先进材料疑固实验室 General considerations Laboratory of Advanced Materials Solidification Many important industrial alloys exhibit a peritectic transforamtion during solidfiication.The most important systems are steel(Fe-C), Bronze(Cu-Sn)and brass(Cu-Zn).Peritectic invariants are also found in Al-Ti,Al-Ni or high-Tc YBaCuO superconductors. 0+l→B Cper Cper Cper a liquid T品(C) a+l aY 6+ C C B liquid (a) (b) (c) 上游文通大学 SHANGHAI JIAO TONG UNIVERSITYGeneral considerations Many important industrial alloys exhibit a peritectic transforamtion during solidfiication. The most important systems are steel (Fe-C), Bronze (Cu-Sn) and brass (Cu-Zn). Peritectic invariants are also found in Al-Ti, Al-Ni or high-Tc YBaCuO superconductors. α+l→β