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06.05.2024

Home Page Grudzień 2018 Technological properties of metallic-diamond tools manufactured by SPS process *

Technological properties of metallic-diamond tools manufactured by SPS process *

Właściwości użytkowe narzędzi metaliczno-diamentowych wytworzonych metodą SPS

Author: Elżbieta Bączek

Mechanik nr 12/2018 - Biuletyn Instytutu Zaawansowanych Technologii Wytwarzania

ABSTRACT: This paper presents the results of the technological properties of impregnated diamond tools fabricated via spark plasma sintering (SPS) during the process of grinding and cutting of highpurity oxides ceramics (ZrO2) stabilized with Y2O3 or MgO. As a metal matrix the water atomized tin bronze and steel-based matrix was used. After sintering, an analysis of microstructure was conducted using scanning electron microscopy. The resulting materials were tested for the apparent density determined by Archimedes’ method, Rockwell hardness (scale B), Young’s modulus, as well as for the technological properties. The performance results of obtained diamond composites were compared with commercial diamond wheel fabricated by HP (hot pressing), usually employed in the grinding of ceramics. Results showed that diamond tools based on Cu-Sn and steel, obtained by SPS, may be successfully used as a matrix in the impregnated diamond tools for cutting or grinding of high-purity oxides ceramics.

KEYWORDS: impregnated diamond tools, metal matrix composites, spark plasma sintering, hot pressing, grinding/cutting process, high-purity oxides ceramics

STRESZCZENIE: Przedstawiono wyniki badań właściwości fizycznych, mechanicznych i użytkowych narzędzi diamentowych wytworzonych metodą SPS (spark plasma sintering) w procesie szlifowania i cięcia półwyrobów z zaawansowanej ceramiki technicznej korundowej i cyrkonowej stabilizowanej tlenkiem itru (Y2O3) lub magnezu (MgO). Jako materiał osnowy zastosowano rozpylany wodą proszek brązu cynowego oraz stal stopową. Wykazano, że materiały zaproponowane na osnowę zapewniają uzyskanie wysokich właściwości użytkowych narzędzi diamentowych otrzymanych metodą SPS w porównaniu z narzędziami diamentowymi otrzymanymi metodą prasowania na gorąco (HP).

SŁOWA KLUCZOWE: narzędzia metaliczno-diamentowe, metaliczna osnowa, spiekanie SPS, hot pressing, proces cięcia i szlifowania, zaawansowana ceramika techniczna

BIBLIOGRAFIA / BIBLIOGRAPHY:

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  • Smuk B., Szutkowska M., Walter J. “Alumina ceramics with partially stabilized zirconia for cutting tools”. Journal of Materials Processing Technology. 133 (2003): pp. 195–198.
  • Staniewicz-Brudnik B., Bączek E., Skrabalak G. “The new generation of diamond wheels with vitrified (ceramic) bonds”. Sintering Techniques of Materials. Thandalam, Chennai, India: INTECH. Arunachalam Lakshmanan Saveetha Engineering College, 2015, pp. 53–76.
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  • Tillmann W., Kronholz C., Ferreira M., Knote A., Theisen W., Schütte P. “Comparison of different metal matrix systems for diamond tools fabricated by new current induced short-time sintering processes”. PM2010 World Congr. – Diam. Tools. Manuscr. Ref. by Dr José M Sanchez. Spain: CEIT, 2010.
  • Schmidt J., Knote A., Armbrüster M., Weißgärber Th. “Spark plasma sintering of diamond impregnated wire saw beads”. Diam. Appl. Technol. 64 (2011): pp. 35–40.
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DOI: https://doi.org/10.17814/mechanik.2018.12.204

Pobierz plik / download

Elżbieta Bączek: Technological properties of metallic-diamond tools manufactured by SPS process (Właściwości użytkowe narzędzi metaliczno-diamentowych wytworzonych metodą SPS) (PDF, ~1,6 MB)

Home Page Grudzień 2018 Technological properties of metallic-diamond tools manufactured by SPS process *

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