MICROSTRUCTURE OF VERMICULAR GRAPHITE IN CAST IRON
WANG Yanan;SONG Weixi Anshan Institute of Iron and Steel Technology University of Science and Technology Beijing Laboratory of Metallography;Anshan Institute of Iron and Steel Technology; Anshan; Liaoning 114002
Cite this article:
WANG Yanan;SONG Weixi Anshan Institute of Iron and Steel Technology University of Science and Technology Beijing Laboratory of Metallography;Anshan Institute of Iron and Steel Technology; Anshan; Liaoning 114002. MICROSTRUCTURE OF VERMICULAR GRAPHITE IN CAST IRON. Acta Metall Sin, 1990, 26(2): 149-151.
Abstract An observation under TEM was carried out of the hetero-particles and stripes in-side of the vermicular graphite in cast iron specimens which were prepared by isothermally quenchingin ice-salt-water. The hetro-particles and stripes, composed of almost pure Fe and a little Si,were found on the regions of the growth direction changing of the vermicular graphite. Manytwins and dislocations were also observed to contribute to changing the growth direction and toproviding the growth steps of the graphite respectively.