MONTREAL–(BUSINESS WIRE)–Rio Tinto and Comptech are partnering to bring a new generation of aluminium alloys to the market for use in advanced technologies such as electric vehicles and 5G antennas. Rio Tinto’s metallurgical experts have designed the alloys for the semi-solid Rheocasting process offered by Comptech, to meet the requirements of producing large, specialised single piece designs, known as giga-casting. The alloys offer high strength, electrical and thermal conductivity propertie