【摘要】 测量了几种Fe基、Pd基和Ni基及Cu₅₇Zr₄₃玻璃体的延脆转变温度T_B,讨论了合金化元素对脆化温度T_B的影响。同时,研究和测定了时间-温度-转变图（TTT图）与延脆转变之间的关系。由延脆转变的动力学研究,计算了Fe基和Ni基及Cu₅₇Zr₄₃玻璃体的延脆转变激活能ΔE_B,并且提出了ΔE_B与电子浓度（e/a）的关系。更多还原

【Abstract】 The ductile-brittle transition temperature, T_B, of certain Fe-, Pd-and Ni-base glasses as wel as Pd₈₀Si₂₀ and Cu₅₇Zr₄₃ has been determined. The influence of the transition metals and metalloid contained on T_B and the relationship between TT-T-diagram and the transition behaviour have also been investigated. On the basis of the kinetics of their transition, the evaluation of their own activation energies and the proposal of their electron concentration dependence are presented.更多还原