Mahmoud M. Abu Zeid
  Pages: 1 - 8
  Abstract: Soil treatment with many different materials such as lime, fly ash, cement with bentonite and chemical injection was used to embrace good soil. The soil characterizations led to choose the best additive material which improves its behavior. In this article, the sawdust waste was added to a swelling soil to upgrade a stabilized its specification. Building traditional houses in some areas of the Egyptian countryside uses clay mixed with sawdust as cemented materials. The sawdust has used in this paper with different percentages 0, 1, 3, and 5% by weight of the clay soil. Many tests have been used such as index, strength and swelling specifications to study the behavior of clay- sawdust mixtures. The result indicated that the indirect tensile strength for air-dried samples increased, by increasing the sawdust ratio around 1.75%, and the swelling potential also decreased to about 32%.
  PubDate: 2020-02-18
  DOI: 10.12691/materials-8-1-1
  Issue No: Vol. 8, No. 1 (2020)
Shape Optimization Study on Composite Material Using Finite Element
Analysis
- Authors: Adisa O. Akinbode; Prof Anjali DeSilva
  Pages: 9 - 17
  Abstract: This study attempts to improve the use of composite materials in engineering applications through shape optimization by adopted finite element analysis (FEA) tools and regression models. SolidWorks was used to develop the geometries, ANSYS was used for the FEA, while MATLAB was used for the regression analysis. The equivalent stress, equivalent strain, and total deformation on the material for different shapes and configurations was studied. Circular shape and dog bone, both without holes were the shapes considered as initial or primary configuration. The optimal behavior predicted for the circular shape specimen suggest that staggered arrangement, 8 holes, 3 or 6 layers of plate combined, and circular holes will be the required combination for best performance. This deduction was made based on the prediction by the model selected for regression analysis. In the case of dog bone shape, no hole, single hole, and multiple holes were considered. It was observed that multiple (5) holes with 5 mm will significantly increase the equivalent stress and equivalent strain on the specimen, while no significant change was observed for the total deformation.
  PubDate: 2020-11-20
  DOI: 10.12691/materials-8-1-2
  Issue No: Vol. 8, No. 1 (2020)

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