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Microstructural characterization of field assisted sintered bulk nanostructured V-4Cr-4Ti alloys

Krishnan, Vinoadh Kumar and Sinnaeruvadi, Kumaran and Verma, Shailendra Kumar and Subramanian, Karthikeyan (2018) Microstructural characterization of field assisted sintered bulk nanostructured V-4Cr-4Ti alloys. In: PARTICULATE SCIENCE AND TECHNOLOGY, 36 (7). pp. 891-898.

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Official URL: http://dx.doi.org/10.1080/02726351.2017.1322160

Abstract

This article deals with synthesis of single-phase bulk nanostructured V-4Cr-4Ti alloy by mechanical alloying and field assisted sintering. Mechanically alloyed powders were sintered at 1050 and 1100 degrees C with different sintering time. Both powder and sintered samples were subjected to structural and morphological characterization using x-ray diffraction and electron microscopy studies. x-ray diffraction and transmission electron microscopy studies of sintered samples confirm that field assisted sintering technique aids nanostructuring in V-4Cr-4Ti alloy. Microstructural parameters of sintered samples were calculated from x-ray diffraction patterns. Role of sintering variables on the microstrain evolution and subsequent domain size reduction in bulk V-4Cr-4Ti alloy are briefly discussed. Optimal sintering parameters to achieve nanostructured V-4Cr-4Ti alloy by field assisted sintering were deduced. Micro-hardness and relative density of sintered V-4Cr-4Ti alloy are found to increase with sintering temperature and sintering time.

Item Type: Journal Article
Additional Information: Copy right for this article belong toTAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 06 Jun 2018 14:51
Last Modified: 06 Jun 2018 14:51
URI: http://eprints.iisc.ac.in/id/eprint/59971

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