Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Production and Properties of FeCuSnNi Sinter as a Matrix of a Metal-Diamond Composite

Version 1 : Received: 5 July 2023 / Approved: 6 July 2023 / Online: 6 July 2023 (10:18:15 CEST)

How to cite: Borowiecka-Jamrozek, J.; Lachowski, J. Production and Properties of FeCuSnNi Sinter as a Matrix of a Metal-Diamond Composite. Preprints 2023, 2023070419. https://doi.org/10.20944/preprints202307.0419.v1 Borowiecka-Jamrozek, J.; Lachowski, J. Production and Properties of FeCuSnNi Sinter as a Matrix of a Metal-Diamond Composite. Preprints 2023, 2023070419. https://doi.org/10.20944/preprints202307.0419.v1

Abstract

The main purpose of the work was to determine the powder composition and properties of iron-based sinters used as a matrix in metallic diamond tools. The FeCuSnNi sinters obtained from a mixture of commercial powders were used for research. The material was subjected to milling in a ball mill and sinter have been performed with the hot-pressing technique in a graphite mold. The physical and mechanical properties of the sinters were tested. The investigations of obtained sinters concerned density, porosity, hardness, oxygen content, static tensile test and analysis of microstructure. The static tensile test was carried out with the use of a universal testing machine UTS-100. The study of the microstructure of sinters was performed using the JSM-7100F scanning electron microscope. The sinters are characterized by a high coefficient of thermal expansion and good mechanical properties. The FeCuSnNi sinter revealed a complex phase structure. Spot chemical analysis revealed the presence of Fe solution, Cu solution and the presence of iron oxides oxides. Nickel atoms were present throughout the sinter volume. The obtained results indicate that the presented material can be used as a matrix of a diamond-metal composite in diamond tools for the processing of natural stones and building materials.

Keywords

milling process; powder metallurgy; metallic matrix; diamond tools; mechanical properties; dylatometric test

Subject

Physical Sciences, Condensed Matter Physics

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