The softening fraction reduces as the time of the isothermal gap prolongs;and the higher the temperature of deformation and interval,the higher the softening fraction.

• 结果表明:在热压缩变形道次间保温停歇之后,流变应力明显降低,保温停歇时间越长,合金软化率减小;变形及停歇保持温度越高,合金软化程度越高。