Recycling Of Waste Brass And Cast Iron Chips Through Metal Matrix Composite Material Production- Investigation Of Mechanical Properties
Journal Title: American journal of Engineering Research - Year 2018, Vol 7, Issue 5
Abstract
In this study, an alternative method to classical fusion process, which resembles the powder metallurgy process, was used in recycling of waste metal chips produced abundantly as a result of machining process. Firstly, ultrasonic cleaning process was carried out in order to grind andsift the waste metal chips and then remove thedirt and oxides from their surfaces.GGG-40 cast iron chips with three different rates(30%, 40% and 50%) by weight, were then reinforced into the brass matrix structure. Mixing process was applied for 15 minutes in order to distribute the components in the composite material structure homogeneously. The prepared matrix-reinforced particles were pressed under 730 MPa pressure at room temperature in a cylindrical mould and composite materials were produced after the sintering process at 942 ºC in atmosphere controlled furnace. Compression and hardness test measurements were conducted after the density-porosity measurements of the produced composite materials. For microstructural characterisation examinations of the composite materials, optical and scanning electron microscope (SEM) was used in experimental studies. Thus, the effect of reinforcement ratios on mechanical properties and microstructure of the composite material was investigated and the produced composite materials were compared with industrial brass CuZn31Si1 alloy.
Authors and Affiliations
hakan Burak Karadağ, İbrahim Aslan
Keywords
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