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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 822Research about the Quality of Bulk Titanium...

Research about the Quality of Bulk Titanium Materials Obtained by Powder Metallurgy Technology from Titanium Hydride Powder Used for Automotive Components

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Abstract:

Titanium has excellent mechanical properties, low density, high chemical stability, good heat transfer properties and a good corrosion resistance. In recent years, a new process technology is emerging by which titanium and titanium alloys can be made by sintering titanium hydride (TiH₂) and its mixture with alloying elements. The feasibility of this manufacturing approach has been fully demonstrated from powder to sintering and from microstructure to mechanical properties. This paper describes a study concerning Powder Metallurgy (PM) technology processing of Ti by conventional PM and non-conventional PM method such as Spark Plasma Sintering (SPS) route. The influence of the technological parameters on the micro-hardness and SEM microstructures during bulk titanium materials processing has been studied. The STATISTICA program has been used to monitor the influence of the technological parameters on the micro-hardness of bulk titanium processed products. The tribological behaviour of the bulk titanium materials on the basis of the coefficient of friction and wear rate is presented, too.

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Periodical:

Applied Mechanics and Materials (Volume 822)

Pages:

418-428

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.822.418

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Online since:

January 2016

Authors:

Cristina Ileana Pascu*, Oana Gingu, Nicoleta Lupu, Gabriel Constantin Benga, Ioan Vida-Simiti

Keywords:

Bulk Materials, Micro-Hardness, Microstructure, Powder metallurgy, Spark Plasma Sintering, Titanium, Titanium Hydride

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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