EXPERIMENTAL AND NUMERICAL STUDY OF POWDER METALLURGY PERFORMANCE FOR AUTOMOTIVE APPLICATIONS | ||||
| The International Conference on Applied Mechanics and Mechanical Engineering | ||||
| Article 113, Volume 13, 13th International Conference on Applied Mechanics and Mechanical Engineering., May 2008, Page 200-208 PDF (317.19 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/amme.2008.39724 | ||||
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| Authors | ||||
| HRAIRI M.1; HUSSIN M. A.2; RAVI N.M. F2 | ||||
| 1Assistant professor, Dept. of Mechanical Engineering, IIUM, Kuala Lumpur, Malaysia. | ||||
| 2Graduate student, Dept. of Mechanical Engineering, IIUM, Kuala Lumpur, Malaysia. | ||||
| Abstract | ||||
| ABSTRACT Powder metallurgy (P/M) processes using sintering are able to form net-shaped products and have been used widely in the production of automobile parts to improve productivity. In this work, an experimental and numerical study on the substitution by P/M in automotive parts was carried out. Aluminium alloy A356 powder was used in the experimental part while stainless steel 316L powder was the material of choice in the numerical study. The A356 powder was shaped by a uniaxial press then sintered at 520 ºC. The density, compressive strength, and hardness of the produced part were evaluated and compared to the values for the same material produced by the permanent mould cast process. In the simulation component of this study, ANSYS™ Finite Element software was used to model an axisymmetric flanged part via the LSDYNA ™ module using the geological Cap material model. The effect of density distribution in the part was analyzed through the plastic strain that was generated. The result was compared to the experimental density map. | ||||
| Keywords | ||||
| Powder metallurgy; compaction; sintering; Simulation; Finite element method; density; hardness; Compressive strength; automotive engineering | ||||
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