Effect of B4c Addition on the Properties of Sintered Fe-Cu-Ni-Sn-Wc Composite Applied in Cutting Tools for Ornamental Rocks: The Process of Obtaining Sample Density

The experiments conducted in this work aimed at studying and developing a Fe-Cu-Ni-Sn-WC-based alloy, with different additions of Boron Carbide. The production of this metallic matrix is intended for the manufacturing of beads, to be used in diamond wires for cutting ornamental rocks. Five compositions were used for the investigation: samples with 2% B4C, 4% B4C, 5% B4C, 8% B4C, and 10% B4C. Initially, rectangular geometry composites were obtained via hot pressing, and then sintered under the same temperature conditions (800°C) and pressure (34MPa). The obtained segments reached approximately 18.00 mm in length, with widths between 12.80 mm and 15.20 mm, and a height of 3.00 mm. The process of obtaining the density of the samples involved using the Archimedes' method, which consists of submerging the sample in a liquid of known density and measuring the amount of displaced liquid. The density of the sample is then calculated by the ratio of its mass to the volume of displaced liquid. This method is particularly useful for determining the density of irregular or porous solid materials, such as the mentioned composites.The conducted studies serve as a basis for the development of new research aimed at the production of diamond matrices for use in cutting tools.