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Document Type |
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Thesis |
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Document Title |
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DESIGN, ANALYSIS AND PROTOTYPE MANUFACTURING OF COMPOSITE MATERIAL AUTOMOTIVE LEAF SPRING تصميم وتحليل وتصنيع نموذج نابض صفائحي لسيارة من المواد المركبة |
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Subject |
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Faculty of Engineering - Department of Mechanical Engineering |
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Document Language |
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Arabic |
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Abstract |
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Composites are becoming the material of choice for replacing traditional materials such as steel, aluminum and engineering plastics in automotive industry. Compared to traditional materials, composites have higher strength-to-weight ratios, chemical and heat impact resistance, offer greater design flexibility.
The aim of this project is to conserve natural resources and economize energy in automobile felid by present a general study on the design, analysis and fabrication of composite leaf spring. This achieves the vehicle with more fuel efficiency. From this viewpoint, the suspension spring of a compact car, “Hilux” was selected as a prototype.
The E-glass fiber has been selected for this study based on the cost factor ,strength and availability in local market ,A single leaf spring of unidirectional E-glass /epoxy with variable thickness , width and constant cross-section area along the length of the leaf spring was designed with similar mechanical and geometrical properties to the multi leaf steel spring.
The composite mono leaf spring was analyzed for static strength and deflection using 3D finite element analysis. The finite element analysis software ABAQUS versin6.9 was used for the present study, hand lay-up process was employed to fabricated prototype of mono leaf spring.
The Mono composite leaf spring was tested by using Electromechanical or universal testing machine, the spring was loaded from zero to the prescribed maximum deflection and back to zero, the test result shown that the composite leaf spring is able to withstand the static load without any issues,
The comparison between multi-leaf spring and mono-leaf composite spring is made for the same requirements and loading conditions. The comparison is based on four major aspects such as weight, cost, strength and safety.
From the study it is seen that the composite leaf spring is lighter , more safety and more economical than that of steel multi -leaf springs for similar performance. Hence, the composite mono leaf spring is the suitable replacements to the steel multi -leaf springs. |
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Supervisor |
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Prof. Dr Mustafa Abbas Hamed |
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Thesis Type |
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Master Thesis |
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Publishing Year |
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1434 AH
2013 AD |
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Co-Supervisor |
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Dr Faisal Alsayed Abdul Hady |
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Added Date |
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Wednesday, May 29, 2013 |
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Researchers
| محمد سالم بالعمش | Balamesh, Mohammed Salem | Researcher | Master | |
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