Production and quality results of the twin casting process at CST A.- D. Nascimento, D.-B. Moreira, M.-F. Matos, C.-A. Perim, A.-G. Silva, S.-S. Santos and R.-R. Cunha Rev. Met. Paris, 101 6 (2004) 479-483 Published online: 25 June 2004 DOI: 10.1051/metal:2004191