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

α
Dr. Arun Ku. Sharma
Dr. Arun Ku. Sharma
σ
Abhay Ku. Sharma
Abhay Ku. Sharma
ρ
R.K. Ranjan
R.K. Ranjan
Ѡ
Maneesh Choubey
Maneesh Choubey
α Rajiv Gandhi Technical University Rajiv Gandhi Technical University

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

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Abstract

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.

References

7 Cites in Article
  1. K Lange (1985). Hand Book of Metal Forming.
  2. S Szczepanik (1992). Analysis of densification and strains in the uniaxial compression of sintered materials.
  3. A Jha,S Kumar (1983). Forging of metal powder preforms.
  4. A Jha,S Kumar (1984). Unknown Title.
  5. A Jha,S Kumar (1985). Unknown Title.
  6. T Tabata,S Masaki,K Hosokawa (1980). Unknown Title.
  7. Brian Rooks (1975). Swings and roundabouts at Kuka's UK Open Week.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

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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Issue Cover
GJSFR Volume 12 Issue A6
Pg. 61- 66
Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Version of record

v1.2

Issue date

September 22, 2012

Language
en
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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 Rajiv Gandhi Technical University
Abhay Ku. Sharma
Abhay Ku. Sharma
R.K. Ranjan
R.K. Ranjan
Maneesh Choubey
Maneesh Choubey

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