Correlation between Milling Parameters, Structural and Mechanical Properties of Nanostructured Austenitic Y2O3 Strengthened Steels

Péter Koncz; Ákos Horváth; Katalin Balázsi; Filiz Çinar Şahin; G. Göller; Yücel Onüralp; Csaba Balázsi

doi:10.4028/www.scientific.net/MSF.729.409

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Development of Electrically Conductive Polymers
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Effect of Organic Additives on Friction Properties of Clay Based Compounds
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Correlation between Milling Parameters, Structural and Mechanical Properties of Nanostructured Austenitic Y₂O₃ Strengthened Steels
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HomeMaterials Science ForumMaterials Science Forum Vol. 729Correlation between Milling Parameters, Structural...

Correlation between Milling Parameters, Structural and Mechanical Properties of Nanostructured Austenitic Y₂O₃ Strengthened Steels

Abstract:

In this paper, the correlation between structural and mechanical properties of nanostructured austenitic oxide dispersion strengthened (ODS) steel prepared by powder metallurgy were studied. High efficient milling process was applied to achive an optimal dispersion of ceramic oxide particles in the steel matrix. The austenitic powder with or without Y₂O₃ addition was milled by two different milling process (wet and dry). Spark plasma sintering as a fast and effective compaction method was used as sintering equipment. The morphology and structural properties of ODS were studied by X-ray diffraction and scanning electron microscopy. Mechanical properties, such as microhardness, bending strength and modulus of nanostructured ODS were also determined.

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Periodical:

Materials Science Forum (Volume 729)

Pages:

409-414

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.729.409

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Online since:

November 2012

Authors:

Péter Koncz, Ákos Horváth, Katalin Balázsi, Filiz Çinar Şahin, G. Göller, Yücel Onüralp, Csaba Balázsi

Keywords:

3-Point Bending Test, Austenitic ODS Steel, Milling, Nanopowder, SPS Sintering, Vickers Hardness

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