SiO_2 ASHETEROGENEOUSNUCLEI OF INTERGROWTH EUTECTIC IN MODIFIED AS-CAST MEDIUM MANGANESE STEEL
变质铸态中锰钢中SiO2作为共生共晶体非自发核心的研究

By calculation of thermodynamics, analysis of crystal structure and study of TEM and eletron probe, it is first discovered that SiO_2 can be acted as one of the heterogeneous nuclei for lamellar intergrowth eutectic(austenite and cementite) crystallizing in modified as-cast medium manganese steel.