6th International Conference on Engineering Technologies (ICENTE 2022), Konya, Turkey, 17 - 20 November 2022, pp.439-443
In this study, 5% and 10% by weight of anhydrous
borax (AHB) was added to the iron (Fe) matrix material by
powder metallurgy method and the effects of the additive ratio on
the Vickers hardness (HV), Brinell hardness (HB) and Indentation
modulus (EIT) values of the composites (Fe/AHB) were
investigated. In the productions carried out using Taguchi
experimental design method, AHB additive ratio, and sintering
temperature parameters were selected as control parameters that
were thought to affect the physical and/or mechanical properties
of the Fe/AHB composite materials. The productions were carried
out according to the Taguchi L4 orthogonal array, which was
created depending on the control parameters and levels. Vickers
hardness and indentation modulus measurements of pure iron and
Fe/AHB composite materials were performed in accordance with
BS EN ISO 14577-1 standard and Brinell hardness measurement
was performed in accordance with TS EN ISO 6506-1 standard.
According to the signal-to-noise ratio (S/N) analysis performed
with the experimental data, it was determined that the 10% AHB
additive ratio and 950oC sintering temperature optimized all the
investigated properties of the Fe/AHB composite material. It was
determined that the values for Vickers hardness, Brinell hardness
and indentation modulus increased by 142.03%, 69.32% and
144.11%, respectively, in the levels where the properties of the
composite material were optimized compared to pure Fe material.
As a result of the qualitative examination of all samples after
storage in a comfortable environment without daylight, it was also
observed that the anhydrous borax additive delayed the corrosion
time of pure iron material.