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Evaluation of the Material Properties of the Ti and CoCr Alloys Prepared by Laser Powder Bed Fusion

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Abstract:

The main aim of the present paper is evaluated the mechanical properties, microstructures and porosity of Ti6Al4V and CoCrW alloys produced by Laser Powder Bed Fusion (L-PBF) as an additive manufacturing (AM) technology. The mechanical properties were follows: For Ti6Al4V alloy the UTS was 1180 MPa; the YS was in the range <600; 745 MPa>. For CoCrW alloys, the UTS were in range <750; 950 MPa> and YS was in range <400; 500>. Evaluation of porosity was realized on non-etched samples using by quantitative image analysis in order to describe the dimensional and morphological porosity characteristics. The pores in the Ti6Al4V alloy showed homogeneous distribution without significant large pores.

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Periodical:

Materials Science Forum (Volume 985)

Pages:

223-228

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.985.223

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Online since:

April 2020

Authors:

Jana Bidulská*, Róbert Bidulský, Patrik Petrousek, Tibor Kvačkaj, Marco Actis Grande, Radovan Hudák

Keywords:

Additive Manufacturing, CoCr, Laser Powder Bed Fusion, Porosity, Ti

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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