Abstract
The chemical interaction of boron suboxide (B6O) with compacted graphite cast iron (CGI) was investigated using static interaction diffusion couples between B6O and CGI at 700°C, 900°C and 1100°C for 1h. This interaction offers the possibility to evaluate the potential of B6O as a cutting tool. The microstructures and phase compositions of the interaction zones were investigated. At 700°C and 900°C the chemical interaction was minimal. However, at 1100°C, Fe2B and SiO2 were formed at the interface. Hence, machining at 1100°C is likely to result in chemical wear.
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