Studi pengaruh besar deformasi bolak - balik melalui proses canai hangat terhadap morfologi butir ferrite kekerasan dan ketahanan korosi baja karbon SS400 = Study the effect of reversible deformation in warm working upon ferrite grain morphology, hardness and its corrosion resistance in carbon steel SS400 (Fakultas Teknik Universitas Indonesia, 2010)