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Influence of Manufacturing Technology on the Structure of 80W–20Re Heavy Sinters

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Faculty of Mechatronics and Aviation of MUT, Military University of Technology, Kaliskiego 2, 01-489 Warsaw, Poland
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Faculty of New Technologies and Chemistry of MUT, Military University of Technology, Kaliskiego 2, 01-489 Warsaw, Poland
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Faculty of Mechatronics, Kazimierz Wielki University, Chodkiewicza 30, 85-867 Bydgoszcz, Poland
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Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland
*
Authors to whom correspondence should be addressed.
Materials 2019, 12(23), 3965; https://doi.org/10.3390/ma12233965
Received: 3 November 2019 / Revised: 23 November 2019 / Accepted: 27 November 2019 / Published: 29 November 2019
Preliminary measurement results of 80W–20Re heavy sinters are presented in this paper. Tested samples were taken from three different technology processes, i.e., resistance sintering (RS), pulse plasma sintering (PPS), and conventional sintering in a vacuum furnace. In the first two cases, the obtained sinters were of similar usable properties (porosity and microhardness), while for vacuum sintering, the material with high porosity was obtained. At the same time, it was found that sintering with the use of electric current (RS, PPS) generates microstructures with highly elongated grains. View Full-Text
Keywords: W–Re heavy sinters; resistance sintering (RS); pulse plasma sintering (PPS) W–Re heavy sinters; resistance sintering (RS); pulse plasma sintering (PPS)
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Majewski, T.; Durejko, T.; Urbaniak, W.; Petelska, A.D.; Łazińska, M.; Zasada, D.; Woźniak, R. Influence of Manufacturing Technology on the Structure of 80W–20Re Heavy Sinters. Materials 2019, 12, 3965.

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