Analysis of Sintered Metal Powder Preform during Extrusion through an Equilibrium Approach

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Dr. Arun Ku. Sharma
Dr. Arun Ku. Sharma
2
Abhay Ku. Sharma
Abhay Ku. Sharma
3
R.K. Ranjan
R.K. Ranjan
4
Maneesh Choubey
Maneesh Choubey
1 Research Scholar at ggits, Jabalpur.

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GJSFR Volume 12 Issue A6

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The extrusion of metal powders at room temperature with subsequent sintering allows manufacturing of final products with unique microstructures and therefore with unique mechanical properties. In this study, the experimental results of extrusion of both aluminium and copper powders under laboratory conditions are presented and analysed. The main objective of the work is to demonstrate the various aspects of extrusion of powder preforms, which have been compacted and sintered from atomized powder. An attempt has been made for the determination of the die pressures developed during the extrusion of powder preform by using an Equilibrium approach. The interfacial friction law considered and dealt with in great detail, and also the yield criterion. The results so obtained are discussed critically to illustrate the interaction of various process parameters involved and are presented graphically.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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Dr. Arun Ku. Sharma. 2012. \u201cAnalysis of Sintered Metal Powder Preform during Extrusion through an Equilibrium Approach\u201d. Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 12 (GJSFR Volume 12 Issue A6): .

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GJSFR Volume 12 Issue A6
Pg. 61- 66
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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v1.2

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September 22, 2012

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English

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The extrusion of metal powders at room temperature with subsequent sintering allows manufacturing of final products with unique microstructures and therefore with unique mechanical properties. In this study, the experimental results of extrusion of both aluminium and copper powders under laboratory conditions are presented and analysed. The main objective of the work is to demonstrate the various aspects of extrusion of powder preforms, which have been compacted and sintered from atomized powder. An attempt has been made for the determination of the die pressures developed during the extrusion of powder preform by using an Equilibrium approach. The interfacial friction law considered and dealt with in great detail, and also the yield criterion. The results so obtained are discussed critically to illustrate the interaction of various process parameters involved and are presented graphically.

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Analysis of Sintered Metal Powder Preform during Extrusion through an Equilibrium Approach

Dr. Arun Ku. Sharma
Dr. Arun Ku. Sharma Research Scholar at ggits, Jabalpur.
Abhay Ku. Sharma
Abhay Ku. Sharma
R.K. Ranjan
R.K. Ranjan
Maneesh Choubey
Maneesh Choubey

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