Influence of ECAP-Back Pressure on the Porosity Distribution

• Authors: J. Bidulská , T. Kvačkaj , R. Kočiško , R. Bidulský , M. Actis Grande , T. Donič , M. Martikán
• Languages of publication: EN

Abstracts

EN

The main aim of this paper is to show how back pressure equal channel angular pressing (ECAP-BP) influences the porosity distribution in powder metallurgy (PM) aluminium alloys. When back pressure is applied, the accumulation of damage in deformed samples decreases due to the fact that the shear strain takes place under predominantly compressive stresses. Consequently, ECAP-BP influences the porosity distribution in terms of the severe shear deformation involved. According to the obtained results, interesting applications for this new progressive method in physical and metallurgical research fields are shown.

Keywords

EN

81.05.Bx; 81.20.Ev; 81.40.-z; 81.70.Fy

Discipline

• 81.70.Fy: Nondestructive testing: optical methods
• 81.40.-z: Treatment of materials and its effects on microstructure, nanostructure, and properties
• 81.20.Ev: Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation
• 81.05.Bx: Metals, semimetals, and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 5
• Pages: 864-868

Dates

published

2010-05

Contributors

author

J. Bidulská

• Technical University of Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovakia

author

T. Kvačkaj

• Technical University of Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovakia

author

R. Kočiško

• Technical University of Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovakia

author

R. Bidulský

• Politecnico di Torino-Alessandria Campus, V. Teresa Michel 5, 15100 Alessandria, Italy

author

M. Actis Grande

• Politecnico di Torino-Alessandria Campus, V. Teresa Michel 5, 15100 Alessandria, Italy

author

T. Donič

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 1, 010 26 Žilina, Slovakia

author

M. Martikán

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 1, 010 26 Žilina, Slovakia

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Identifiers

DOI

10.12693/APhysPolA.117.864