Continuing developments in liquid metal treatment technologies have made major contributions to the quality, performance and reliability of metal castings. Advances in melt conditioning, in magnesium treatments to produce Ductile and Compacted Graphite Irons, and in inoculation techniques have ensured that Cast Irons remain key and competitive engineering materials. The combined interactions and influences of liquid metal treatments and other factors such as alloy composition, trace elements, section size & design and cooling rate etc. are covered in standard texts [1-3]. The aim of this short review is to outline the development of inoculants and inoculation practices, and to also reflect on recent improvements in our understanding and practical control of graphite nucleation.
展开▼
