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Materials 2018, 11(5), 792; https://doi.org/10.3390/ma11050792

The Effect of the Traverse Feed Rate on the Microstructure and Mechanical Properties of Laser Deposited Fe3Al (Zr,B) Intermetallic Alloy

Department of Advanced Materials and Technologies, Military University of Technology, Gen. Urbanowicza 2 Str., 00-908 Warsaw, Poland
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Received: 7 April 2018 / Revised: 3 May 2018 / Accepted: 10 May 2018 / Published: 14 May 2018
(This article belongs to the Special Issue Laser Materials Processing)
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Abstract

The results of the fabrication of components made with Fe-30%Al-0.35%Zr-0.1%B alloy powder using the Laser Engineered Net Shaping (LENSTM) system operated at different traverse feed rates are described in this paper. The temperature of the molten metal pool was recorded during this process. Depending on the assumed feed rate, the formation of Zr–based precipitates with various morphologies and distributions was observed in the structure of the investigated material. It was found that as the traverse speed increased, spheroidization, refinement, and a more homogeneous distribution of these precipitates occurred. View Full-Text
Keywords: laser deposition; iron aluminides; cooling rate; microstructure; precipitation laser deposition; iron aluminides; cooling rate; microstructure; precipitation
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Łazińska, M.; Durejko, T.; Czujko, T.; Bojar, Z. The Effect of the Traverse Feed Rate on the Microstructure and Mechanical Properties of Laser Deposited Fe3Al (Zr,B) Intermetallic Alloy. Materials 2018, 11, 792.

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